NTN 7230B DB Angular Contact Ball Bearings (Single, Duplex)
| Brand Name |
NTN |
| Model Number |
7230B DB |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NTN 7230B DB bearing Size Chart (mm/inches) |
|---|
| Series | 835 |
| Cone Part Number | 841 |
| Cup Part Number | 832-B |
| Design Units | Imperial |
| Bearing Weight | 11.9 lb |
| Cage Type | Stamped Steel |
| d | 3.3750 in |
| D | 6.6250 in |
| D1 - Flange Outer Diameter | 6.9960 in |
| B - Cone Width | 2.2190 in |
| C - Cup Width | 1.6250 in |
| C1 - Cup Flange Width | 0.3750 in |
| T1 - Bearing Width | 2.1250 in |
| T - Bearing Width to Flange | 0.8750 in |
| R - Cone Backface To Clear Radius1 | 0.14 in |
| r - Cup Backface To Clear Radius2 | 0.130 in |
| da - Cone Frontface Backing Diameter | 3.82 in |
| db - Cone Backface Backing Diameter | 4.09 in |
| Da - Cup Frontface Backing Diameter | 6.14 in |
| Ab - Cage-Cone Frontface Clearance | 0.1 in |
| Aa - Cage-Cone Backface Clearance | 0.13 in |
| a - Effective Center Location3 | -0.73 in |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 28300 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 109000 lbf |
| C0 - Static Radial Rating | 117000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 14500 lbf |
| K - Factor7 | 1.95 |
| e - ISO Factor8 | 0.3 |
| Y - ISO Factor9 | 2 |
| G1 - Heat Generation Factor (Roller-Raceway)10 | 198 |
| G2 - Heat Generation Factor (Rib-Roller End) | 34.8 |
| Cg - Geometry Factor11 | 0.0937 |