40 mm x 80 mm x 34 mm KOYO ST4080C tapered roller bearings
| Brand Name: | KOYO |
| Model Number: | ST4080C |
| Series: | HM743300 |
| Cone Part Number: | HM743337 |
| Cup Part Number: | HM743310 |
| Design Units: | Imperial |
| Bearing Weight: | 23.8 Kg |
| Cage Type: | Pin-Type |
| d: | 200.025 mm |
| D: | 333.375 mm |
| PDF |
ST4080C |
Product Details
| Series | HM743300 |
| Cone Part Number | HM743337 |
| Cup Part Number | HM743310 |
| Design Units | Imperial |
| Bearing Weight | 23.8 Kg |
| Cage Type | Pin-Type |
| d | 200.025 mm |
| D | 333.375 mm |
| B - Cone Width | 69.850 mm |
| C - Cup Width | 52.388 mm |
| B | 69.850 mm |
| R - Cone Backface To Clear Radius1 | 6.35 mm |
| r - Cup Backface To Clear Radius2 | 6.35 mm |
| da - Cone Frontface Backing Diameter | 220.98 mm |
| db - Cone Backface Backing Diameter | 230.89 mm |
| Da - Cup Frontface Backing Diameter | 317.00 mm |
| Db - Cup Backface Backing Diameter | 303.02 mm |
| Ab - Cage-Cone Frontface Clearance | 5.1 mm |
| Aa - Cage-Cone Backface Clearance | 4.6 mm |
| a - Effective Center Location3 | 0.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 53400 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 206000 lbf |
| C0 - Static Radial Rating | 353000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 40200 lbf |
| K - Factor7 | 1.33 |
| e - ISO Factor8 | 0.44 |
| Y - ISO Factor9 | 1.37 |
| G1 - Heat Generation Factor (Roller-Raceway) | 1017.2 |
| G2 - Heat Generation Factor (Rib-Roller End) | 140.1 |
| Cg - Geometry Factor | 0.143 |
