4CR950A KOYO Four-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
4CR950A |
| Series: |
1700 |
| Cone Part Number: |
1779 |
| Cup Part Number: |
1729 |
| Design Units: |
Imperial |
| Bearing Weight: |
0.20 Kg |
| Cage Type: |
Stamped Steel |
| d: |
23.813 mm |
| D: |
56.896 mm |
| PDF |
4CR950A |
Product Details
| Series |
1700 |
| Cone Part Number |
1779 |
| Cup Part Number |
1729 |
| Design Units |
Imperial |
| Bearing Weight |
0.20 Kg |
| Cage Type |
Stamped Steel |
| d |
23.813 mm |
| D |
56.896 mm |
| B - Cone Width |
19.837 mm |
| C - Cup Width |
15.875 mm |
| B |
19.368 mm |
| R - Cone Backface To Clear Radius1 |
0.760 mm |
| r - Cup Backface To Clear Radius2 |
1.27 mm |
| da - Cone Frontface Backing Diameter |
28.45 mm |
| db - Cone Backface Backing Diameter |
29.46 mm |
| Da - Cup Frontface Backing Diameter |
51.10 mm |
| Db - Cup Backface Backing Diameter |
49.02 mm |
| Ab - Cage-Cone Frontface Clearance |
2 mm |
| Aa - Cage-Cone Backface Clearance |
0.3 mm |
| a - Effective Center Location3 |
-6.9 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
2650 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
10200 lbf |
| C0 - Static Radial Rating |
10200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
1390 lbf |
| K - Factor7 |
1.9 |
| e - ISO Factor8 |
0.31 |
| Y - ISO Factor9 |
1.95 |
| G1 - Heat Generation Factor (Roller-Raceway) |
10.6 |
| G2 - Heat Generation Factor (Rib-Roller End) |
5.39 |
| Cg - Geometry Factor |
0.0521 |