NTN NF221 cylindrical roller bearings
| Brand Name |
NTN |
| Model Number |
NF221 |
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
NTN NF221 bearing Size Chart (mm/inches) |
|---|
| Bore Type | Cylindrical Bore |
| Enclosure | Open |
| Configuration | Double Row |
| Roller Profile | Symmetric |
| Center Guidance | Floating Steel Ring |
| Retainer Material | Pressed Steel |
| Nr. of Holes | 6 |
| Weight | 7.930 kg |
| d | 130 mm |
| D | 200 mm |
| B | 69 mm |
| Fillet Radius/Chamfer | 2 mm |
| Groove Width A | 11 mm |
| Hole Diameter (do) | 6 mm |
| Dynamic Load Rating | 710,000 N |
| Static Load Rating | 900,000 N |
| Limiting Speed - Grease | 2,600 rpm |
| Limiting Speed - Oil | 3,300 rpm |
| Constant e | 0.32 |
| Axial Load Factor Y0 | 2.09 |
| Axial Load Factor Y1 | 2.14 |
| Axial Load Factor Y2 | 3.18 |
| Radial Clearance | 0.145 to 0.190 mm |
| da (min) | 140 mm |
| Da (max) | 190 mm |
| ra (max) | 2 mm |