参数 |
数据 |
说明 |
Series |
2500 |
|
Cone Part Number |
2558 |
|
Cup Part Number |
2524YD |
|
Design Units |
Imperial |
|
Bearing Weight |
2.5704 lb |
|
Bearing Weight |
1.1659 Kg |
|
Cage Type |
Stamped Steel |
|
D - Cup Outer Diameter |
2.7500 in |
|
D - Cup Outer Diameter |
69.850 mm |
|
d - Cone Bore |
1.1875 in |
|
d - Cone Bore |
30.163 mm |
|
B - Cone Width |
0.9983 in |
|
B - Cone Width |
25.357 mm |
|
C - Double Cup Width |
2.2500 in |
|
C - Double Cup Width |
57.150 mm |
|
T - Bearing Width across Cones |
2.6250 in |
|
T - Bearing Width across Cones |
66.675 mm |
|
Z - Number of Rollers Per Row |
16 |
|
Ka - Locking Pin Diameter |
N/A |
|
Kb - Locking Pin Depth |
N/A |
|
R - Cone Backface "To Clear" Radius |
0.090 in |
These maximum fillet radii will be cleared by the bearing corners. |
R - Cone Backface "To Clear" Radius |
2.300 mm |
These maximum fillet radii will be cleared by the bearing corners. |
r - Cup Frontface "To Clear" Radius |
0.03 in |
These maximum fillet radii will be cleared by the bearing corners. |
r - Cup Frontface "To Clear" Radius |
0.8 mm |
These maximum fillet radii will be cleared by the bearing corners. |
db - Cone Backface Backing Diameter |
1.57 in |
|
db - Cone Backface Backing Diameter |
39.90 mm |
|
Da - Cup Frontface Backing Diameter |
2.56 in |
|
Da - Cup Frontface Backing Diameter |
64.01 mm |
|
Aa - Cage-Cone Backface Clearance |
0.04 in |
|
Aa - Cage-Cone Backface Clearance |
1.00 mm |
|
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) |
4880 lbf |
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. |
C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) |
21700 N |
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. |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) |
32800 lbf |
Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) |
146000 N |
Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions) |
8500 lbf |
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. |
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions) |
37800 N |
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. |
Ca90 - Dynamic Thrust Rating (90 million revolutions) |
2280 lbf |
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. |
Ca90 - Dynamic Thrust Rating (90 million revolutions) |
10200 N |
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. |
K - Factor |
2.14 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
e - ISO Factor |
0.57 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
Y1 - ISO Factor |
1.19 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
Y1 - ISO Factor |
1.78 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
Y2 - ISO Factor |
1.78 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
G1 - Heat Generation Factor (Roller-Raceway) |
23.6 |
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
G2 - Heat Generation Factor (Rib-Roller End) |
9.63 |
|
Cg - Geometry Factor |
0.0656 |
Geometry constant for Lubrication Life Adjustment Factor a3l. |