TIMKEN 387-90110 Tapered Roller Bearing Assemblies
| Series: | 39000 |
| Cone Part Number: | 39250 |
| Cup Part Number: | 39412-B |
| Design Units: | Imperial |
| Bearing Weight: | 1.6 lb |
| Cage Type: | Stamped Steel |
| d: | 2.5000 in |
| D: | 4.1250 in |
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Product Details
| Series | 39000 |
| Cone Part Number | 39250 |
| Cup Part Number | 39412-B |
| Design Units | Imperial |
| Bearing Weight | 1.6 lb |
| Cage Type | Stamped Steel |
| d | 2.5000 in |
| D | 4.1250 in |
| D1 - Flange Outer Diameter | 4.3084 in |
| B - Cone Width | 0.8661 in |
| C - Cup Width | 0.6250 in |
| C1 - Cup Flange Width | 0.1875 in |
| T1 - Bearing Width | 0.8438 in |
| T - Bearing Width to Flange | 0.4063 in |
| R - Cone Backface To Clear Radius1 | 0.080 in |
| r - Cup Backface To Clear Radius2 | 0.08 in |
| da - Cone Frontface Backing Diameter | 2.72 in |
| db - Cone Backface Backing Diameter | 2.87 in |
| Da - Cup Frontface Backing Diameter | 4.06 in |
| Ab - Cage-Cone Frontface Clearance | 0.12 in |
| Aa - Cage-Cone Backface Clearance | 0.05 in |
| a - Effective Center Location3 | -0.06 in |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 6680 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 25800 lbf |
| C0 - Static Radial Rating | 27000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 4440 lbf |
| K - Factor7 | 1.51 |
| e - ISO Factor8 | 0.39 |
| Y - ISO Factor9 | 1.55 |
| G1 - Heat Generation Factor (Roller-Raceway)10 | 51.7 |
| G2 - Heat Generation Factor (Rib-Roller End) | 19.5 |
| Cg - Geometry Factor11 | 0.0947 |
Company Profile
| Worktime |
9.00--18.00 |
| Phone |
0065-31591338 |
| Fax |
0065-31591338 |
