28 mm x 68 mm x 18 mm ISO 303/28 tapered roller bearings
| Brand Name: | ISO |
| Model Number: | 303/28 |
| Series: | LM281800 |
| Cone Part Number: | LM281849 |
| Cup Part Number: | LM281810 |
| Design Units: | Imperial |
| Bearing Weight: | 246.200 Kg |
| Cage Type: | Pin-Type |
| d: | 679.450 mm |
| D: | 901.700 mm |
| PDF |
303/28 |
Product Details
| Series | LM281800 |
| Cone Part Number | LM281849 |
| Cup Part Number | LM281810 |
| Design Units | Imperial |
| Bearing Weight | 246.200 Kg |
| Cage Type | Pin-Type |
| d | 679.450 mm |
| D | 901.700 mm |
| B - Cone Width | 142.875 mm |
| C - Cup Width | 111.125 mm |
| B | 142.875 mm |
| R - Cone Backface To Clear Radius1 | 9.650 mm |
| r - Cup Backface To Clear Radius2 | 6.35 mm |
| da - Cone Frontface Backing Diameter | 713.99 mm |
| db - Cone Backface Backing Diameter | 725.93 mm |
| Da - Cup Frontface Backing Diameter | 871.98 mm |
| Db - Cup Backface Backing Diameter | 851.92 mm |
| Ab - Cage-Cone Frontface Clearance | 9.1 mm |
| Aa - Cage-Cone Backface Clearance | 10.7 mm |
| a - Effective Center Location3 | 6.9 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 292000 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 1130000 lbf |
| C0 - Static Radial Rating | 2480000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 166000 lbf |
| K - Factor7 | 1.76 |
| e - ISO Factor8 | 0.33 |
| Y - ISO Factor9 | 1.8 |
| G1 - Heat Generation Factor (Roller-Raceway) | 16300 |
| G2 - Heat Generation Factor (Rib-Roller End) | 961 |
| Cg - Geometry Factor | 0.325 |
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