tapered roller bearing / single-row / double-row / four-row
Zhejiang Tianma Bearing Group Co.，Ltd.
single-row, double-row, four-row
with cage, precision, for extreme conditions, long-life, hub, high-performance, high-temperature, low-noise, heavy-duty, low-friction, small, large, heat-resistant, high-quality
for pumps, for rolling mills, for motors, transmission, for industry, for generators, for wheel hubs, for trucks, for construction machinery, for forklift trucks, for vehicles, for agricultural applications, for the automobile industry, for motorbikes, for tractor gearboxes, for gear reducers, for wind generators, for conveyors, for compressors, for textiles, wheel, for automobiles, pulley, for railway applications, for machines, for home appliances
Max.: 300 mm
Min.: 15 mm
Max.: 1,360 mm
Min.: 42 mm
Max.: 149 mm
Min.: 14.25 mm
Tapered roller bearing
The inner and outer ring raceways are segments of cones and the rollers are tapered so that the conical surfaces of the raceways, and the roller axes, if projected, would all meet at a common point on the main axis of the bearing. This geometry makes the motion of the cones remain coaxial, with no sliding motion between the raceways and the OD of the rollers.
Tapered roller bearings are separable into a cone assembly and a cup. The non-separable cone assembly consists of the inner ring, the rollers, and a cage that retains & evenly spaces the rollers. The cup is simply the outer ring. Internal clearance is established during mounting by the axial position of the cone relative to the cup, although preloaded installations without clearance are common.
Metric tapered roller bearings follow the designation system defined by ISO 355.
In many applications tapered roller bearings are used in back-to-back pairs so that axial forces can be supported equally in either direction.
Pairs of tapered roller bearings are used in car and vehicle wheel bearings where they must cope simultaneously with large vertical (radial) and horizontal (axial) forces. Tapered roller bearings are commonly used for moderate speed, heavy duty applications where durability is required. Common real world applications are in agriculture, construction and mining equipment, sports robot combat, axle systems, gear box, engine motors and reducers, propeller shaft, railroad axle-box, differential, wind turbines, etc