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

Key Dimensions

O.D. (D)

 N/A 850 mm33.4646 in

Cup Part Number

 N/A JL580914
e Factor 1 N/A 0.4
K Factor 2 N/A 1.47
Y Factor 3 N/A 1.51

Other Dimensions

Weight

 N/A 158.000 Kg348.40 lb

C - Cup Width

 N/A 78 mm3.0709 in
Max Housing Fillet Radius4 N/A 6.10 mm0.240 in

Housing Backing Shoulder Dia. - Frontface (Da)

 N/A 807.00 mm31.77 in

Housing Backing Shoulder Dia. - Backface (Db)

 N/A 801.12 mm31.54 in

Factors

G1 Factor

 N/A 9816.1

G2 Factor

 N/A 894.2
Geometry Factor (Cg)5 N/A 0.29
  • 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 factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These maximum fillet radii will be cleared by the bearing corners.
  • 5 Geometry constant for Lubrication Life Adjustment Factor a3l.