70/53 KOYO Single-row, matched pair angular contact ball bearings
| Brand Name: |
KOYO |
| Model Number: |
70/53 |
| Series: |
14000 |
| Cone Part Number: |
14139 |
| Cup Part Number: |
14274A |
| Design Units: |
Imperial |
| Bearing Weight: |
0.30 Kg |
| Cage Type: |
Stamped Steel |
| d: |
34.976 mm |
| D: |
68.956 mm |
Product Details
| Series |
14000 |
| Cone Part Number |
14139 |
| Cup Part Number |
14274A |
| Design Units |
Imperial |
| Bearing Weight |
0.30 Kg |
| Cage Type |
Stamped Steel |
| d |
34.976 mm |
| D |
68.956 mm |
| B - Cone Width |
19.583 mm |
| C - Cup Width |
15.875 mm |
| B |
19.845 mm |
| R - Cone Backface To Clear Radius1 |
1.270 mm |
| r - Cup Backface To Clear Radius2 |
3.30 mm |
| da - Cone Frontface Backing Diameter |
40.89 mm |
| db - Cone Backface Backing Diameter |
42.42 mm |
| Da - Cup Frontface Backing Diameter |
63.00 mm |
| Db - Cup Backface Backing Diameter |
58.93 mm |
| Ab - Cage-Cone Frontface Clearance |
1.8 mm |
| Aa - Cage-Cone Backface Clearance |
0.5 mm |
| a - Effective Center Location3 |
-4.3 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
3180 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
12300 lbf |
| C0 - Static Radial Rating |
13900 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
2080 lbf |
| K - Factor7 |
1.53 |
| e - ISO Factor8 |
0.38 |
| Y - ISO Factor9 |
1.57 |
| G1 - Heat Generation Factor (Roller-Raceway) |
18 |
| G2 - Heat Generation Factor (Rib-Roller End) |
13.3 |
| Cg - Geometry Factor |
0.0668 |