NN4921K NTN Cylindrical Roller Bearing
NN4921K NTN Cylindrical Roller Bearing, Units and Housings CAD models , Tapered Roller Bearing Manufacturing Service . Get Your LLC NTN-SNR BEARINGS RUS Free. 2 mm ra (max)
| Brand Name: |
NTN |
| Model Number: |
NN4921K |
| ra (max): |
2 mm |
| Nr. of Holes: |
6 |
| Constant e: |
0.39 |
| Da (max): |
258 mm |
| Center Guidance: |
Floating Steel Ring |
| Dynamic Load Rating: |
1,450,000 N |
| Axial Load Factor Y0: |
1.70 |
| Limiting Speed - Grease: |
2,000 rpm |
| PDF |
NN4921K |
Product Details
| ra (max) |
2 mm |
| Nr. of Holes |
6 |
| Constant e |
0.39 |
| Da (max) |
258 mm |
| Center Guidance |
Floating Steel Ring |
| Dynamic Load Rating |
1,450,000 N |
| Axial Load Factor Y0 |
1.70 |
| Limiting Speed - Grease |
2,000 rpm |
| B |
109 mm |
| d |
160 mm |
| Hole Diameter (do) |
10 mm |
| D |
270 mm |
| Axial Load Factor Y1 |
1.74 |
| Axial Load Factor Y2 |
2.59 |
| da (min) |
172 mm |
| Enclosure |
Open |
| Retainer Material |
Pressed Steel |
| Limiting Speed - Oil |
2,500 rpm |
| Weight |
25.500 kg |
| Radial Clearance |
0.110 to 0.170 mm |