SKF Bearing
NSK Bearing
FAG Bearing
TIMKEN Bearing
INA Bearing
NTN Bearing
KOYO Bearing
NACHI Bearing
Specifications
Series | |
Cone Part Number | |
Cup Part Number | |
Design Unit | |
Bearing Weight | |
Cage Material | |
Dimensions
d – Bore | |
D – Cup Outer Diameter | |
B – Cone Width | |
C – Cup Width | |
T – Bearing Width | |
Abutment and Fillet Dimensions
| R – Cone Backface “To Clear” Radius1 | |
| r – Cup Backface “To Clear” Radius2 | |
da – Cone Frontface Backing Diameter | |
db – Cone Backface Backing Diameter | |
Da – Cup Frontface Backing Diameter | |
Db – Cup Backface Backing Diameter | |
Ab – Cage-Cone Frontface Clearance | |
Aa – Cage-Cone Backface Clearance | |
| a – Effective Center Location3 | |
Basic Load Ratings
| C90 – Dynamic Radial Rating (90 million revolutions)4 | |
| C1 – Dynamic Radial Rating (1 million revolutions)5 | |
C0 – Static Radial Rating | |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | |
Factors
| K – Factor7 | |
| e – ISO Factor8 | |
| Y – ISO Factor9 | |
G1 – Heat Generation Factor (Roller-Raceway) | |
G2 – Heat Generation Factor (Rib-Roller End) | |
| Cg – Geometry Factor10 | |
- 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 Negative value indicates effective center inside cone backface.
- 4 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
- 5 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
- 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 Geometry constant for Lubrication Life Adjustment Factor a3l.
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