NNU49/1120K NSK Double row cylindrical roller bearings
| Brand Name: |
NSK |
| Model Number: |
NNU49/1120K |
| Series: |
355 |
| Cone Part Number: |
356 |
| Cup Part Number: |
354X |
| Design Units: |
Imperial |
| Bearing Weight: |
0.70 Kg |
| Cage Type: |
Stamped Steel |
| d: |
30.163 mm |
| D: |
85.001 mm |
Product Details
| Series |
355 |
| Cone Part Number |
356 |
| Cup Part Number |
354X |
| Design Units |
Imperial |
| Bearing Weight |
0.70 Kg |
| Cage Type |
Stamped Steel |
| d |
30.163 mm |
| D |
85.001 mm |
| B - Cone Width |
21.692 mm |
| C - Cup Width |
17.463 mm |
| B |
20.635 mm |
| R - Cone Backface To Clear Radius1 |
0.760 mm |
| r - Cup Backface To Clear Radius2 |
1.52 mm |
| da - Cone Frontface Backing Diameter |
39.62 mm |
| db - Cone Backface Backing Diameter |
39.88 mm |
| Da - Cup Frontface Backing Diameter |
80.77 mm |
| Db - Cup Backface Backing Diameter |
76.96 mm |
| Ab - Cage-Cone Frontface Clearance |
2.3 mm |
| Aa - Cage-Cone Backface Clearance |
0 mm |
| a - Effective Center Location3 |
-4.8 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
4770 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
18400 lbf |
| C0 - Static Radial Rating |
20000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
2500 lbf |
| K - Factor7 |
1.91 |
| e - ISO Factor8 |
0.31 |
| Y - ISO Factor9 |
1.96 |
| G1 - Heat Generation Factor (Roller-Raceway) |
30 |
| G2 - Heat Generation Factor (Rib-Roller End) |
12.2 |
| Cg - Geometry Factor |
0.0732 |