NNU4921 NTN Tapered Roller Bearing
Advance NACHI BEARINGS OF AMERICA CORP. 335.03 mm da - Cone Frontface Backing Diameter NNU4921 NTN Tapered Roller Bearing is your source for quality Cylindrical Roller Bearing and accessories. shop 136.525 mm B online for home delivery or pick up in one of our 10000 .
| Brand Name: |
NTN |
| Model Number: |
NNU4921 |
| B: |
136.525 mm |
| Aa - Cage-Cone Backface Clearance: |
19.1 mm |
| da - Cone Frontface Backing Diameter: |
335.03 mm |
| d: |
304.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4: |
180000 lbf |
| C0 - Static Radial Rating: |
923000 lbf |
| C - Cup Width: |
98.425 mm |
| Cg - Geometry Factor: |
0.19 |
| PDF |
NNU4921 |
Product Details
| B |
136.525 mm |
| Aa - Cage-Cone Backface Clearance |
19.1 mm |
| da - Cone Frontface Backing Diameter |
335.03 mm |
| d |
304.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
180000 lbf |
| C0 - Static Radial Rating |
923000 lbf |
| C - Cup Width |
98.425 mm |
| Cg - Geometry Factor |
0.19 |
| Db - Cup Backface Backing Diameter |
500.89 mm |
| Y - ISO Factor9 |
1.52 |
| B - Cone Width |
136.525 mm |
| D |
558.800 mm |
| Design Units |
Imperial |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
122000 lbf |
| Series |
790000 |
| Da - Cup Frontface Backing Diameter |
515.60 mm |
| G1 - Heat Generation Factor (Roller-Raceway) |
2660 |
| R - Cone Backface To Clear Radius1 |
1.270 mm |
| K - Factor7 |
1.48 |
| db - Cone Backface Backing Diameter |
335.03 mm |