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VSA250855-N
INA Slewing Bearings
Dimensions: Bore (Inner) Diameter: 755 mm； Outer Diameter: 997 mm； Width (Thickness): 80 mm;
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Product Attributes
| Specifications | |
| Part Number | VSA250855-N |
| di | 755 mm |
| Da | 997 mm |
| Di | 853 mm |
| DiZT | 855 mm Tolerance: +IT8 |
| d0 | 981 mm |
| da | 857 mm |
| diZT | 757 mm Tolerance: +IT8 |
| H | 80 mm |
| La | 916 mm |
| Li | 795 mm |
| Tooth modulus | 9 mm |
| Number of fixing holes in outer ring(na) | 28 |
| Number of fixing holes in inner ring(ni) | 28 |
| Number of teeth(z) | 109 |
| weight(w) | 145 kg |
| Maximum permissible radial load against friction lock(Frper) | 338800 N |
| Maximum permissible tooth force (dedendum fatigue strength) Fznorm | 55100 N |
| Max. permissible tooth force against tooth fracture in dedendum(Fzmax) | 80200 N |
| Basic dynamic load rating, axial(Ca) | 415000 N |
| Basic static load rating, axial(C0a) | 3050000 N |
| Basic dynamic load rating, radial(Cr) | 375000 N |
| Basic static load rating, radial(C0r) | 1390000 N |
| Min. radial bearing clearance | 0,03 |
| Maximum radial bearing clearance | 0,13 |
| Min. axial tilting clearance | 0,05 |
| Maximum axial tilting clearance | 0,24 |
| Taper type lubrication nipples, DIN 71412-A M10x1, spaced uniformly on circumference | 4 |
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