4R4426 NTN ROLL NECK BEARINGS for ROLLING MILL
| Brand Name: |
NTN |
| Model Number: |
4R4426 |
| Series: |
M348400 |
| Cone Part Number: |
M348448WS |
| Cup Part Number: |
M348410 |
| Design Units: |
Imperial |
| Bearing Weight: |
17.6 Kg |
| Cage Type: |
Stamped Steel |
| d: |
247.650 mm |
| D: |
346.075 mm |
| PDF |
4R4426 |
Product Details
| Series |
M348400 |
| Cone Part Number |
M348448WS |
| Cup Part Number |
M348410 |
| Design Units |
Imperial |
| Bearing Weight |
17.6 Kg |
| Cage Type |
Stamped Steel |
| d |
247.650 mm |
| D |
346.075 mm |
| B - Cone Width |
63.5 mm |
| C - Cup Width |
50.800 mm |
| B |
63.503 mm |
| R - Cone Backface To Clear Radius1 |
6.35 mm |
| r - Cup Backface To Clear Radius2 |
6.35 mm |
| da - Cone Frontface Backing Diameter |
262.89 mm |
| db - Cone Backface Backing Diameter |
273.05 mm |
| Da - Cup Frontface Backing Diameter |
332.99 mm |
| Db - Cup Backface Backing Diameter |
321.06 mm |
| Ab - Cage-Cone Frontface Clearance |
4.8 mm |
| Aa - Cage-Cone Backface Clearance |
3 mm |
| a - Effective Center Location3 |
-1.3 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
49500 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
191000 lbf |
| C0 - Static Radial Rating |
365000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
29100 lbf |
| K - Factor7 |
1.7 |
| e - ISO Factor8 |
0.34 |
| Y - ISO Factor9 |
1.75 |
| G1 - Heat Generation Factor (Roller-Raceway) |
1450.8 |
| G2 - Heat Generation Factor (Rib-Roller End) |
212.9 |
| Cg - Geometry Factor |
0.148 |