Manufacturing License Agreements in addition to the performance of defense services and release of technical data authorize the manufacture abroad of U.S. origin defense articles and permit U.S. companies to provide assistance to the foreign party.

This method is capable of closely controlled setting ranges (0.002 to 0.004 in.) and is especially suited to high volume applications. Separate gages or interchangeable components are required for different bearing series. Also, an alternate method (typically Acro-Set) must be used for field servicing.

1. Place the assembly, except for upper cone (with cage and rollers) and gage, on a press table. (The press clamps the upper cone in place, though some gages accomplish this with a threaded nut arrangement.) Position the gage on the upper bearing cup taper and add the upper bearing cone.

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Manufacturers supply each preset bearing with an unmounted internal clearance or bench end play (BEP) that is chosen to provide the desired mounted setting for the application. The mounted bearing setting depends on this BEP plus the shaft and housing fits. Typically, assemblers tight-fit either the shaft or housing on the rotating bearing member, producing a mounted setting range of less than 0.008 in. To apply a preset assembly to a machine, simply mount and ensure proper clamping of the bearing components through the spacers.

1. Assemble the unit with a standard thickness shim, which ensures a bearing preload, Figure 6. The preload differs for each assembly depending on accumulated tolerance variations.

ITAR licensing is required for the export or temporary import of items or the performance of defense services related to the significant strategic items for defense and military intelligence requirements described in the ITAR USML. Any U.S. business that temporarily imports or temporarily or permanently exports defense articles (hardware, technical data or performs defense services associated with these items) will require an ITAR export license or an ITAR license exemption.

• End play — Axial clearance between bearing rollers and races, which allows axial shaft movement when axial (thrust) force is applied. • Preload — Axial interference between rollers and races so there is no axial shaft movement.

