4CR32 KOYO Four-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
4CR32 |
| Series: |
575 |
| Cone Part Number: |
581 |
| Cup Part Number: |
572DC |
| Design Units: |
Imperial |
| Bearing Weight: |
10.5 lb |
| Cage Type: |
Stamped Steel |
| Ab - Cage-Cone Frontface Clearance: |
0.1 in |
| d: |
3.1875 in |
Product Details
| Series |
575 |
| Cone Part Number |
581 |
| Cup Part Number |
572DC |
| Design Units |
Imperial |
| Bearing Weight |
10.5 lb |
| Cage Type |
Stamped Steel |
| Ab - Cage-Cone Frontface Clearance |
0.1 in |
| d |
3.1875 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 |
3.78 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 |