6972 KOYO Single-row deep groove ball bearings
| Brand Name: |
KOYO |
| Model Number: |
6972 |
| Series: |
99000 |
| Cone Part Number: |
99550 |
| Cup Part Number: |
99100W |
| Design Units: |
Imperial |
| Bearing Weight: |
14.000 Kg |
| Cage Type: |
Stamped Steel |
| d: |
139.700 mm |
| D: |
254.000 mm |
| PDF |
6972 |
Product Details
| Series |
99000 |
| Cone Part Number |
99550 |
| Cup Part Number |
99100W |
| Design Units |
Imperial |
| Bearing Weight |
14.000 Kg |
| Cage Type |
Stamped Steel |
| d |
139.700 mm |
| D |
254.000 mm |
| B - Cone Width |
66.675 mm |
| C - Cup Width |
47.625 mm |
| B |
66.675 mm |
| R - Cone Backface To Clear Radius1 |
7.110 mm |
| r - Cup Backface To Clear Radius2 |
0.76 mm |
| da - Cone Frontface Backing Diameter |
155.96 mm |
| db - Cone Backface Backing Diameter |
169.93 mm |
| Da - Cup Frontface Backing Diameter |
238.30 mm |
| Db - Cup Backface Backing Diameter |
227.08 mm |
| Ab - Cage-Cone Frontface Clearance |
4.8 mm |
| Aa - Cage-Cone Backface Clearance |
8.6 mm |
| a - Effective Center Location3 |
-12.2 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
38500 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
148000 lbf |
| C0 - Static Radial Rating |
231000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
26800 lbf |
| K - Factor7 |
1.43 |
| e - ISO Factor8 |
0.41 |
| Y - ISO Factor9 |
1.47 |
| G1 - Heat Generation Factor (Roller-Raceway) |
555.5 |
| G2 - Heat Generation Factor (Rib-Roller End) |
73.5 |
| Cg - Geometry Factor |
0.146 |