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Download this article in .PDF format This file type includes high resolution graphics and schematics when applicable.Bearing settingThe term “setting” indicates a specific amount of end play (axial clearance) or preload in a bearing. Unlike other rollingelement bearings, tapered bearings don’t require close control of shaft or housing fits to obtain an accurate setting. Because they are mounted in pairs, Figure 1, their setting depends mostly on the location of one bearing row relative to the other on the shaft.Bearings can be set to achieve one of two conditions:• End play — Axial clearance between bearing rollers and races, which allows axial shaft movement when axial (thrust) force is applied. • Preload — Axial interference between rollers and races so there is no axial shaft movement.Generally, a setting ranging from near zero to slight preload maximizes bearing life. Some applications use moderate preload to increase rigidity of highly stressed parts that would otherwise be adversely affected by excessive deflection and misalignment. Excessive preload, though, can drastically reduce bearing fatigue life or cause high temperatures that can quickly lead to bearing damage.Manual settingProduction-line assembly workers often set bearings manually for equipment that is manufactured in low-tomoderate volume, and where a non-exact and wider-than - normal range of end play is acceptable. No special tools, gages, charts, or fixtures are typically required. In a truck nondriven wheel, for example, manual setting consists of tightening an adjusting nut on the end of the shaft while rotating the wheel until a slight bind is felt. Then the assembler backs off the nut 1/6 to 1/4 turn to the nearest locking hole or enough to let the wheel rotate freely. The adjusting nut is then locked in position.Setting accuracy depends on the assembler’s skill in determining when the wheel binds slightly. For large, complex machines, or high-production applications, manual setting may be too troublesome, time-consuming, or inappropriate. In such cases, preset bearing assemblies and automated setting techniques offer better alternatives.Preset bearing assembliesMany machines require closely positioned bearing arrangements. To facilitate bearing setting in such cases, machine manufacturers often use preset, or spacer, bearings. Though various types are available, most of them use customfitted spacer rings between bearing rows to control internal clearances, Figure 2. These matched spacers can’t be interchanged with other bearing assemblies.Manufacturers supply each preset bearing with an unmounted internal clearance or bench end play (BEP) that is chosen to provide the desired mounted setting for the application. The mounted bearing setting depends on this BEP plus the shaft and housing fits. Typically, assemblers tight-fit either the shaft or housing on the rotating bearing member, producing a mounted setting range of less than 0.008 in. To apply a preset assembly to a machine, simply mount and ensure proper clamping of the bearing components through the spacers.Preset bearings are typically applied in planet pinions, transmission idler gears, sheaves, conveyer idlers, and large gearboxes, plus fan hub, water pump, and idler pulley shafts.Automated setting techniquesBearing manufacturers have developed various automated bearing setting methods. For example, our company offers five methods: Set-Right, Acro-Set, Projecta-Set, Torque-Set, and Clamp-Set. These methods offer reduced set-up time and assembly cost, plus consistent and reliable settings. In most cases, they can be used in both production and field service environments.Set-Right. This method evaluates the effect of accumulated tolerances on bearing setting. The laws of probability indicate that the combination of all low and high tolerances in an assembly will rarely occur. Therefore, for a normal distribution of parts, the dimensional stack-up of parts tends to be near the middle of the total possible tolerance range.Generally, this method requires close control of some mounting tolerances, as well as bearing tolerances. The objective is to control only the most critical tolerances affecting bearing setting, whether in the bearing or mounting components, Figure 1, so the setting is within the desired probability range for 99.73% (6 3 sigma) of all assemblies. No adjustment steps are required. The worker simply assembles and clamps the machine components.This method requires that the tolerances and probable distribution of bearing mounting dimensions be consistently maintained on all units. Also, the correct bearing tolerances (specified by ABMA class and Timken code) must be applied for both production and field replacement.If the setting range is too large for the application, consider the following variation.Spin-Right variation of Set-Right. Assemblers apply this method to further reduce the bearing setting range. First, divide the normal bearing setting range by a factor of 2 or 3, depending on which is necessary to obtain an acceptable setting range for the application. For example, assume the normal bearing setting range is 0.018 in. and the application requires 0.000 to 0.009-in. end play. The assembler divides the normal range by a factor of 2, obtaining a 0.009 in. shim size for use between end plate and shaft, Figure 1. The following steps are applied:1. Assemble the unit without a shim or seals and spin the shaft to determine if the bearings have end play or preload, Figure 3. If the shaft spins freely, end play is present, and the bearings are properly set.2. If the shaft doesn’t spin freely, the bearings are preloaded and a 0.009-in. shim must be installed. A second spin check should produce free rotation.If preload is desired, apply the procedure in reverse. If the shaft rotates freely, the bearings are not properly set and a 0.009-in. shim needs to be removed.Typical applications include tractor power take-off assemblies, farm equipment wheels, geared speed reducers, planet pinions, and construction vehicle sprockets and torque hub units.Acro-Set. This widely applied technique assumes that with reasonably uniform parts, the total deflection of any assembly will be consistent for a given applied load.Technicians first establish the deflection characteristics for test units by measuring the gap between end plate and shaft end for different set-up loads, Figure 4. This establishes a constant amount of deflection for a given load. Adding this deflection constant to the desired bearing setting gives a total constant. On the production line, adding the measured gap to the total constant gives the required shim thickness for each unit. Assemblers generally select the shim thickness from a chart that is based on gap measurements taken at two positions 180 deg apart, Table 2.To apply this method:1. Apply the set-up load, P (based on the tests) through two cap screws, 180 deg apart, Figure 4.2. Rotate the bearings while applying the load, and measure the gap.3. Select the shim thickness from the chart (Table 2).4. Install the shim between end plate and shaft end, then tighten all cap screws.This method is commonly used for large, heavy assemblies. Applications include transmissions, axle assemblies, planetary pinions, differential shafts, geared speed reducers, and off-highway truck wheels.Projecta-Set. Though similar to Acro-Set, this method adds a gaging fixture that lets the assembler project an inaccessible gap (or reference surface) to a position where it can be measured. Built-in dial indicators or LVDTs usually display the gap readings, Figure 5. Here, the assembler sets the pinion bearings by inserting a spacer between the two cone front faces.The required steps are:1. Place the assembly, except for upper cone (with cage and rollers) and gage, on a press table. (The press clamps the upper cone in place, though some gages accomplish this with a threaded nut arrangement.) Position the gage on the upper bearing cup taper and add the upper bearing cone.2. Apply a press load to clamp the gage through the two bearing cones. A Belleville spring in the gage applies an axial load to the bearings. 3. Oscillate the gage to seat the bearing rollers. The LVDTs measure axial displacement between the two gaging members and a digital readout displays the required cone spacer size.4. Apply the required spacer between the two cones.This method is capable of closely controlled setting ranges (0.002 to 0.004 in.) and is especially suited to high volume applications. Separate gages or interchangeable components are required for different bearing series. Also, an alternate method (typically Acro-Set) must be used for field servicing.Torque-Set. This method is based on the principle that rolling torque required to rotate a bearing is proportional to its preload. A technician establishes this relationship by testing several units under load, then prepares a chart showing what size shim to use for a given torque. In production, the assembler measures initial bearing rolling torque (preferably with a torque wrench) and selects the shim size from the chart to obtain the desired bearing setting.The steps required are:1. Assemble the unit with a standard thickness shim, which ensures a bearing preload, Figure 6. The preload differs for each assembly depending on accumulated tolerance variations.2. Measure the bearing rolling torque.3. Select the shim thickness for this torque value from the chart (based on testing).4. Install the shim and tighten the cap screws.This method is not recommended for use with an unbalanced load (due to clutch plates or caliper brakes) that would cause the torque to vary, or for field servicing with used (run-in) bearings.It has been used for many years on industrial and automotive applications including pinion and differential shafts and gearboxes.Clamp-Set. Limited to lightly loaded applications with minimal vibration and shock, this method uses a spacer ring that deforms under load to accommodate axial tolerances in a machine assembly. The bearing component (cup or cone) adjacent to this compensating ring must be loose fitted. Assembling the bearing, Figure 7, compresses the ring and closes the gap between cup carrier and housing. Removing the load lets the system (ring, bearing, and housing) recover by a known amount. Technicians determine the amount of recovery in a few test units by measuring the gap after load is removed. Adding this gap to the required bearing setting gives a shim thickness that will be applied to all assemblies.Setting procedure:1. Assemble the unit with compensating ring.2. Apply a clamp load to the cup carrier (while rotating the shaft).3. Release the load, producing a gap between carrier and housing.4. Install a shim of predetermined thickness (based on testing previously described) between carrier and housing to obtain the desired bearing setting.Typical applications are geared speed reducers, conveyers, pumps, air compressors, and small farm tractor transmissions.

