4CR950A KOYO Four-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
4CR950A |
| Series: |
HM237500 |
| Cone Part Number: |
HM237540 |
| Cup Part Number: |
HM237511 |
| Design Units: |
Imperial |
| Bearing Weight: |
16 Kg |
| Cage Type: |
Stamped Steel |
| d: |
171.450 mm |
| D: |
288.925 mm |
| PDF |
4CR950A |
Product Details
| Series |
HM237500 |
| Cone Part Number |
HM237540 |
| Cup Part Number |
HM237511 |
| Design Units |
Imperial |
| Bearing Weight |
16 Kg |
| Cage Type |
Stamped Steel |
| d |
171.450 mm |
| D |
288.925 mm |
| B - Cone Width |
63.5 mm |
| C - Cup Width |
47.625 mm |
| B |
63.505 mm |
| R - Cone Backface To Clear Radius1 |
7.110 mm |
| r - Cup Backface To Clear Radius2 |
3.30 mm |
| da - Cone Frontface Backing Diameter |
188.98 mm |
| db - Cone Backface Backing Diameter |
199.9 mm |
| Da - Cup Frontface Backing Diameter |
271.30 mm |
| Db - Cup Backface Backing Diameter |
265.94 mm |
| Ab - Cage-Cone Frontface Clearance |
5.1 mm |
| Aa - Cage-Cone Backface Clearance |
5.1 mm |
| a - Effective Center Location3 |
-11.7 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
56900 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
219000 lbf |
| C0 - Static Radial Rating |
278000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
31100 lbf |
| K - Factor7 |
1.83 |
| e - ISO Factor8 |
0.32 |
| Y - ISO Factor9 |
1.88 |
| G1 - Heat Generation Factor (Roller-Raceway) |
751.2 |
| G2 - Heat Generation Factor (Rib-Roller End) |
101.5 |
| Cg - Geometry Factor |
0.117 |