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 |