NNU4988K NTN Cylindrical Roller Bearing
NNU4988K NTN Cylindrical Roller Bearing Manufacturers , Online Wholesale Suppliers 2.24 in db - Cone Backface Backing Diameter ! Bearing Rolamentos do Brasil Ltda.
| Brand Name: | NTN |
| Model Number: | NNU4988K |
| db - Cone Backface Backing Diameter: | 2.24 in |
| R - Cone Backface To Clear Radius3: | 0.14 in |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1: | 35400 lbf |
| Aa - Cage-Cone Backface Clearance: | 0.01 in |
| K - Factor8: | 1.74 |
| a - Effective Center Location4: | -0.25 in |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2: | 9180 lbf |
| da - Cone Frontface Backing Diameter: | 1.97 in |
| PDF |
NNU4988K |
Product Details
| db - Cone Backface Backing Diameter | 2.24 in |
| R - Cone Backface To Clear Radius3 | 0.14 in |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1 | 35400 lbf |
| Aa - Cage-Cone Backface Clearance | 0.01 in |
| K - Factor8 | 1.74 |
| a - Effective Center Location4 | -0.25 in |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2 | 9180 lbf |
| da - Cone Frontface Backing Diameter | 1.97 in |
| G1 - Heat Generation Factor (Roller-Raceway) | 35.2 |
| C0 - Static Radial Rating | 24900 lbf |
| G2 - Heat Generation Factor (Rib-Roller End) | 14.3 |
| Cage Type | Stamped Steel |
| d | 1.7500 in |
| C1 - Dynamic Radial Rating (1 million revolutions)6 | 20300 lbf |
| Series | 25500 |
| B - Cone Width | 1.0000 in |
| C90 - Dynamic Radial Rating (90 million revolutions)5 | 5270 lbf |
| Ab - Cage-Cone Frontface Clearance | 0.06 in |
| Design Units | Imperial |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)7 | 3020 lbf |
