30252 NSK Double Direction Thrust Bearings
| Brand Name: | NSK |
| Model Number: | 30252 |
| Series: | M88000 |
| Cone Part Number: | M88040A |
| Cup Part Number: | M88022 |
| Design Units: | Imperial |
| Bearing Weight: | 0.5 Kg |
| Cage Type: | Stamped Steel |
| d: | 28.575 mm |
| D: | 76.2 mm |
| PDF |
30252 |
Product Details
| Series | M88000 |
| Cone Part Number | M88040A |
| Cup Part Number | M88022 |
| Design Units | Imperial |
| Bearing Weight | 0.5 Kg |
| Cage Type | Stamped Steel |
| d | 28.575 mm |
| D | 76.2 mm |
| B - Cone Width | 22.225 mm |
| C - Cup Width | 17.463 mm |
| B | 22.225 mm |
| R - Cone Backface To Clear Radius1 | 0.25 mm |
| r - Cup Backface To Clear Radius2 | 0.76 mm |
| da - Cone Frontface Backing Diameter | 40.89 mm |
| db - Cone Backface Backing Diameter | 39.88 mm |
| Da - Cup Frontface Backing Diameter | 68.10 mm |
| Db - Cup Backface Backing Diameter | 61.98 mm |
| Ab - Cage-Cone Frontface Clearance | 1.5 mm |
| Aa - Cage-Cone Backface Clearance | 1.3 mm |
| a - Effective Center Location3 | -2.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 4450 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 17100 lbf |
| C0 - Static Radial Rating | 17400 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 4160 lbf |
| K - Factor7 | 1.07 |
| e - ISO Factor8 | 0.55 |
| Y - ISO Factor9 | 1.1 |
| G1 - Heat Generation Factor (Roller-Raceway) | 19.4 |
| G2 - Heat Generation Factor (Rib-Roller End) | 10 |
| Cg - Geometry Factor | 0.0771 |
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