6201 - Deep Groove Ball Bearing - 6201 bearing dimensions

2024-11-09 23:39:10

Constructed from stainless steel, metric cam followers are designed to carry dynamic and static loads while maintaining a highly compact design. We offer different configurations of this product, including:

In some cases, the lubrication and high viscosity of a grease are desired in situations where non-toxic, non-oil based materials are required. Carboxymethyl cellulose, or CMC, is one popular material used to create a water-based analog of greases. CMC serves to both thicken the solution and add a lubricating effect, and often silicone-based lubricants are added for additional lubrication. The most familiar example of this type of lubricant, used as a surgical and personal lubricant, is K-Y Jelly.

· MYRV — Bearing a full complement of needle rollers, MYRV products are unsealed and range in size from 5 mm by 12 mm to 90 mm by 32 mm.

CR-XBEC cam followers are sealed. Their dimensions range from 0.500” roller OD by 5/8” stud length to 2.750” by 2-1/4”. Available configurations also include crown radii from 7” to 30”, hex sizes from 1/8” to ½”, and basic dynamic ratings from 970 lbs. to 15,280 lbs. Emerson’s stud cam followers work best in settings with moderate loads and shocks.

Cam followers are typically available in stud or yoke styles; stud styles have a pin for mounting while yoke styles feature a hole in the middle of the bearing. Our CR-B and CR-XB hex slot cam followers are constructed in stainless steel and designed in the stud style, ideal for moderate loads and shock levels.

At Emerson Bearing, our metric cam followers are available in a myriad of design options. These anti-friction needle bearings are built with a heavy outer ring with studs, allowing them to withstand moderate loads and shock levels.

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Rollerfollower Diagram

Food-grade greases are those greases that may come in contact with food and as such are required to be safe to digest. Food-grade lubricant base oil are generally low sulfur petrochemical, less easily oxidized and emulsified. Another commonly used poly-α olefin base oil as well.[clarification needed] The United States Department of Agriculture (USDA) has three food-grade designations: H1, H2 and H3. H1 lubricants are food-grade lubricants used in food-processing environments where there is the possibility of incidental food contact. H2 lubricants are industrial lubricants used on equipment and machine parts in locations with no possibility of contact. H3 lubricants are food-grade lubricants, typically edible oils, used to prevent rust on hooks, trolleys and similar equipment.[citation needed]

Apiezon, silicone-based, and fluoroether-based greases are all used commonly in laboratories for lubricating stopcocks and ground glass joints. The grease helps to prevent joints from "freezing", as well as ensuring high vacuum systems are properly sealed. Apiezon or similar hydrocarbon based greases are the cheapest, and most suitable for high vacuum applications. However, they dissolve in many organic solvents. This quality makes clean-up with pentane or hexanes trivial, but also easily leads to contamination of reaction mixtures.

Greases are applied to mechanisms that can be lubricated only infrequently and where a lubricating oil would not stay in position. They also act as sealants to prevent the ingress of water and incompressible materials. Grease-lubricated bearings have greater frictional characteristics because of their high viscosities.

· MCR-S — Our MCR-S cam followers are caged and sealed, accommodating maximum speeds ranging from to 1,700 rpm to 16,000 rpm.

Silicone-based greases are cheaper than fluoroether-based greases. They are relatively inert and generally do not affect reactions, though reaction mixtures often get contaminated (detected through NMR near δ 0[13]). Silicone-based greases are not easily removed with solvent, but they are removed efficiently by soaking in a base bath.

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Fits Most Class 8 Over the Road Trucks and Trailers and Some Medium Duty Trucks. Use the tapered driver side for bearing races and the flat side for seals.

Applications with heavy duty requirements need the industry’s toughest and most reliable cam followers. Metric yoke rollers from Emerson Bearing withstand heavy loads without compromising performance and are reliable even in the most challenging environments, including power generation, metal processing and wastewater treatment.

· MCRV — MCRV products are full complement, unsealed cam followers that range in size from 16 mm by 28 mm to 90 mm by 100 mm.

