7030B KOYO Single-row, matched pair angular contact ball bearings
| Brand Name: |
KOYO |
| Model Number: |
7030B |
| Series: |
18700 |
| Cone Part Number: |
18790 |
| Cup Part Number: |
18723 |
| Design Units: |
Imperial |
| Bearing Weight: |
0.5 Kg |
| Cage Type: |
Stamped Steel |
| d: |
50.8 mm |
| D: |
88.900 mm |
| PDF |
7030B |
Product Details
| Series |
18700 |
| Cone Part Number |
18790 |
| Cup Part Number |
18723 |
| Design Units |
Imperial |
| Bearing Weight |
0.5 Kg |
| Cage Type |
Stamped Steel |
| d |
50.8 mm |
| D |
88.900 mm |
| B - Cone Width |
17.463 mm |
| C - Cup Width |
16.670 mm |
| B |
20.638 mm |
| R - Cone Backface To Clear Radius1 |
3.560 mm |
| r - Cup Backface To Clear Radius2 |
1.27 mm |
| da - Cone Frontface Backing Diameter |
55.88 mm |
| db - Cone Backface Backing Diameter |
61.98 mm |
| Da - Cup Frontface Backing Diameter |
83.06 mm |
| Db - Cup Backface Backing Diameter |
77.98 mm |
| Ab - Cage-Cone Frontface Clearance |
2.3 mm |
| Aa - Cage-Cone Backface Clearance |
0.5 mm |
| a - Effective Center Location3 |
-0.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
3190 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
12300 lbf |
| C0 - Static Radial Rating |
15200 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
2210 lbf |
| K - Factor7 |
1.44 |
| e - ISO Factor8 |
0.41 |
| Y - ISO Factor9 |
1.48 |
| G1 - Heat Generation Factor (Roller-Raceway) |
28.6 |
| G2 - Heat Generation Factor (Rib-Roller End) |
21.5 |
| Cg - Geometry Factor |
0.0789 |