Print Back
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.
Unit of Measure

Other Dimensions

Weight

N/A 244.300 Kg538.60 lb

C - Cup Width

N/A 5.625 in142.875 mm
Max Housing Fillet Radius1 N/A 0.25 in6.35 mm

Housing Backing Shoulder Diameter - Frontface (Da)

N/A 25.63 in648.50 mm

Housing Backing Shoulder Diameter - Backface (Db)

N/A 24.69 in627.13 mm

Key Dimensions

Series

N/A 650000

Cup Part Number

N/A 650270

O.D. (D)

N/A 26.996 in685.698 mm
e Factor 2 N/A 0.32
Y Factor 3 N/A 1.85

Factors

Geometry Factor (Cg)4 N/A 0.254
  • 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.