Needle roller bearing,without an inner ring,with machined rings ,RNA4909 2RS,52x68x22mm,Weight 0.197
- Fw: 52mm
- D: 68mm
- C：22mm:
- r：0.6:
- Basic load rating (Cr): 39.8kN
- Basic load rating(C0r): 74.8kN
- Fatigue load limit(Cu): 8.2kN
- Limiting Speed( grease lub): 5400 min-1
- Limiting Speed(oil lub): 8400min-1
- Mass weight: 0.168kg
China excellent quality Needle roller bearing RNA4909 2RS,machined ring,without inner ring, sealing on both sides.
Powerlong precision machinery supplies a wide range of needle roller bearing with machined ring with or without inner ring.
RNA series of heavy duty needle roller bearing is without inner ring,which are an excellent choice for compact bearing arrangment if the shaft can be hardened and ground and enable a larger shaft diameter and a stiffer bearing arrangment compared to arrangment with bearings with inner rings.
RNA4904 2RS series machined ring needle roller bearings have a contact seal made of NBR ( effective at keeping the lubricant in and contaminants out of the bearing ) on one or both sides.
Bearing Type: Needle roller bearing
Brand: Neutral or OEM brand
Origin: China
Certification: SGS/ISO9001-2000
Material: Chrome steel or Customization
Process method: Lathing
Row: Single row
Seal: Sealing on both sides
Supply ability: 3000pcs/month
Specifications for RNA 4909 2RS, Needle Roller Bearing with a 52mm bore - Premium Range | |
| Reference | RNA 4909 2RS |
| Brand | Premium |
| Inside Diameter | 52mm |
| Outside Diameter | 68mm |
| Width | 22mm |
| Weight (KG) | 0.168 |
Schematic for RNA 4909 2RS, Needle Roller Bearing with a 52mm bore - Premium Range | |
| C | 22mm |
| D | 68mm |
| Fw | 52mm |
Relubrication features:
RNA 2RS series have an addtional lubrication hole in the inner ring.
Application:
RNA4909 2RS are widely used in the engine of motorbike and gearbox.
