SKU: 7218A5TRSUMP4-NSK
NSK 7218A5TRSUMP4 Super Precision Angular Contact Spindle Bearing 90x160x30mm
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Description
NSK Super Precision Spindle Bearings: NSK Super Precision Angular Contact Spindle Bearings are single-row angular contact ball bearings. They are manufactured in such a way that they can be mounted in any arrangement without suffering performance losses, and can be combined in different sets. This brings essential logistical advantages, especially in spare parts purchasing and stock-keeping. The bearings can be
arranged according to the symbol on the outer ring surface.
The NSK range of Super Precision Bearings for main spindles in machine tools is among the most sophisticated in the world and represents the highest-performance technology.
This item is supplied as a single bearing.
Benefits: Trusted world-renowned NSK brand, highest precision, excellent speed ability.
- Brand / Quality:
- NSK - High Quality
- Inside Diameter:
- 90mm
- Outside Diameter:
- 160mm
- Width:
- 30mm
- Seals / Shields:
- None
- Style:
- Single Universal Matchable Bearing
- Contact Angle:
- 25 Degree contact angle
- Bearing Preload:
- Medium preload
Technical
| --- | Bearing dimensions |
|---|---|
| d | 90mm |
| D | 160mm |
| B | 30mm |
| r<sub>min</sub> | 2mm |
| r1<sub>min</sub> | 1mm |
| --- | Loads angles and speeds |
| C<sub>r</sub> | 123Kn |
| C<sub>or</sub> | 100kN |
| Axial load Kn | 83.5 kN |
| Contact angle | 25 degrees |
| Factor f<sub>o</sub> | - |
| Effective diameter | 44.1mm |
| Max speed in grease | 8000 rpm |
| Max speed in oil | 12000 rpm |
| --- | Fitting dimensions |
| d<sub>a min</sub> | 100mm |
| D<sub>a max</sub> | 150mm |
| D<sub>b max</sub> | 154mm |
| r<sub>a max</sub> | 2mm |
| r<sub>b max</sub> | 1mm |
| Weight | 2.31kg |
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