81288 NSK Double direction thrust bearings
| Brand Name | NSK |
| Model Number | 81288 |
| Min.Order Quantity | 1 pcs |
| Price | Negotiable |
Product Details
| Series | LL481400 |
| Cone Part Number | LL481448 |
| Cup Part Number | LL481411 |
| Design Units | Imperial |
| Bearing Weight | 51.80 Kg |
| Cage Type | Stamped Steel |
| d | 673.100 mm |
| D | 793.750 mm |
| B - Cone Width | 61.913 mm |
| C - Cup Width | 49.213 mm |
| B | 66.675 mm |
| R - Cone Backface To Clear Radius1 | 6.35 mm |
| r - Cup Backface To Clear Radius2 | 6.35 mm |
| da - Cone Frontface Backing Diameter | 690.12 mm |
| db - Cone Backface Backing Diameter | 702.06 mm |
| Da - Cup Frontface Backing Diameter | 773.68 mm |
| Db - Cup Backface Backing Diameter | 765.05 mm |
| Ab - Cage-Cone Frontface Clearance | 4.6 mm |
| Aa - Cage-Cone Backface Clearance | 1.8 mm |
| a - Effective Center Location3 | 53.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 64600 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 249000 lbf |
| C0 - Static Radial Rating | 707000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 39800 lbf |
| K - Factor7 | 1.62 |
| e - ISO Factor8 | 0.36 |
| Y - ISO Factor9 | 1.67 |
| G1 - Heat Generation Factor (Roller-Raceway) | 8760 |
| G2 - Heat Generation Factor (Rib-Roller End) | 1650 |
| Cg - Geometry Factor | 0.266 |