8128 TIMKEN Double Direction Thrust Bearings
| Brand Name: | TIMKEN |
| Model Number: | 8128 |
| Series: | 780000 |
| Cone Part Number: | EE780706 |
| Cup Part Number: | 781400 |
| Design Units: | Imperial |
| Bearing Weight: | 25.5 Kg |
| Cage Type: | Pin-Type |
| d: | 177.800 mm |
| D: | 355.6 mm |
Product Details
| Series | 780000 |
| Cone Part Number | EE780706 |
| Cup Part Number | 781400 |
| Design Units | Imperial |
| Bearing Weight | 25.5 Kg |
| Cage Type | Pin-Type |
| d | 177.800 mm |
| D | 355.6 mm |
| B - Cone Width | 60.325 mm |
| C - Cup Width | 41.275 mm |
| B | 61.913 mm |
| R - Cone Backface To Clear Radius1 | 12.700 mm |
| r - Cup Backface To Clear Radius2 | 4.83 mm |
| da - Cone Frontface Backing Diameter | 209.04 mm |
| db - Cone Backface Backing Diameter | 223.01 mm |
| Da - Cup Frontface Backing Diameter | 322.07 mm |
| Db - Cup Backface Backing Diameter | 320.04 mm |
| Ab - Cage-Cone Frontface Clearance | 6.6 mm |
| Aa - Cage-Cone Backface Clearance | 6.9 mm |
| a - Effective Center Location3 | -0.3 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 51100 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 197000 lbf |
| C0 - Static Radial Rating | 243000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 34900 lbf |
| K - Factor7 | 1.46 |
| e - ISO Factor8 | 0.4 |
| Y - ISO Factor9 | 1.5 |
| G1 - Heat Generation Factor (Roller-Raceway) | 646.5 |
| G2 - Heat Generation Factor (Rib-Roller End) | 79.5 |
| Cg - Geometry Factor | 0.118 |
