M12648A/M1261 TIMKEN Spherical Roller Bearings Steel Cage
| Brand Name: |
TIMKEN |
| Model Number: |
M12648A/M1261 |
| Series: |
3900 |
| Cone Part Number: |
3955 |
| Design Units: |
Imperial |
| Cage Type: |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: |
54300 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: |
14100 lbf |
| d: |
2.5000 in |
| B - Cone Width: |
1.4330 in |
Product Details
| Series |
3900 |
| Cone Part Number |
3955 |
| Design Units |
Imperial |
| Cage Type |
Stamped Steel |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 |
54300 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 |
14100 lbf |
| d |
2.5000 in |
| B - Cone Width |
1.4330 in |
| R - Cone Backface To Clear Radius3 |
0.14 in |
| da - Cone Frontface Backing Diameter |
2.8 in |
| db - Cone Backface Backing Diameter |
3.03 in |
| Ab - Cage-Cone Frontface Clearance |
0.08 in |
| Aa - Cage-Cone Backface Clearance |
0.31 in |
| a - Effective Center Location4 |
-0.43 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 |
8090 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)6 |
31200 lbf |
| C0 - Static Radial Rating |
43000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 |
5570 lbf |
| K - Factor8 |
1.45 |
| Cg - Geometry Factor |
0.109 |