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This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
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Unit of Measure

Other Dimensions

Weight

 N/A 706.800 Kg1558.30 lb

C - Cup Width

 N/A 5.5 in139.7 mm
Max Housing Fillet Radius1 N/A 0.08 in2 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 28.23 in717.00 mm

Key Dimensions

Series

 N/A 525000

Cup Part Number

 N/A 525321

O.D. (D)

 N/A 32 in812.8 mm
K Factor 2 N/A 1.74
e Factor 3 N/A 0.71
  • 1 These maximum fillet radii will be cleared by the bearing corners.
  • 2 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.