7056 KOYO Single-row, matched pair angular contact ball bearings
| Brand Name: | KOYO |
| Model Number: | 7056 |
| Series: | 575 |
| Cone Part Number: | 578 |
| Cup Part Number: | 572DC |
| Design Units: | Imperial |
| Bearing Weight: | 10.66 lb |
| Cage Type: | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance: | 0.1 in |
| d: | 3.1490 in |
| PDF |
7056 |
Product Details
| Series | 575 |
| Cone Part Number | 578 |
| Cup Part Number | 572DC |
| Design Units | Imperial |
| Bearing Weight | 10.66 lb |
| Cage Type | Stamped Steel |
| Ab - Cage-Cone Frontface Clearance | 0.1 in |
| d | 3.1490 in |
| D | 5.5115 in |
| B - Cone Width | 1.4212 in |
| C - Double Cup Width | 2.6250 in |
| T - Bearing Width across Cones | 3.2500 in |
| R - Cone Backface To Clear Radius1 | 0.14 in |
| r - Cup Frontface To Clear Radius2 | 0.03 in |
| db - Cone Backface Backing Diameter | 3.74 in |
| Da - Cup Frontface Backing Diameter | 5.25 in |
| Aa - Cage-Cone Backface Clearance | 0.12 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 | 12100 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 | 80900 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 | 21000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 8330 lbf |
| K - Factor7 | 1.45 |
| e - ISO Factor8 | 0.4 |
| Y1 - ISO Factor9 | 1.67 |
| Y2 - ISO Factor10 | 2.49 |
| G1 - Heat Generation Factor (Roller-Raceway)11 | 126 |
| G2 - Heat Generation Factor (Rib-Roller End) | 32 |
| Cg - Geometry Factor12 | 0.13 |
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