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 |