Specifications of TIMKEN Bearing 25570 - 25520D
Specifications
Series |
25500 |
Cone Part Number |
25570 |
Cup Part Number |
25520D |
Design Unit |
Inch |
Bearing Weight |
3.270 lb1.482 Kg |
Cage Material |
Stamped Steel |
Dimensions
d – Bore |
1 7/16 in36.513 mm |
D – Cup Outer Diameter |
3.2650 in82.931 mm |
B – Cone Width |
1.0000 in25.400 mm |
C – Double Cup Width |
1.8750 in47.625 mm |
T – Bearing Width across Cones |
2.2500 in57.150 mm |
Abutment and Fillet Dimensions
R – Cone Backface “To Clear” Radius1 |
0.14 in3.6 mm |
r – Cup Backface “To Clear” Radius2 |
0.03 in0.8 mm |
db – Cone Backface Backing Diameter |
2.01 in51 mm |
Da – Cup Frontface Backing Diameter |
3.05 in77.47 mm |
Aa – Cage-Cone Backface Clearance |
0.01 in0.3 mm |
a – Effective Center Location3 |
-0.25 in-6.4 mm |
Basic Load Ratings
C90 – Dynamic Radial Rating (One-Row, 90 million revolutions)4 |
5270 lbf23500 N |
C1 – Dynamic Radial Rating (Two-Row, 1 million revolutions)5 |
35400 lbf158000 N |
C90(2) – Dynamic Radial Rating (Two-Row, 90 million revolutions)6 |
9180 lbf40900 N |
Ca90 – Dynamic Thrust Rating (90 million revolutions)7 |
3020 lbf13500 N |