140 mm x 190 mm x 50 mm Timken NA4928 needle roller bearings
140 mm x 190 mm x 50 mm Timken NA4928 needle roller bearings Manufacturers 140 mm x 190 mm x 50 mm 88.9 mm da , BEARING Driveshaft USA CORP. Online 40.084 mm s Wholesale Suppliers !
What is NA4928 bearing cross reference？
| Brand Name: | Timken |
| Model Number: | NA4928 |
| Series: | LM770900 |
| Cone Part Number: | LM770945 |
| Cup Part Number: | LM770910 |
| Design Units: | Imperial |
| Bearing Weight: | 63.9 Kg |
| Cage Type: | Stamped Steel |
| d: | 450.850 mm |
| D: | 603.250 mm |
| PDF |
NA4928 |
Product Details
| Series | LM770900 |
| Cone Part Number | LM770945 |
| Cup Part Number | LM770910 |
| Design Units | Imperial |
| Bearing Weight | 63.9 Kg |
| Cage Type | Stamped Steel |
| d | 450.850 mm |
| D | 603.250 mm |
| B - Cone Width | 84.138 mm |
| C - Cup Width | 60.325 mm |
| B | 85.725 mm |
| R - Cone Backface To Clear Radius1 | 6.35 mm |
| r - Cup Backface To Clear Radius2 | 3.30 mm |
| da - Cone Frontface Backing Diameter | 473.96 mm |
| db - Cone Backface Backing Diameter | 484.12 mm |
| Da - Cup Frontface Backing Diameter | 581.66 mm |
| Db - Cup Backface Backing Diameter | 569.98 mm |
| Ab - Cage-Cone Frontface Clearance | 5.1 mm |
| Aa - Cage-Cone Backface Clearance | 12.2 mm |
| a - Effective Center Location3 | 30.5 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 86800 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 335000 lbf |
| C0 - Static Radial Rating | 773000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 67300 lbf |
| K - Factor7 | 1.29 |
| e - ISO Factor8 | 0.45 |
| Y - ISO Factor9 | 1.32 |
| G1 - Heat Generation Factor (Roller-Raceway) | 4660 |
| G2 - Heat Generation Factor (Rib-Roller End) | 537 |
| Cg - Geometry Factor | 0.237 |
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