NNUB4920-8 TIMKEN Double row cylindrical roller bearings
| Brand Name: |
TIMKEN |
| Model Number: |
NNUB4920-8 |
| Series: |
M272700 |
| Cone Part Number: |
M272749DW |
| Design Units: |
Imperial |
| Cage Type: |
Pin-Type |
| db - Cone Backface Backing Diameter: |
20.08 in |
| C1 - Dynamic Radial Rating (1 million revolutions)1: |
839000 lbf |
| C0 - Static Radial Rating: |
1660000 lbf |
| d: |
18.8750 in |
Product Details
| Series |
M272700 |
| Cone Part Number |
M272749DW |
| Design Units |
Imperial |
| Cage Type |
Pin-Type |
| db - Cone Backface Backing Diameter |
20.08 in |
| C1 - Dynamic Radial Rating (1 million revolutions)1 |
839000 lbf |
| C0 - Static Radial Rating |
1660000 lbf |
| d |
18.8750 in |
| B - Double Cone Width |
9.3750 in |
| R - Cone Frontface To Clear Radius2 |
0.130 in |
| da - Cone Frontface Backing Diameter |
20.08 in |
| Ab - Cage-Cone Frontface Clearance |
0.41 in |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 |
218000 lbf |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 |
1460000 lbf |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 |
379000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
124000 lbf |
| K - Factor7 |
1.76 |
| G1 - Heat Generation Factor (Roller-Raceway)8 |
8110 |
| G2 - Heat Generation Factor (Rib-Roller End) |
508 |
| Cg - Geometry Factor9 |
0.26 |