Description
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NN3088-AS-M-SP-Super precision cylindrical roller bearings
NN3088-AS-M-SP IS belong to Radial Super Precision Bearings ,The Main features：non-locating bearing, double row, separable, with cage.Mainly used on the spindle.
| Dimensional Specifications/Calculation data | |
| d(Bore diameter) | 440 mm |
| D(Outside diameter) | 650 mm |
| B(Width) | 157 mm |
| Cr(Basic dynamic load rating, radial) | 2,430,000 N |
| C0r(Basic static load rating, radial) | 5,100,000 N |
| Cur(Fatigue load limit, radial) | 500,000 N |
| nG Grease(Limiting speed for grease lubrication) | 1,160 1/min |
| nG Oil(Limiting speed for oil lubrication) | 1,360 1/min |
| ≈m(Weight) | 178 kg |
| da(diameter shaft shoulder) | 501 mm |
| diameter shaft shoulder tolerance | h12 |
| Da | 609 mm |
| diameter shaft shoulder tolerance | H12 |
| ra1 max(Maximum recess radius) | 5 mm |
| r1 min(Minimum chamfer dimension) | 6 mm |
| E(Raceway diameter outer ring) | 597 mm |
| ns(Width of lubricating groove) | 23.5 mm |
| ds(Diameter lubrication hole) | 12.5 mm |
| s(Axial displacement) | 10.2 mm |
| Company Profile | |
| 1. Who are we? | |
| Sun Rises Group Limited have rich experience in bearings operation since year 1986. Our own brand is SDVV and we also agent for many world-famous bearings. | |
| 2. How can we guarantee quality? | |
| Always a pre-production sample before mass production; | |
| Always final Inspection before shipment; | |
| We have sufficient inventory to achieve fast delivery. If you want to know more, please feel free to contact us so that we can get back to you quickly. |
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