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

Key Dimensions

Cup Part Number

 N/A LM48510P

O.D. (D)

 N/A 2.5625 in65.088 mm

Outer Ring Width (C)

 N/A 0.5500 in13.970 mm
e Factor 1 N/A 0.38
Y Factor 2 N/A 1.59

Other Dimensions

Weight

 N/A 0.3 Kg0.6 lb
Max Housing Fillet Radius3 N/A 0.050 in1.27 mm

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 2.44 in61.00 mm

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 2.28 in57.91 mm

Factors

Geometry Factor (Cg)4 N/A 0.0666
  • 1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 2 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 3 These maximum fillet radii will be cleared by the bearing corners.
  • 4 Geometry constant for Lubrication Life Adjustment Factor a3l.