66FC46380W KOYO Four-row cylindrical roller bearings
| Brand Name: | KOYO |
| Model Number: | 66FC46380W |
| Series: | 2600 |
| Cone Part Number: | 2689 |
| Cup Part Number: | 2631 |
| Design Units: | Imperial |
| Bearing Weight: | 0.4 Kg |
| Cage Type: | Stamped Steel |
| d: | 28.575 mm |
| D: | 66.421 mm |
| PDF |
66FC46380W |
Product Details
| Series | 2600 |
| Cone Part Number | 2689 |
| Cup Part Number | 2631 |
| Design Units | Imperial |
| Bearing Weight | 0.4 Kg |
| Cage Type | Stamped Steel |
| d | 28.575 mm |
| D | 66.421 mm |
| B - Cone Width | 25.433 mm |
| C - Cup Width | 19.050 mm |
| B | 23.813 mm |
| R - Cone Backface To Clear Radius1 | 1.270 mm |
| r - Cup Backface To Clear Radius2 | 1.27 mm |
| da - Cone Frontface Backing Diameter | 36.07 mm |
| db - Cone Backface Backing Diameter | 37.59 mm |
| Da - Cup Frontface Backing Diameter | 60.96 mm |
| Db - Cup Backface Backing Diameter | 57.91 mm |
| Ab - Cage-Cone Frontface Clearance | 1.5 mm |
| Aa - Cage-Cone Backface Clearance | 0.3 mm |
| a - Effective Center Location3 | -9.4 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 4470 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 17200 lbf |
| C0 - Static Radial Rating | 18400 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 1940 lbf |
| K - Factor7 | 2.3 |
| e - ISO Factor8 | 0.25 |
| Y - ISO Factor9 | 2.36 |
| G1 - Heat Generation Factor (Roller-Raceway) | 19.3 |
| G2 - Heat Generation Factor (Rib-Roller End) | 8 |
| Cg - Geometry Factor | 0.0598 |
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