Aubearing is a manufacturer specializing in manufacturing a full range of Pillow Block Bearings as well as non-standard customized bearings and bearing seats: Based on years of manufacturing experience, we have summarized the size table of the full range of pillow block bearings to provide you with a reference for purchasing suitable bearings. If you have any questions, please contact an Aubearing expert today.

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UCF series Pillow Block Bearing, is a variation of deep groove ball bearings. The outer diameter surface of the outer ring is a spherical surface, which can be fitted into the corresponding concave spherical surface of the bearing seat to achieve alignment. The outer spherical bearing is mainly used to bear the combined radial and axial load, which is mainly radial load. It is not suitable to bear the axial load alone.

Agriculture: used in agricultural machinery such as tractors and harvesters.Mining and Construction: Heavy machinery and construction equipment employed in mining operations.Food Processing: Suitable for food grade applications, providing hygiene and durability.Manufacturing: Used in conveyor systems, assembly lines and automated machinery.

11. The finished bearings are strictly tested for three items: rotation accuracy, bearing radial clearance, and bearing vibration and noise level. The vibration and noise level of the bearing has stably reached the V2 level requirements.

Pillow block bearing is a bearing used in low torque, light load applications. It consists of a mounting bracket or pillow block that houses the bearings. The spherical rolling elements in pillow block bearings have a smaller contact surface with the bearing raceway, which reduces friction. Low friction allows pillow block bearings to operate at higher speeds, but with lower load capacities than roller bearings. Bearing housings are available in a variety of configurations and are mounted on a surface parallel to the shaft to which the bearing is mounted. The bolt holes are usually slotted to allow for adjustment during installation. Pillow block bearing allows the shaft to rotate smoothly while the base supports the load. If you buy Pillow block bearings, you most likely already have some information about them. For those who are not familiar with pillow block bearing, we will use this article to introduce the basics of pillow block bearing.

The type of fit required varies on a number of factors such as load, operating temperature, bearing type, and shaft or housing material. A good rule of thumb for most applications is to use a press fit on the rotating component.

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Due to its excellent structural characteristics, pillow block bearing is widely used in various mechanical equipment, such as metallurgical equipment, mining equipment, water pumps, fans, machine tools and other fields. At the same time, pillow block bearing can also withstand certain radial and axial loads, so it is also commonly used in automobiles, motors and other industries.

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8. The grinding processing equipment of the bearing rings uses high-precision special CNC grinders to ensure the accuracy of each surface of the bearing rings, so that the bearings have low friction resistance and high rotation accuracy when rotating.

Determining proper shaft and housing fits is critical to ensure long bearing life. The fit, or amount of interference that exists between mating components (such as the shaft and bearing bore), can be devised into three categories: loose (slip), transition, and press (tight). For more information on recommended shaft and housing fits, please download this catalog excerpt.

10. The bearings are assembled using a variety of automated equipment such as fully automatic ultrasonic cleaning, automatic bearing assembly, automatic grease injection, and automatic capping;

5. The raw materials of the bearing rings are produced from high-quality bearing steel from Xingcheng Steel Plant and Daye Special Steel. In particular, the inner and outer rings of medium and large-sized bearings are made of forging blanks, which are then turned by precision CNC lathe turning lines;

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6. Then the bearing rings will be sent to the protective atmosphere heat treatment production line for quenching heat treatment and tempering treatment. Especially large-size bearing rings adopt advanced salt bath quenching process, which greatly ensures the inherent quality of the bearing rings and makes the bearings durable. Longer service life and higher reliability;

Aubearing has introduced 5 fully automatic casting production lines with Japanese technology, with an annual output of 12,000 tons of gray and ductile castings; it has advanced special equipment for machining of bearing seats, fully automatic electrostatic spraying equipment for bearing seats, and continuous cleaning, dehydration and rust prevention of bearing seats. production line, with an annual output of 8 million bearing seats; it has industry-leading bearing ring grinding and processing production lines and bearing cleaning and assembly production lines, with an annual output of 8 million sets of bearings.

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For the 3D drawing, we prefer to STEP, IGS or X_T format. The maximum supported file size is 10MB, For larger or multiple files please place into one folder and compress into a ZIP or RAR file and sent to info@aubearing.com

The UCPH series is a combination of PH bearing housing and Pillow Block Bearing. UCPH bearing seats are much taller than other types of bearing seats and are mainly used in special installation environments. The bearing seat is mainly made of cast iron, and stainless steel and plastic materials are used less than cast iron.

