INA Needle Roller Bearings Series NA4904-XL
#Grup produk P104840944
Spesifikasi
| Bore Diameter (mm) | 20 |
|---|---|
| Outside Diameter (mm) | 37 |
| Width (mm) | 17 |
| Basic Dynamic Load Rating (Radial) (N) | 23700 |
| Basic Static Load Rating (Radial) (N) | 25500 |
| Fatigue Load Limit (Radial) (N) | 4700 |
| Raceway Diameter Inner Ring (mm) | 25 |
| Minimum Chamfer Dimension (mm) | 0.3 |
| Axial Displacement (mm) | 0.8 |
| Limiting Speed (rpm) | 16900 |
| Maximum Operating Temperature (°C) | 120 |
| Minimum Operating Temperature (°C) | -30 |
| Reference Speed (rpm) | 9400 |
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Informasi Produk
Description
Needle roller bearings are rolling bearings with a low radial section height and high load carrying capacity, which are used as non-locating bearings and are part of the group of radial needle roller bearings. These bearings comprise machined outer rings, needle roller and cage assemblies and removable inner rings, i.e. they can be supplied with or without an inner ring in accordance with the application . In contrast to the outer cups of drawn cup needle roller bearings, which are produced by forming methods, the bearing rings are machined. Due to their non-locating bearing function, the bearings cannot guide the shaft axially in any direction.
Warning
2686NA4904-XLFeature
Dimension series 49, to DIN 617/ISO 1206The bearings:
- Can support high to very high radial forces
- Are used when the load carrying capacity or accuracy of drawn cup needle roller bearings with open ends is no longersufficient and the high load capacity of cylindrical roller bearings is not yet required
- Can only support radial loads and, as a result, are highly suitable for use as non-locating bearings (they permit axial displacement of the shaft relative to the housing in the bearing)
- Permit high speeds in spite of line contact
- Compensate misalignments between the shaft and housing (aligning needle roller bearings)
- Require only a very small radial design envelope, particularly if the bearing arrangement is designed without an inner ring
- Are available in numerous sizes and designs
- Result in particularly compact, cost-effective and economical bearing arrangements
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