81963D-20081 Timken Tapered Roller Bearing Double Row Cup 81963 D 9-5/8 in OD USA


The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore.

Unit of Measure 

Specifications

Series

81000

Cup Part Number

81963D

Design Units

Imperial

Dimensions

D - Cup Outer Diameter

9.6250 in244.475 mm

C - Double Cup Width

3.125 in79.375 mm

Abutment and Fillet Dimensions

r - Cup Backface "To Clear" Radius10.06 in1.5 mm

Da - Cup Frontface Backing Diameter

9.06 in229.11 mm

Factors

K - Factor21.66
e - ISO Factor30.35
Y1 - ISO Factor41.92
Y2 - ISO Factor52.86

G1 - Heat Generation Factor (Roller-Raceway)

413

G2 - Heat Generation Factor (Rib-Roller End)

98.4
Cg - Geometry Factor60.125
  • 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 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 Geometry constant for Lubrication Life Adjustment Factor a3l.