The design of the UCPA series pillow block bearing also has a certain degree of alignment, is easy to install, and has a dual-structure sealing device that can work in harsh environments. UCPA bearing seats are generally cast. Other common pillow block bearing types include UCP, UCF, UCFS, UCFC, UCFL, UCT, etc.

9. The important surfaces of the inner and outer rings of the bearing must be tested for roundness using a high-precision roundness meter. In addition, it is equipped with a precise profile and roughness inspection instrument for precise detection of the shape and roughness of the grinding surface;

1. The bearing seat is cast using a medium-frequency electric furnace for smelting. It is equipped with raw material element analysis instruments, metallographic microscopes and molten iron element detection analyzers in front of the furnace. It can accurately detect the chemical composition of the smelted molten iron, thus ensuring the mechanical properties of the castings;

Aubearing is China’s leading UCFB mounted bearing manufacturer, supplier and factory. UCFB housed bearings are designed to provide reliable, efficient performance in a variety of industrial applications. UCFB housing bearings are made of high-quality materials and feature a sturdy base design to provide better support and stability for heavy loads. With superior sealing and lubrication systems, they provide long-lasting durability and high performance even in harsh operating environments. UCFB housed bearings are available in different sizes and configurations, making them suitable for a wide range of applications in various industries, including agriculture, mining, construction and . At Aubearing, we are committed to providing our customers with high quality UCFB housed bearings to meet their specific needs and requirements. Please contact us today to learn about our products and services.

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3. The bearing seat is machined using a variety of special machine tools to ensure the accuracy of the bearing seat. In addition, the company also makes and renovates existing machine tools internally, which greatly improves processing accuracy and production efficiency;

Bearing fitcalculator

The UCFC200 series is a bearing assembly composed of a bearing and a bearing seat with a circular seat and a boss on the mounting surface. It has advanced concepts in design and manufacturing and has accumulated rich experience. The bottom surface of this series of seats has a circular The boss can be placed in the round hole of the frame, with high installation precision and accurate positioning. Main uses: wheat harvester, corn harvester, etc.

Bearing fit tolerancechart

The UCFL series 2-bolt flange bearing unit is a design of a housed ball bearing unit, which consists of a UCFL housing and UC, NA, UE, UK, SB type Pillow Block Bearing, set screws and eccentric locking devices. FL bearing housing materials are available in cast iron, cast steel, plastic and stainless steel designs, and each housing and spherical bearing are interchangeable. UCFL standard type, widened inner ring bearing, set screw locking, cast gray iron bearing seat.

Pillow block bearing plays a key role in mechanical equipment. It not only supports the power system and main parts of the equipment, but also helps the equipment operate smoothly and reduce equipment damage. Therefore, choosing the appropriate pillow block bearing is one of the important factors to ensure the efficient and stable operation of the equipment. It is also a key factor to ensure the life and reliability of the equipment.

7. After heat treatment, the ferrules must be sent to the material metallographic testing laboratory for strict metallographic and hardness testing;

Bearingfits to shafts and housings PDF

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The outer spherical bearing UCT with slider seat is a bearing assembly composed of a bearing and a bearing seat with guide grooves. Bearing seat T can be assembled with UK, UEL and other components. There are two chutes on the upper and lower sides of the bearing seat, which can move back and forth on the frame. Therefore, it is most suitable for occasions where the distance between shafts needs to be adjusted. The shafts can also move while the machine is running. The UCT300 series bears a greater load than the UCT200 series. This type of seated spherical ball bearings are mostly used on drive shafts such as belts and chains.

Bearing press fit tolerancepdf

If you are looking for high quality mounted bearings, look no further than UCFB. These bearings are known for their durability and reliability, making them a popular choice for a variety of industrial and commercial applications. UCFB housed bearings are designed to support heavy loads and provide stable, consistent performance over time. They are constructed from high-quality materials, including precision-machined steel and advanced polymers, ensuring they can withstand the harshest conditions. One of the main advantages of UCFB mounted bearings is their ease of installation and maintenance. They are designed to fit seamlessly into a variety of applications and require little ongoing maintenance or lubrication. Whether you are in manufacturing, construction, mining or any other industry that requires durable and reliable bearings, UCFB pillow block bearings are an excellent choice. With high-quality materials, advanced designs, and long-lasting performance, they’re sure to give you the support you need for years to come.

