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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 0.30 Kg0.7 lb

C - Cup Width

 N/A 0.6563 in16.670 mm
Max Housing Fillet Radius1 N/A 0.06 in1.52 mm

Housing Backing Shoulder Diameter - Frontface (Da)

 N/A 2.4 in60.96 mm

Housing Backing Shoulder Diameter - Backface (Db)

 N/A 2.13 in54.1 mm

Key Dimensions

Series

 N/A M86600

Cup Part Number

 N/A M86610

O.D. (D)

 N/A 2.5312 in64.292 mm
e Factor 2 N/A 0.55
Y Factor 3 N/A 1.1

Factors

Geometry Factor (Cg)4 N/A 0.0736
  • 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.
  • 4 Geometry constant for Lubrication Life Adjustment Factor a3l.