Timken 28990/28921D tapered roller bearings
We work closely with our Timken 28990/28921D tapered roller bearings manufacturing partners to bring X32008XMSA Cone Part Number the best value to customers. 32008XM Series
| Series | 32008XM |
| Cone Part Number | X32008XMSA |
| Cup Part Number | Y32008XM |
| Design Units | METRIC |
| Bearing Weight | 0.30 Kg |
| Cage Type | Stamped Steel |
| d | 40 mm |
| D | 68.000 mm |
| B – Cone Width | 19.000 mm |
| C – Cup Width | 14.500 mm |
| B | 19.000 mm |
| R – Cone Backface To Clear Radius1 | 1.020 mm |
| r – Cup Backface To Clear Radius2 | 1.02 mm |
| da – Cone Frontface Backing Diameter | 45.47 mm |
| db – Cone Backface Backing Diameter | 46.99 mm |
| Da – Cup Frontface Backing Diameter | 66.00 mm |
| Db – Cup Backface Backing Diameter | 60.96 mm |
| Ab – Cage-Cone Frontface Clearance | 2.3 mm |
| Aa – Cage-Cone Backface Clearance | 0.5 mm |
| a – Effective Center Location3 | -3.8 mm |
| C90 – Dynamic Radial Rating (90 million revolutions)4 | 14400 N |
| C1 – Dynamic Radial Rating (1 million revolutions)5 | 55500 N |
| C0 – Static Radial Rating | 71600 N |
| Ca90 – Dynamic Thrust Rating (90 million revolutions)6 | 9330 N |
| K – Factor7 | 1.54 |
| e – ISO Factor8 | 0.38 |
| Y – ISO Factor9 | 1.58 |
| G1 – Heat Generation Factor (Roller-Raceway) | 23.8 |
| G2 – Heat Generation Factor (Rib-Roller End) | 16.1 |
| Cg – Geometry Factor | 0.0732 |
Detailed Parameters
parameter：
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