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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 703.400 Kg1550.80 lb

C - Cup Width

 N/A 6.2205 in158.001 mm
Max Housing Fillet Radius1 N/A 0.470 in11.94 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 39.26 in997.20 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 38.62 in980.95 mm

Key Dimensions

Series

 N/A M283400

Cup Part Number

 N/A M283419

O.D. (D)

 N/A 42.5157 in1079.899 mm
e Factor 2 N/A 0.33

Factors

Geometry Factor (Cg)3 N/A 0.362
  • 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 Geometry constant for Lubrication Life Adjustment Factor a3l.