N321 KOYO Single-row cylindrical roller bearings
| Brand Name: |
KOYO |
| Model Number: |
N321 |
| Series: |
335 |
| Cone Part Number: |
346 |
| Cup Part Number: |
332A |
| Design Units: |
Imperial |
| Bearing Weight: |
0.6 Kg |
| Cage Type: |
Stamped Steel |
| d: |
31.750 mm |
| D: |
80 mm |
| PDF |
N321 |
Product Details
| Series |
335 |
| Cone Part Number |
346 |
| Cup Part Number |
332A |
| Design Units |
Imperial |
| Bearing Weight |
0.6 Kg |
| Cage Type |
Stamped Steel |
| d |
31.750 mm |
| D |
80 mm |
| B - Cone Width |
22.403 mm |
| C - Cup Width |
21.001 mm |
| B |
24.176 mm |
| R - Cone Backface To Clear Radius1 |
0.760 mm |
| r - Cup Backface To Clear Radius2 |
2.29 mm |
| da - Cone Frontface Backing Diameter |
39.62 mm |
| db - Cone Backface Backing Diameter |
39.88 mm |
| Da - Cup Frontface Backing Diameter |
75.90 mm |
| Db - Cup Backface Backing Diameter |
71.12 mm |
| Ab - Cage-Cone Frontface Clearance |
1.8 mm |
| Aa - Cage-Cone Backface Clearance |
0 mm |
| a - Effective Center Location3 |
-6.4 mm |
| C90 - Dynamic Radial Rating (90 million revolutions)4 |
5490 lbf |
| C1 - Dynamic Radial Rating (1 million revolutions)5 |
21200 lbf |
| C0 - Static Radial Rating |
18700 lbf |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
2570 lbf |
| K - Factor7 |
2.14 |
| e - ISO Factor8 |
0.27 |
| Y - ISO Factor9 |
2.2 |
| G1 - Heat Generation Factor (Roller-Raceway) |
26.5 |
| G2 - Heat Generation Factor (Rib-Roller End) |
13 |
| Cg - Geometry Factor |
0.0676 |