Set-Right. This method evaluates the effect of accumulated tolerances on bearing setting. The laws of probability indicate that the combination of all low and high tolerances in an assembly will rarely occur. Therefore, for a normal distribution of parts, the dimensional stack-up of parts tends to be near the middle of the total possible tolerance range.

Businesses that manufacture, sell, or export these defense-related items are required to register with the State Department’s Directorate of Trade Controls (DDTC). The registration requirement exists for manufacturers of defense articles, even if the company doesn’t export. In addition to registration requirements, the U.S. company must know and abide by the ITAR as it relates to their specific USML items, technical data or defense services. Businesses must understand exactly what is required of them to be compliant with the ITAR and during the registration process they confirm they have a written compliance program. Once an ITAR registration is submitted, processing time is generally 2 – 4 weeks.

This method is not recommended for use with an unbalanced load (due to clutch plates or caliper brakes) that would cause the torque to vary, or for field servicing with used (run-in) bearings.

Torque-Set. This method is based on the principle that rolling torque required to rotate a bearing is proportional to its preload. A technician establishes this relationship by testing several units under load, then prepares a chart showing what size shim to use for a given torque. In production, the assembler measures initial bearing rolling torque (preferably with a torque wrench) and selects the shim size from the chart to obtain the desired bearing setting.

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The DSP 61 license is used for the temporary import of defense articles into the United States. The license is not limited to U.S. ITAR goods but to any items described on the USML. U.S. goods that were sold to a foreign owner that are being returned to the United States for an upgrade, enhancement or improvement would require this license. Foreign manufactured defense articles for temporary import into the U.S. for trade shows and demonstrations would also require the DSP 61 license type, as well as transactions involving items described on the USML coming to the U.S. for processing or simply transiting the U.S.

Any foreign business in possession of such hardware or technical data or trained in the performance of services for U.S. origin ITAR equipment will require Retransfer/Reexport ITAR licensing before making a transfer to a party not previously included in the ITAR license for the U.S. exporter.

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Applying for and acquiring ITAR licenses from the U.S. Government can be complicated and overwhelming for many businesses, but FD Associates is here to help! We have a team of dedicated consultants and lawyers who support our clients with ITAR licensing. We are experienced and qualified to assist your business in applying for any or all of the ITAR export licenses and agreements and Retransfer/Reexport requests issued by the U.S. Department of State Directorate of Defense Trade Controls (DDTC).

Brokering under the ITAR is not the same as exporting and does not involve the export of technical data or the export of defense articles. It is any action your company may take on behalf of another company that facilitates the manufacture, transfer, export, import of U.S. or foreign origin defense articles described on the USML.

