Needle Roller Bearings With Inner Ring,NKI20/16 NA4904 NKIS20
Needle roller bearings are designed with double-row raceway inner ring, spherical raceway outer ring and the convex symmetrical rollers. With the same center as the bearings, the spherically formed outer ring raceway can make self alignment, which can adapt the deflection between axis and housing bore.
The Number of Rows: Double
Bearing Material:Chrome steel ,carbon steel ,Gcr15
Cage Material: Brass Cage, Steel Cage
Precision Rating:P0, P6, P5 ,P4 ,P2
Brand Name:YW or OEM
Needle Roller Bearings With Inner Ring ,Shaft Diameter 20mm:
| Bearing Number | Dimension(mm) | Basic load rating (N) | Limiting Speeds(r/min) |
Mass Approx (g) |
|||||
| Current | Original Code | d | Fw | D | C | Cr Dyamic | Cor Static | Oil | |
| NKI20/16 | - | 20 | 24 | 32 | 16 | 10800 | 17000 | 16700 | 48.5 |
| NA4904 | 4524904 | 20 | 25 | 37 | 17 | 11912 | 16594 | 16200 | 70.2 |
| NKIS20 | - | 20 | 28 | 42 | 20 | 16500 | 35500 | 14000 | 119 |
This kind of bearings can take great radial load, suitable for heavy machines used in paper-making, mining, vibration sieve, rolling mill and so on.
YW Advantage:
- High Quality
- ISO9001:2000
- TS16949:2009
- Reasonable Price
- Good after Service
