N/AThis part has a non-standard shoulder design. Please email customer CAD for shoulder details to ensure the proper design of mating components.
Dimensions
d - Bore
N/A6.7500 in171.450 mm
D - Cup Outer Diameter
N/A14-3/4 in374.650 mm
T - Width
N/A6.8750 in174.625 mm
B - Width
N/A6.25 in158.75 mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius1
N/A0.06 in1.5 mm
r - Cup Backface "To Clear" Radius2
N/A0.06 in1.52 mm
db - Cone Backface Backing Diameter
N/A8.46 in215 mm
Da - Cup Frontface Backing Diameter
N/A13.46 in341.88 mm
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)3
N/A77200 lbf343000 N
C1 - Dynamic Radial Rating (1 million revolutions)4
N/A518000 lbf2300000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)5
N/A93300 lbf415000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6
N/A134000 lbf598000 N
Factors
K - Factor7
N/A0.83
e - ISO Factor8
N/A0.71
Y1 - ISO Factor9
N/A0.96
Y2 - ISO Factor10
N/A1.42
1 These maximum fillet radii will be cleared by the bearing corners.
2 These maximum fillet radii will be cleared by the bearing corners.
3 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
4 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
5 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
7 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
8 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.