NKE 81228-MB thrust roller bearings
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What is 81228-MB bearing interchange？
| Brand Name: | NKE |
| Model Number: | 81228-MB |
| Series: | 14000 |
| Cone Part Number: | 14138A |
| Cup Part Number: | 14282 |
| Design Units: | Imperial |
| Bearing Weight: | 0.4 Kg |
| Cage Type: | Stamped Steel |
| d: | 34.925 mm |
| D: | 71.996 mm |
| PDF |
81228-MB |
Product Details
| Series | 14000 |
| Cone Part Number | 14138A |
| Cup Part Number | 14282 |
| Design Units | Imperial |
| Bearing Weight | 0.4 Kg |
| Cage Type | Stamped Steel |
| d | 34.925 mm |
| D | 71.996 mm |
| B - Cone Width | 19.583 mm |
| C - Cup Width | 15.032 mm |
| B | 19.002 mm |
| R - Cone Backface To Clear Radius1 | 3.560 mm |
| r - Cup Backface To Clear Radius2 | 1.52 mm |
| da - Cone Frontface Backing Diameter | 40.89 mm |
| db - Cone Backface Backing Diameter | 46.99 mm |
| Da - Cup Frontface Backing Diameter | 66.00 mm |
| Db - Cup Backface Backing Diameter | 61.98 mm |
| Ab - Cage-Cone Frontface Clearance | 1.8 mm |
| Aa - Cage-Cone Backface Clearance | 0.5 mm |
| a - Effective Center Location3 | -4.3 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 3180 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 12300 lbf |
| C0 - Static Radial Rating | 13900 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 2080 lbf |
| K - Factor7 | 1.53 |
| e - ISO Factor8 | 0.38 |
| Y - ISO Factor9 | 1.57 |
| G1 - Heat Generation Factor (Roller-Raceway) | 18 |
| G2 - Heat Generation Factor (Rib-Roller End) | 13.3 |
| Cg - Geometry Factor | 0.0668 |
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