Projecta-Set. Though similar to Acro-Set, this method adds a gaging fixture that lets the assembler project an inaccessible gap (or reference surface) to a position where it can be measured. Built-in dial indicators or LVDTs usually display the gap readings, Figure 5. Here, the assembler sets the pinion bearings by inserting a spacer between the two cone front faces.

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Generally, this method requires close control of some mounting tolerances, as well as bearing tolerances. The objective is to control only the most critical tolerances affecting bearing setting, whether in the bearing or mounting components, Figure 1, so the setting is within the desired probability range for 99.73% (6 3 sigma) of all assemblies. No adjustment steps are required. The worker simply assembles and clamps the machine components.

If your company is the importer of record, your business must be registered with the DDTC to file the license application request. The DSP 61 licensing process typically takes 45-60 days once the application is submitted.

It has been used for many years on industrial and automotive applications including pinion and differential shafts and gearboxes.

The term “setting” indicates a specific amount of end play (axial clearance) or preload in a bearing. Unlike other rollingelement bearings, tapered bearings don’t require close control of shaft or housing fits to obtain an accurate setting. Because they are mounted in pairs, Figure 1, their setting depends mostly on the location of one bearing row relative to the other on the shaft.

. Oscillate the gage to seat the bearing rollers. The LVDTs measure axial displacement between the two gaging members and a digital readout displays the required cone spacer size.

There are 4 different types of ITAR license forms. The license type used depends on what the transaction. The following are license types for items on the USML:

This method requires that the tolerances and probable distribution of bearing mounting dimensions be consistently maintained on all units. Also, the correct bearing tolerances (specified by ABMA class and Timken code) must be applied for both production and field replacement.

2. If the shaft doesn’t spin freely, the bearings are preloaded and a 0.009-in. shim must be installed. A second spin check should produce free rotation.

ITAR Compliant or ITAR Certified is not exactly what you might think. There is no governing body that issues ITAR Certifications. A company that is ITAR Compliant will be registered with DOS, if it is required to, have ITAR export licenses for ITAR export transactions, have a written compliance program that address how ITAR controlled technical data is storage, managed and tagged at the company, describe what constitutes exports, who is responsible, and the licensing and compliance procedures the company has, and address foreign person visits to the company and foreign travel by company employees, among other things.

The DSP 73 license is used for the temporary export of unclassified defense articles. This license can be used for demonstrations of defense articles, material processing of defense articles, form/fit evaluation of defense articles, repairs of defense articles and display at public trade shows. Generally the application is limited to one geographic region of the world and the parties listed on the license are located in that region.

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If your company is doing business internationally, you cannot afford to be without the proper ITAR licensing for your products and services. Understanding the regulations and timing for obtaining the correct authorizations can protect your business against mistakes that will delay delivery to your customer. Failure to secure licenses when needed put your business in jeopardy and exposes the company to significant penalties.

Applying for and acquiring ITAR registration from the DDTC and developing compliance plans and programs can be complicated and overwhelming for many businesses but FD Associates is here to help! We have a team of dedicated consultants and lawyers who support our clients with ITAR registration and development of compliance programs. With over 100 combined years of experience we can quickly assist your business with navigating the DDTC DECCS portal and writing a compliance plan that fits your company.

Contact the experienced, professional team at FD Associates or call us at 703-847-5801. We will happily work with you, the Trade Compliance Professional; or the Business Development Team, Program Manager and even your Supply Chain representative to ensure the proper authorizations are in place when you’re doing international business.

Tapered roller bearings can be set to any desired axial or radial clearance when installed in equipment being manufactured on the production line. This feature lets a designer control bearing clearance to meet operating conditions, and thereby optimize bearing and machine performance. Tapered bearings can be set by a variety of methods, either manual or automatic. You can also get them as preset assemblies. Here, we describe each method to help you select the most practical approach for your equipment. Table 1 summarizes the capabilities and limitations of each method as well as the skill level and tools required.

Businesses in a wide range of industries may be subject to the ITAR. It boils down to what the company is manufacturing, distributing, or selling or providing and whether its described on the ITAR USML as defense articles or defense services. It’s important to note, however, that most of these businesses are within Government and Defense, Aerospace and Aviation, and Telecommunications or Technology. If the items or services they deal with are listed on the USML, businesses that are required to be ITAR compliant include manufacturers, distributors, resellers and service providers. This list of companies can include freight forwarders handling the export of ITAR controlled items.

