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QWhat is Spherical Roller Thrust Bearings – TSR?

ATimken designed type TSR thrust spherical roller bearings to achieve a high thrust capacity with low friction and continuous roller alignment. This bearing type is ideal for operating conditions that experience heavy loads, difficulty in establishing or maintaining housing alignment, or shaft deflection. Size range: 90 mm to 1000 mm (4.3307 in. to 33.4646 in.) Design Attributes: Spherically contoured rollers, arranged in a steep angular position, accommodate high thrust loads and support moderate radial loads. Bearing geometry and manufacturing technology result in low friction of bearing. Internal self-alignment of bearing elements during operation compensates for shaft deflections and housing distortions caused by shock or heavy loads. The TSR’s inherent compensation for misalignment offers equipment designers the opportunity to use weldments for housing frames instead of complex castings, which reduces machining costs. When castings are preferred, bore alignment is less critical if spherical thrust bearings are specified. “E” styles utilize enhanced bearing geometry allowing for higher dynamic load ratings and improved lubrication characteristics. Applications: Blowout preventers Classifiers Extruders Gearboxes Metal mill work/back-up rolls Pre-heater fans Pumps Screw conveyors

QWhat is Type TPS-Self-aligning Thrust Cylindrical Roller Bearing?

AThe TPS type thrust cylindrical bearing is similar to type TP, except the bottom washer is comprised of two races, with the contacting faces spherically ground. The TPS bearing is self-adjusting to initial misalignment. It is not suggested for applications where alignment may be continuously changing (dynamic misalignment). Size range: 50.8 mm to 406.4 mm (2 in. to 16 in.) Design Attributes: Bottom washer design makes bearing adaptable to initial misalignment. Overlapping roller paths prevent “grooving” of races and prolong bearing life. Minor radial displacement of the races does not affect the operation of a TPS bearing, resulting in manufacturing economies and easy installation. Simple design is the most economical to purchase and install. Applications: Construction wheeled equipment Drilling equipment Lifting equipment Power generation gearboxes

QWhat is Type TP-Thrust Cylindrical Roller Bearing?

ADesigned to operate under heavy loads at moderate speed, standard versions of type TS bearings can be operated at peripheral speeds of up to 3,000 feet per minute. Special design features are available for both the bearing and mounting, permitting even higher rotational speeds for this bearing type. Size range: 50.8 mm to 609.6 mm (2 in. to 24 in.) Design Attributes: Includes two flat-hardened, ground- steel washers with a cage retainer holding one or more controlled contour rollers in each pocket. The longer rollers are placed in alternate positions in adjacent pockets. Overlapping roller paths prevent “grooving” of races and prolong bearing life. Minor radial displacement of the races does not affect the operation of a TP bearing, resulting in manufacturing economies and easy installation. Simple design is the most economical to purchase and install. Applications: Cone crushers Crane hooks Extruders Gearboxes Oil well swivels Power drives Pulverizers Pumps

QWhat is Type TVL-Angular Contact Thrust Ball Bearing?

AType TVL thrust ball bearings provide exceptionally low friction, cool running and quiet operation at high speeds and also are less sensitive to misalignment. We designed TVLs for thrust loading, but it will also accommodate some radial loading. Size range: 228.6 mm to 1371.6 mm (9 in. to 54 in.) Design Attributes: Precision ground and lapped steel balls are enclosed by hardened and ground steel races and separated by a bronze cage. Other materials may be specified as required to suit specific application needs. Applications: Fluid control valves Machine tool tables and spindles Oil and gas rotary tables

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