Timken 387-S/384DC+X1S-387A tapered roller bearings
| Brand Name: |
Timken |
| Model Number: |
387-S/384DC+X1S-387A |
| Series: |
3400 |
| Cone Part Number: |
3490 |
| Cup Part Number: |
3424YD |
| Design Units: |
Imperial |
| Bearing Weight: |
3.59 lb |
| Cage Type: |
Stamped Steel |
| Ab - Cage-Cone Frontface Clearance: |
0.05 in |
| d: |
1.5 in |
| PDF |
387-S/384DC+X1S-387A |
Product Details
| Series |
3400 |
| Cone Part Number |
3490 |
| Cup Part Number |
3424YD |
| Design Units |
Imperial |
| Bearing Weight |
3.59 lb |
| Cage Type |
Stamped Steel |
| Ab - Cage-Cone Frontface Clearance |
0.05 in |
| d |
1.5 in |
| D |
3.2500 in |
| B - Cone Width |
1.1721 in |
| C - Double Cup Width |
2.1875 in |
| T - Bearing Width across Cones |
2.6251 in |
| R - Cone Backface To Clear Radius1 |
0.14 in |
| r - Cup Frontface To Clear Radius2 |
0.03 in |
| db - Cone Backface Backing Diameter |
2.05 in |
| Da - Cup Frontface Backing Diameter |
2.99 in |
| Aa - Cage-Cone Backface Clearance |
0.04 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
6100 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
41000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
10600 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
3820 lbf |
| K - Factor7 |
1.6 |
| e - ISO Factor8 |
0.37 |
| Y1 - ISO Factor9 |
1.85 |
| Y2 - ISO Factor10 |
2.75 |
| G1 - Heat Generation Factor (Roller-Raceway)11 |
29.9 |
| G2 - Heat Generation Factor (Rib-Roller End) |
11.2 |
| Cg - Geometry Factor12 |
0.0781 |