44FC34180A KOYO Four-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | 44FC34180A |
| Series: | 33021 |
| Cone Part Number: | X33021 |
| Cup Part Number: | Y33021 |
| Design Units: | METRIC |
| Bearing Weight: | 3.0 Kg |
| Cage Type: | Stamped Steel |
| d: | 105.000 mm |
| D: | 160.000 mm |
| PDF |
44FC34180A |
Product Details
| Series | 33021 |
| Cone Part Number | X33021 |
| Cup Part Number | Y33021 |
| Design Units | METRIC |
| Bearing Weight | 3.0 Kg |
| Cage Type | Stamped Steel |
| d | 105.000 mm |
| D | 160.000 mm |
| B - Cone Width | 43 mm |
| C - Cup Width | 34 mm |
| B | 43.000 mm |
| R - Cone Backface To Clear Radius1 | 2.540 mm |
| r - Cup Backface To Clear Radius2 | 2.03 mm |
| da - Cone Frontface Backing Diameter | 113.03 mm |
| db - Cone Backface Backing Diameter | 118.11 mm |
| Da - Cup Frontface Backing Diameter | 153.16 mm |
| Db - Cup Backface Backing Diameter | 147.07 mm |
| Ab - Cage-Cone Frontface Clearance | 3.8 mm |
| Aa - Cage-Cone Backface Clearance | 2.5 mm |
| a - Effective Center Location3 | -12.2 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 75400 N |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 291000 N |
| C0 - Static Radial Rating | 449000 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 36500 N |
| K - Factor7 | 2.07 |
| e - ISO Factor8 | 0.28 |
| Y - ISO Factor9 | 2.12 |
| G1 - Heat Generation Factor (Roller-Raceway) | 236.3 |
| G2 - Heat Generation Factor (Rib-Roller End) | 54.8 |
| Cg - Geometry Factor | 0.0975 |
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