The amount of grease in a sample can be determined in a laboratory by extraction with a solvent followed by e.g. gravimetric determination.[6]

For applications requiring higher levels of precision, Emerson Bearing offers CR-XBEC eccentric stud hex slot cam followers in multiple configurations. The eccentric stud design of these needle bearings allows for seamless mounting and alignment.

Cam Follower

Grease is a solid or semisolid lubricant formed as a dispersion of thickening agents in a liquid lubricant. Grease generally consists of a soap emulsified with mineral or vegetable oil.

Cam follower bearing

CR-B cam followers are unsealed, with hex sizes ranging from 1/8” to ¾” and maximum static capacities running from 720 lbs. to 45,100 lbs. CR-XB products are sealed; they range from 1/8” to 1/8” in hex size and support 720 lbs. to 3100 lbs. in static capacity.

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Spherical follower

A common feature of greases is that they possess high initial viscosities, which upon the application of shear, drop to give the effect of an oil-lubricated bearing of approximately the same viscosity as the base oil used in the grease. This change in viscosity is called shear thinning. Grease is sometimes used to describe lubricating materials that are simply soft solids or high viscosity liquids, but these materials do not exhibit the shear-thinning properties characteristic of the classical grease. For example, petroleum jellies such as Vaseline are not generally classified as greases.

For additional details about the available configurations outlined above, or to learn more about our selection of metric cam followers, contact us today.

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Constructed from stainless steel, the CR-XBEC line features a heavy outer ring designed to accommodate different needle rollers and a crowned style to reduce or eliminate pre-loading, clearance, and wear compensation problems.

· MCR — These caged, unsealed cam followers range in dynamic loads from 3,800 N to 45,000 N and static loads from 3750 N to 85,000 N.

Cam follower roller bearings are specifically designed to follow cams or tracks on a wide range of linear motion systems. They can be used on conveyors and process transfer lines in many different industries including packaging, food processing, power generation, recreation, automation, transportation, wastewater treatment, metal processing, and more.Download our FREE eBook: The Art of Precision Bearing - Handling Mounting, and Technical Guide to Precision Bearings

Emerson Bearing offers two types of hex slot cam followers: the CR-B and CR-XB. Featuring anti-friction designs and organized in compact configurations, these cam followers provide excellent dynamic and static load carrying capabilities.

They are made up of cups and cones and are available in both metric and imperial sizes. Taper roller bearings are still measured in the same way, Inside ...

Flat faced follower

Cam followers are precision machined, which provides a great deal of benefits over alternative technologies. Some advantages include a reduction in noise, low rolling resistance, vibration damping and shock absorbing properties, the ability to carry axial loads, and the option of corrosion resistance. Here’s a closer look at some more components and advantages:

Grease from the early Egyptian or Roman eras is thought to have been prepared by combining lime with olive oil. The lime saponifies some of the triglyceride that comprises oil to give a calcium grease. In the middle of the 19th century, soaps were intentionally added as thickeners to oils.[9] Over the centuries, all manner of materials have been employed as greases. For example, black slugs Arion ater were used as axle-grease to lubricate wooden axle-trees or carts in Sweden.[10]

Solid additives such as copper or ceramic powder (most often hBN) are added to some greases for static high pressure and/or high temperature applications, or where corrosion could prevent dis-assembly of components later in their service life. These compounds are working as a release agent.[7][8] Solid additives cannot be used in bearings because of tight tolerances. Solid additives will cause increased wear in bearings.[citation needed]

Cam follower bearings, which follow tracks or cams in linear motion systems, are essential for conveyors and other applications in packaging, automotive, food processing, metal processing, and many other industries.

Standard ISO 6743-9 “lubricants, industrial oils and related products (class L) — classification — part 9: family X (greases)”, first released in 1987 by the International Organization for Standardization, establishes a detailed classification of greases used for the lubrication of equipment, components of machines, vehicles, etc. It assigns a single multi-part code to each grease based on its operational properties (including temperature range, effects of water, load, etc.) and its NLGI consistency number.[12]

Some greases are labeled "EP", which indicates "extreme pressure". Under high pressure or shock loading, normal grease can be compressed to the extent that the greased parts come into physical contact, causing friction and wear. EP greases have increased resistance to film breakdown, form sacrificial coatings on the metal surface to protect if the film does break down, or include solid lubricants such as graphite, molybdenum disulfide or hexagonal boron nitride (hBN) to provide protection even without any grease remaining.[3]

Cam followers are specially designed needle bearings that are threaded for quick and easy attachment in cam and track roller applications.

