KOYO NK19/20A Needle Non Thrust Roller Bearings
Offer High Quality Brand Tapered Bore Bore Type KOYO NK19/20A Needle Non Thrust Roller Bearings .Contact Open Enclosure Us JiNan Hope Hydraulic Co., Itd Online to Get Best Quote.
Product Details
| Bore Type | Tapered Bore |
| Enclosure | Open |
| Configuration | Double Row |
| Roller Profile | Symmetric |
| Center Guidance | Fixed Inner Ring Rib |
| Retainer Material | Machined Brass |
| Nr. of Holes | 8 |
| Weight | 148.000 kg |
| d | 360 mm |
| D | 540 mm |
| B | 180 mm |
| Fillet Radius/Chamfer | 5 mm |
| Groove Width A | 32 mm |
| Hole Diameter (do) | 15 mm |
| Dynamic Load Rating | 4,250,000 N |
| Static Load Rating | 6,350,000 N |
| Limiting Speed - Grease | 670 rpm |
| Limiting Speed - Oil | 840 rpm |
| Constant e | 0.33 |
| Axial Load Factor Y0 | 2.01 |
| Axial Load Factor Y1 | 2.06 |
| Axial Load Factor Y2 | 3.06 |
| Radial Clearance | 0.300 to 0.400 mm |
| da (min) | 382 mm |
| Da (max) | 518 mm |
| ra (max) | 4 mm |
