Tapered roller bearings are separable and have the following components: outer ring, inner ring, and roller assembly (containing the rollers and a cage). The non-separable inner ring and roller assembly is called the cone, and the outer ring is called the cup. Internal clearance is established during mounting by the axial position of the cone relative to the cup.

Tapered roller bearings 31308 Specifications

Principle dimensions(d): 40mm
Principle dimensions(D): 90mm
Principle dimensions(B): 25.25mm
Basic load ratings(dyn.): 85KN
Basic load ratings(stat.): 81.5KN
Reference speed: 5600r/min
Limiting speed: 7500r/min
Weight: 0.72kg

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