Bearings And Bearing Components

Our product range contains a wide range of Cylindrical Roller, Integrated Bearing Assemblies, Angular Contact Thrust Spherical Plain Bearings, Precision Tapered Roller and Formed Hub Wheel End System

Cylindrical Roller

Size range 22 mm to 300 mm

All cylindrical roller bearing configurations (except RAA) provide precision control of the rollers for operation over a wide range of speeds with precision-ground, double-ribbed guide flanges on one ring. These roller bearings are found in turbine engine mainshaft, transmission and gearbox applications with high radial loads. Design Attributes: RF and RJ configurations are designed for applications requiring axial position control or limited thrust capabilities in one direction.For applications operating at higher loads and speeds, the RJ configuration is designed for easier lubrication with an oil jet onto the inner race.Types RU and RN are full-floating configurations that allow limited axial motion during operation. RN is less prone to slip or skid under lighter loads or varying loads at high speeds. RU is easier to lubricate under heavier loads.Types RUS and RNH bearings are used in integral designs where the rollers run directly on a hardened and ground shaft or housing. Performance characteristics are similar to RU and RN.The RAA configuration has single-ribbed inner and outer rings and performs under low speeds or oscillating conditions. It has high guide flanges to accept some thrust in one direction.

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Integrated Bearing Assemblies

Model AP-2

Based on the design of the AP bearing, Timkens AP-2 rail bearing is designed for heavier loads. It reduces bearing set outs fuel cost and bearing failure due to water ingress. It also reduces component wear rejection and axle fillet damage, decreasing potential axle failure and ultimately reducing the occurrence of axle grooving. Design Attributes: Reduces bearing failure due to water ingressReduces bearing set outsReduces fuel costsReduces component wear rejectionReduces axle fillet damageDecreases potential axle failureApplications: Rail Freight Cars

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Angular Contact Thrust Spherical Plain Bearings

metric sizes 12.7 mm to 600 mm

Timkens spherical plain bearings (SPBs), or bushings, are metal-on-metal bearings consisting of a spherically ground inner ring housed in a mating outer ring without any rolling elements. While all plain bearings are precision ground and made from through-hardened steel, custom orders are available and can include special materials, clearances, surface finishes or configurations to accommodate unique applications. Our SBT and SBDT designs feature lubricating holes and grooves in the outer ring for easy relubrication through the housing. Available in inch and metric sizes from 12.7 mm to 600 mm (.5 in. to 23.622 in.) bore Design Attributes Rings manufactured from hardened steel help deliver consistent, reliable performance.Phosphate-treated rings coated with molybdenum disulfide (MoS2) minimize friction of contacting surfaces.Simplified housing and shaft designs reduce installation time.

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Precision Tapered Roller

Timkens high-precision tapered roller bearings consist of carefully matched components that offer an added degree of fine-tuning in the bearing setting and adjustment procedure to maximize customer machine productivity. Timken manufactures high-speed designs with a variable preload capability for optimum performance. Timken also manufactures Precision Plus bearings having an overall radial runout less than a single micron.

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