A slight press fit will generally help prevent creep, but an excessive press fit will eliminate the bearing internal clearance and cause a rise in operating temperature that can lead to early failure. Press fits will naturally make installation of the bearing more difficult and susceptible to damage, but with proper care, most problems can be avoided.

Aubearing has passed ISO9001 and 16949 quality certification systems. In 2022, Aubearing has customers in 30+ countries and regions around the world, achieving a revenue of US$30 million.

Bearing press fit tolerancechart pdf

Metricbearing press fit tolerance

The UCP series of seated outer spherical bearings is a representative form of seated outer spherical bearing components. Among them, the bearing seat P refers to the flat bottom solid. This series has two types: UCP200 and UCP300. The UCP300 series carries a larger load than the UCP200 series. Because there are reinforcement ribs at the root of the bearing seat installation part, it is a high-strength structure for loads in all directions. In addition, the bearing seat P can also be used with UK, UEL, NA series bearing assemblies, and UK assemblies with tapered bores (UKP). The nominal model number of the applicable adapter sleeve is appended to the component engineering model. Main uses of UCP series Pillow Block Bearing: transmission devices, fitness equipment, harvesters, etc.

Bearing seat FL can be combined with UC to form two series, UCFL200 and UCFL300. Similarly, it can also be used with UK, UEL (NA), UB, SB and other components. The UCFL series combination has a lightweight structure and is easy to install. It is suitable for installation in small transmission parts. Like the UCF series, it is suitable for installation on vertical surfaces such as the side of machinery. over, due to the center distance of the two mounting bolt holes of the diamond bearing seat The center distance of the two diagonally located bolt holes of the square bearing seat is the same, so they are interchangeable with each other. The SBLF200 series of seated outer spherical bearings are diamond-shaped bearings designed for the purpose of lightweighting. This series has a total of 7 models from SBLF201 to SBLF207. Bearing seat LF can also be assembled with UB (SB) and UE (SA). This type of product is mainly used in packaging machinery, fruit sorting machines and other equipment.

The maximum supported file size is 10MB, For larger or multiple files please place into one folder and compress into a ZIP or RAR file and sent to info@aubearing.com

Housing bearings must comply with industry standards and regulations to ensure quality and safety. Some widely recognized standards include those developed by the American National Standards Institute (ANSI) and the International Organization for Standardization (ISO).

Aubearing attaches great importance to investing in advanced manufacturing equipment and high-precision testing instruments:

Bearing press fit tolerancecalculator

Shaft Diameter – The diameter must match the appropriate bore diameter of the bearing unit. Properly sized pillow block bearings slide easily onto the shaft and into position, ready to be secured with a locking device.Shaft Height – Shaft height or backing height is determined by measuring the distance from the base of the pillow block bearing to the center of the shaft.Shaft Size – The maximum diameter of the shaft or the diameter of the bore into which the bearing is mounted.Maximum Speed – The maximum shaft speed a bearing is designed to allow for operation.Maximum Load – The dynamic load capacity of a bearing capable of carrying both radial and thrust loads, or the maximum allowable radial load of a bearing capable of carrying radial loads only. The load rating varies with shaft speed. Consult the manufacturer for load ratings at various shaft speeds.

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Bearing press fit tolerancechart

That is, a shaft or inner ring rotating application like an electric motor will use a press fit on the shaft and a loose fit on the housing. A housing or outer ring rotating application like a wheel hub will employ the reverse: a loose fit on the shaft and a press fit on the housing. This will greatly reduce the chances of creep or a loosened fit during operation.

UCT Pillow Block Bearing, wider inner ring bearing, set screw locking, cast gray iron housing. Cast ductile iron bearing housings are available on request. The UCT series tensioning ball bearing unit is a Pillow Block Bearing unit, which consists of a T-shaped bearing seat and Pillow Block Bearing. The bearing seat is available in cast iron, ductile iron, plastic and stainless steel material designs. UCT series Pillow Block Bearing can be designed in chrome steel and stainless steel. The material selection needs to be determined according to the application of the installed bearing unit. The most commonly used on the market is a cast iron housing with chromium steel outer spherical bearings. Stainless steel and plastic UCT tension bearing units are commonly used in the chemical and food industries.

A loose fit allows for easy installation, but too loose of a fit may allow the bearing ring to slip or creep on the shaft or in the housing. Creep can cause excessive wear or vibration and in the worst cases lead to ring fracture or bearing seizure.