Generally, a setting ranging from near zero to slight preload maximizes bearing life. Some applications use moderate preload to increase rigidity of highly stressed parts that would otherwise be adversely affected by excessive deflection and misalignment. Excessive preload, though, can drastically reduce bearing fatigue life or cause high temperatures that can quickly lead to bearing damage.

This can be accomplished simply by having a wye in the bearing's grease fitting with two hoses extending from the wye to a safe regreasing location. With one ...

Technical Assistance Agreements and Manufacturing License Agreements are used to authorize the performance of defense services related to defense articles (U.S. or foreign origin) described on the USML and the release of technical data associated with the activities. Defense services are any assistance by U.S. persons to a foreign person in any of the engineering concepts associated with the design to demise of defense articles.

This method is commonly used for large, heavy assemblies. Applications include transmissions, axle assemblies, planetary pinions, differential shafts, geared speed reducers, and off-highway truck wheels.

Many machines require closely positioned bearing arrangements. To facilitate bearing setting in such cases, machine manufacturers often use preset, or spacer, bearings. Though various types are available, most of them use customfitted spacer rings between bearing rows to control internal clearances, Figure 2. These matched spacers can’t be interchanged with other bearing assemblies.

Typical applications are geared speed reducers, conveyers, pumps, air compressors, and small farm tractor transmissions.

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1. Assemble the unit without a shim or seals and spin the shaft to determine if the bearings have end play or preload, Figure 3. If the shaft spins freely, end play is present, and the bearings are properly set.

Foreign parties in possession of ITAR regulated defense articles or technical data or have been trained to perform services on U.S. platforms are required to seek ITAR approval before retransferring, reexporting either temporarily or permanently any item or technical data or to perform a defense service for a party not listed in the original ITAR authorization. Generally such requests can be filed by either the U.S. or foreign party and once submitted are processed within 60 – 90 days.

These agreements are more complicated technical filings and require the development of both a DSP-5 license plus an ITAR 124.12 transmittal letter and a proposed agreement document detailing the elements of ITAR 124.7/124.8/124.9. Once submitted, these licenses are processed in 60 – 120 days.

Call our ITAR and EAR Consultants and Lawyers for a FREE consultation for a free 15 minute consultation at 703-847-5801.

Typical applications include tractor power take-off assemblies, farm equipment wheels, geared speed reducers, planet pinions, and construction vehicle sprockets and torque hub units.

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In limited circumstances, the DSP-5 is used for the performance of limited unclassified defense services on an exception basis.

If preload is desired, apply the procedure in reverse. If the shaft rotates freely, the bearings are not properly set and a 0.009-in. shim needs to be removed.

ITAR is the acronym for the International Traffic in Arms Regulations. This U.S. regulation governs the export of defense related technology transfers, defense services, and the permanent and temporary export and temporary import of defense articles described on the U.S. Munitions List (USML). U.S. companies that deal in defense related products and services listed in the USML are subject to extensive licensing requirements under the ITAR.

Setting accuracy depends on the assembler’s skill in determining when the wheel binds slightly. For large, complex machines, or high-production applications, manual setting may be too troublesome, time-consuming, or inappropriate. In such cases, preset bearing assemblies and automated setting techniques offer better alternatives.

Jul 7, 2023 — Steps to Replacing Your Car's Wheel Bearings · Step 1: Prepare Your Vehicle · Step 2: Remove the Wheel · Step 3: Access the Wheel Bearings · Step 4: ...

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Mar 17, 2021 — Computer Aided Manufacturing (CAM) is the use of software and computer-controlled machinery to automate a manufacturing process.

Acro-Set. This widely applied technique assumes that with reasonably uniform parts, the total deflection of any assembly will be consistent for a given applied load.

Production-line assembly workers often set bearings manually for equipment that is manufactured in low-tomoderate volume, and where a non-exact and wider-than - normal range of end play is acceptable. No special tools, gages, charts, or fixtures are typically required. In a truck nondriven wheel, for example, manual setting consists of tightening an adjusting nut on the end of the shaft while rotating the wheel until a slight bind is felt. Then the assembler backs off the nut 1/6 to 1/4 turn to the nearest locking hole or enough to let the wheel rotate freely. The adjusting nut is then locked in position.