Powdered solids may also be used as thickeners, especially as absorbent clays like bentonite. Fatty oil-based greases have also been prepared with other thickeners, such as tar, graphite, or mica, which also increase the durability of the grease. Silicone greases are generally thickened with silica.

Rollerfollower applications

Oct 13, 2012 — As long as the original hardware is on the vehicle, the hub mounting bolts are 13mm and the spindle nut is 34mm.

Fluoropolymers containing C-O-C (ether) with fluorine (F) bonded to the carbon. They are more flexible and often used in demanding environments due to their inertness. Fomblin by Solvay Solexis and Krytox by duPont are prominent examples.

· MYR-S — The MYR-S series consists of caged and sealed yoke rollers with maximum speeds ranging from 1,300 rpm to 22,000 rpm.

The main elements of standard ATSM D4950 and NLGI's consistency classification are reproduced and described in standard SAE J310 “automotive lubricating greases” published by SAE International.

Mushroom follower

Rollerfollower cam

Fluoroether-based greases are inert to many substances including solvents, acids, bases, and oxidizers. They are, however, expensive, and are not easily cleaned away.

Constructed from stainless steel, our metric yokes easily accommodate clevis and shaft mounting. Like other cam followers, metric yoke rollers have excellent anti-friction properties and can bear both dynamic and static loads, all with a compact, efficient design.

The distinctive characteristic of cam followers are attributed to how they mount to their counterparts. Common examples include stud style, which fittingly use a stud to mount to their mating part, while yoke style have a hole through the middle.

Lithium-based greases are the most commonly used; sodium and lithium-based greases have higher melting point (dropping point) than calcium-based greases but are not resistant to the action of water. Lithium-based grease has a dropping point at 190 to 220 °C (374 to 428 °F). However the maximum usable temperature for lithium-based grease is 120 °C.

Cork grease is a lubricant used to lubricate cork, for example in musical wind instruments. It is usually applied using small lip-balm/lip-stick like applicators.[14]

Soaps are the most common emulsifying agent used, and the selection of the type of soap is determined by the application.[3] Soaps include calcium stearate, sodium stearate, lithium stearate, as well as mixtures of these components. Fatty acids derivatives other than stearates are also used, especially lithium 12-hydroxystearate. The nature of the soaps influences the temperature resistance (relating to the viscosity), water resistance, and chemical stability of the resulting grease. Calcium sulphonates and polyureas are increasingly common grease thickeners not based on metallic soaps.[4][5]

New location: Navigate to USACE Home > [Publications] > [Engineer Manuals] > [EM 1110-2-1424 Lubricants and Hydraulic Fluids]

Jointly developed by ASTM International, the National Lubricating Grease Institute (NLGI) and SAE International, standard ASTM D4950 “standard classification and specification for automotive service greases” was first published in 1989 by ASTM International. It categorizes greases suitable for the lubrication of chassis components and wheel bearings of vehicles, based on performance requirements, using codes adopted from the NLGI's “chassis and wheel bearing service classification system”:

· MYR — A caged, unsealed design, the MYR can handle static loads from 3,750 N to 108,000 N and dynamic loads from to 3,800 N to 52,000 N.

A true grease consists of an oil or other fluid lubricant that is mixed with a thickener, typically a soap, to form a solid or semisolid.[1] Greases are usually shear-thinning or pseudo-plastic fluids, which means that the viscosity of the fluid is reduced under shear stress. After sufficient force to shear the grease has been applied, the viscosity drops and approaches that of the base lubricant, such as mineral oil. This sudden drop in shear force means that grease is considered a plastic fluid, and the reduction of shear force with time makes it thixotropic. A few greases are rheotropic, meaning they become more viscous when worked.[2] Grease is often applied using a grease gun, which applies the grease to the part being lubricated under pressure, forcing the solid grease into the spaces in the part.

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