NNU4934 KOYO Double-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
NNU4934 |
| Series: |
H247500 |
| Cone Part Number: |
H247549 |
| Cup Part Number: |
H247510 |
| Design Units: |
Imperial |
| Bearing Weight: |
50.000 Kg |
| Cage Type: |
Stamped Steel |
| d: |
234.95 mm |
| D: |
384.175 mm |
| PDF |
NNU4934 |
Product Details
| Series |
H247500 |
| Cone Part Number |
H247549 |
| Cup Part Number |
H247510 |
| Design Units |
Imperial |
| Bearing Weight |
50.000 Kg |
| Cage Type |
Stamped Steel |
| d |
234.95 mm |
| D |
384.175 mm |
| B - Cone Width |
112.713 mm |
| C - Cup Width |
90.488 mm |
| B |
112.713 mm |
| R - Cone Backface To Clear Radius1 |
6.35 mm |
| r - Cup Backface To Clear Radius2 |
6.35 mm |
| da - Cone Frontface Backing Diameter |
259.08 mm |
| db - Cone Backface Backing Diameter |
268.99 mm |
| Da - Cup Frontface Backing Diameter |
363.70 mm |
| Db - Cup Backface Backing Diameter |
345.95 mm |
| Ab - Cage-Cone Frontface Clearance |
4.1 mm |
| Aa - Cage-Cone Backface Clearance |
9.4 mm |
| a - Effective Center Location3 |
-27.9 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
97600 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
377000 lbf |
| C0 - Static Radial Rating |
699000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
55600 lbf |
| K - Factor7 |
1.76 |
| e - ISO Factor8 |
0.33 |
| Y - ISO Factor9 |
1.8 |
| G1 - Heat Generation Factor (Roller-Raceway) |
1960 |
| G2 - Heat Generation Factor (Rib-Roller End) |
148 |
| Cg - Geometry Factor |
0.164 |