Any business found to be non-compliant with the ITAR may face not only civil penalties, but criminal ones as well for intentional willful acts. Civil penalties can be assessed at over a millions dollars per violation, and each transaction in violation may consist of numerous violations. In addition to civil and criminal penalties, the business may face statutory debarment. Debarment results in the loss of ITAR export privileges and the company could lose all government contracts and have a permanent “blackball” on their record. This also impacts business with domestic partners as contracting rules will prevent other contractors from using a debarred company. The penalties in total could spell the end of any business, regardless of size.

Clamp-Set. Limited to lightly loaded applications with minimal vibration and shock, this method uses a spacer ring that deforms under load to accommodate axial tolerances in a machine assembly. The bearing component (cup or cone) adjacent to this compensating ring must be loose fitted. Assembling the bearing, Figure 7, compresses the ring and closes the gap between cup carrier and housing. Removing the load lets the system (ring, bearing, and housing) recover by a known amount. Technicians determine the amount of recovery in a few test units by measuring the gap after load is removed. Adding this gap to the required bearing setting gives a shim thickness that will be applied to all assemblies.

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To submit a DSP5 application, your business must be registered with the DDTC and a company executive authorized to sign ITAR licenses (ITAR Empowered Official) must sign the application. Once submitted, it may take a minimum of 2 months to process with one of three outcomes regarding the license application: Approval, Denial, or Return Without Action (RWA).

ITAR compliance is complex and often misunderstood by some businesses, but the ramifications of violating (intentionally or unintentionally) the ITAR rules can be severe. The U.S. Government invests a significant amount of resources to monitor export control laws, and they partner with other U.S. Government agencies to keep an eye on exporters to ensure they’re following the rules.

4. Install a shim of predetermined thickness (based on testing previously described) between carrier and housing to obtain the desired bearing setting.

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The DSP-5 Export License covers the permanent export of unclassified items that will not be returning to the United States. These include unclassified defense articles (hardware and technical data) described in the USML. The DSP-5 ITAR license may also be used for the export for unclassified technical data for marketing activities, sale of software, offshore procurement of hardware items or for the for employment of a foreign national at your company.

2. Apply a press load to clamp the gage through the two bearing cones. A Belleville spring in the gage applies an axial load to the bearings. 3

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The underpinnings of the ITAR is the Arms Export Control Act of 1976. Section 38 of the Arms Export Control Act (AECA) (22 U.S.C. 2778) gives the President the authority to regulate the manufacture, sale, and distribution of defense, space and military intelligence articles, technical data and defense services. Compliance can be challenging to even the seasoned export professional. The ITAR regulations are regularly updated based on world events and the governments continual review of advancing and emerging technology to identify what should be regulated on the USML. Your company needs to have the proper ITAR licenses to support its international business activities. Failure to comply can expose your company to serious civil and/or criminal repercussions.

Marketing/demonstration licensed activities typically include a DSP-5 license as well if the marketing information will exceed public domain information.

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Preset bearings are typically applied in planet pinions, transmission idler gears, sheaves, conveyer idlers, and large gearboxes, plus fan hub, water pump, and idler pulley shafts.

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The DSP 85 export license is used for the permanent export, temporary export, or temporary import of classified defense articles and related classified technical data. It is a one size fits all license for classified activities. Once submitted, the DSP 85 license will take between 60-120 days for the government to adjudicate.

Technicians first establish the deflection characteristics for test units by measuring the gap between end plate and shaft end for different set-up loads, Figure 4. This establishes a constant amount of deflection for a given load. Adding this deflection constant to the desired bearing setting gives a total constant. On the production line, adding the measured gap to the total constant gives the required shim thickness for each unit. Assemblers generally select the shim thickness from a chart that is based on gap measurements taken at two positions 180 deg apart, Table 2.

Bearing manufacturers have developed various automated bearing setting methods. For example, our company offers five methods: Set-Right, Acro-Set, Projecta-Set, Torque-Set, and Clamp-Set. These methods offer reduced set-up time and assembly cost, plus consistent and reliable settings. In most cases, they can be used in both production and field service environments.

Spin-Right variation of Set-Right. Assemblers apply this method to further reduce the bearing setting range. First, divide the normal bearing setting range by a factor of 2 or 3, depending on which is necessary to obtain an acceptable setting range for the application. For example, assume the normal bearing setting range is 0.018 in. and the application requires 0.000 to 0.009-in. end play. The assembler divides the normal range by a factor of 2, obtaining a 0.009 in. shim size for use between end plate and shaft, Figure 1. The following steps are applied: