NN493 NTN Tapered Roller Bearing
What are the types of 71.12 mm db - Cone Backface Backing Diameter NN493 NTN Tapered Roller Bearing ? Tapered Roller Bearing Manufacturing Service . Get Your Free, Instant price, design Shanghai Ruonan-Power Co., Ltd. review.
| Brand Name: | NTN |
| Model Number: | NN493 |
| db - Cone Backface Backing Diameter: | 71.12 mm |
| Da - Cup Frontface Backing Diameter: | 114.00 mm |
| Db - Cup Backface Backing Diameter: | 107.95 mm |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6: | 26600 N |
| B: | 31.500 mm |
| r - Cup Backface To Clear Radius2: | 2.03 mm |
| G1 - Heat Generation Factor (Roller-Raceway): | 62.8 |
| a - Effective Center Location3: | -6.6 mm |
Product Details
| db - Cone Backface Backing Diameter | 71.12 mm |
| Da - Cup Frontface Backing Diameter | 114.00 mm |
| Db - Cup Backface Backing Diameter | 107.95 mm |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 | 26600 N |
| B | 31.500 mm |
| r - Cup Backface To Clear Radius2 | 2.03 mm |
| G1 - Heat Generation Factor (Roller-Raceway) | 62.8 |
| a - Effective Center Location3 | -6.6 mm |
| Cup Part Number | Y30311M |
| d | 55.000 mm |
| Cone Part Number | X30311M |
| B - Cone Width | 29.000 mm |
| Y - ISO Factor9 | 1.74 |
| Series | 30311M |
| e - ISO Factor8 | 0.35 |
| C - Cup Width | 25.000 mm |
| da - Cone Frontface Backing Diameter | 70.10 mm |
| C1 - Dynamic Radial Rating (1 million revolutions)5 | 174000 N |
| G2 - Heat Generation Factor (Rib-Roller End) | 24 |
| C90 - Dynamic Radial Rating (90 million revolutions)4 | 45100 N |
Company Profile
| Worktime |
9:00-18:00（Beijing time） |
| Phone |
86-02-8689236 |
