NN304 TIMKEN Double row cylindrical roller bearings
| Brand Name: |
TIMKEN |
| Model Number: |
NN304 |
| Series: |
HM535300 |
| Cone Part Number: |
HM535349 |
| Cup Part Number: |
HM535310 |
| Design Units: |
Imperial |
| Bearing Weight: |
12.2 Kg |
| Cage Type: |
Stamped Steel |
| d: |
171.450 mm |
| D: |
260.350 mm |
Product Details
| Series |
HM535300 |
| Cone Part Number |
HM535349 |
| Cup Part Number |
HM535310 |
| Design Units |
Imperial |
| Bearing Weight |
12.2 Kg |
| Cage Type |
Stamped Steel |
| d |
171.450 mm |
| D |
260.350 mm |
| B - Cone Width |
66.675 mm |
| C - Cup Width |
52.388 mm |
| B |
66.675 mm |
| R - Cone Backface To Clear Radius1 |
3.560 mm |
| r - Cup Backface To Clear Radius2 |
3.30 mm |
| da - Cone Frontface Backing Diameter |
187.96 mm |
| db - Cone Backface Backing Diameter |
192.02 mm |
| Da - Cup Frontface Backing Diameter |
250.44 mm |
| Db - Cup Backface Backing Diameter |
235.97 mm |
| Ab - Cage-Cone Frontface Clearance |
3.3 mm |
| Aa - Cage-Cone Backface Clearance |
5.3 mm |
| a - Effective Center Location3 |
-8.6 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
38100 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
147000 lbf |
| C0 - Static Radial Rating |
265000 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
26200 lbf |
| K - Factor7 |
1.45 |
| e - ISO Factor8 |
0.4 |
| Y - ISO Factor9 |
1.49 |
| G1 - Heat Generation Factor (Roller-Raceway) |
750 |
| G2 - Heat Generation Factor (Rib-Roller End) |
116 |
| Cg - Geometry Factor |
0.126 |