NNU4972 NTN Tapered Roller Bearing
What are the types of NNU4972 NTN Tapered Roller Bearing ? Cylindrical Roller Bearing Manufacturing Service NACHI BEARINGS OF AMERICA CORP. 2.5 in B - Cone Width . Get Your Free, Instant price, design review.
| Brand Name: | NTN |
| Model Number: | NNU4972 |
| B - Cone Width: | 2.5 in |
| Cage Type: | Stamped Steel |
| C0 - Static Radial Rating: | 242000 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 258000 lbf |
| K - Factor8: | 1.25 |
| Design Units: | Imperial |
| G1 - Heat Generation Factor (Roller-Raceway): | 692.3 |
| Cone Part Number: | 94669 |
| PDF |
NNU4972 |
Product Details
| B - Cone Width | 2.5 in |
| Cage Type | Stamped Steel |
| C0 - Static Radial Rating | 242000 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 258000 lbf |
| K - Factor8 | 1.25 |
| Design Units | Imperial |
| G1 - Heat Generation Factor (Roller-Raceway) | 692.3 |
| Cone Part Number | 94669 |
| Aa - Cage-Cone Backface Clearance | 0.24 in |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 67000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 30800 lbf |
| R - Cone Backface To Clear Radius3 | 0.280 in |
| d | 6.6923 in |
| da - Cone Frontface Backing Diameter | 7.44 in |
| db - Cone Backface Backing Diameter | 7.91 in |
| Cg - Geometry Factor | 0.129 |
| Series | 94000 |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 148000 lbf |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 38500 lbf |
| a - Effective Center Location4 | -0.03 in |
