NU20/53 NSK Tapered Roller bearings double-row
| Brand Name | NSK |
| Model Number | NU20/53 |
| Min.Order Quantity | 1 pcs |
| Price | Negotiable |
Product Details
| Series | 80700 |
| Cone Part Number | 80780 |
| Cup Part Number | 80720 |
| Design Units | Imperial |
| Bearing Weight | 33.8 Kg |
| Cage Type | Stamped Steel |
| d | 635.000 mm |
| D | 736.600 mm |
| B - Cone Width | 53.975 mm |
| C - Cup Width | 41.275 mm |
| B | 57.150 mm |
| R - Cone Backface To Clear Radius1 | 3.300 mm |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| da - Cone Frontface Backing Diameter | 651 mm |
| db - Cone Backface Backing Diameter | 654.05 mm |
| Da - Cup Frontface Backing Diameter | 719.30 mm |
| Db - Cup Backface Backing Diameter | 713.99 mm |
| Ab - Cage-Cone Frontface Clearance | 2.3 mm |
| Aa - Cage-Cone Backface Clearance | 7.4 mm |
| a - Effective Center Location3 | 69.3 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 38100 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 147000 lbf |
| C0 - Static Radial Rating | 412000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 28600 lbf |
| K - Factor7 | 1.33 |
| e - ISO Factor8 | 0.44 |
| Y - ISO Factor9 | 1.37 |
| G1 - Heat Generation Factor (Roller-Raceway) | 5880 |
| G2 - Heat Generation Factor (Rib-Roller End) | 1625 |
| Cg - Geometry Factor | 0.246 |