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VA250309-N
INA Slewing Bearings
Dimensions: Bore (Inner) Diameter: 235 mm； Outer Diameter: 408,4 mm； Width (Thickness): 60 mm;
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Product Attributes
| Specifications | |
| Part Number | VA250309-N |
| di | 235 mm |
| Da | 408,4 mm |
| b | 52,5 mm |
| Di | 308 mm |
| DiZT | 310 mm Tolerance: +IT8 |
| d0 | 400 mm |
| da | 310 mm |
| dB | 13 mm |
| diZT | 237 mm |
| H | 60 mm |
| h | 52,5 mm |
| La | 359 mm |
| Li | 259 mm |
| Tooth modulus | 5 mm |
| Number of fixing holes in outer ring(na) | 24 |
| Number of fixing holes in inner ring(ni) | 24 |
| T | 3 mm |
| t | 8 mm |
| Number of teeth(z) | 80 |
| weight(w) | 29,5 kg |
| Maximum permissible radial load against friction lock(Frper) | 99100 N |
| Maximum permissible tooth force (dedendum fatigue strength) Fznorm | 12900 N |
| Max. permissible tooth force against tooth fracture in dedendum(Fzmax) | 18800 N |
| Basic dynamic load rating, axial(Ca) | 260000 N |
| Basic static load rating, axial(C0a) | 640000 N |
| Basic dynamic load rating, radial(Cr) | 235000 N |
| Basic static load rating, radial(C0r) | 290000 N |
| Min. radial bearing clearance | 0,06 |
| Maximum radial bearing clearance | 0,25 |
| Min. axial tilting clearance | 0,1 |
| Maximum axial tilting clearance | 0,41 |
| Taper type lubrication nipples, DIN 71412-A M10x1, spaced uniformly on circumference | 4 |
| Lip seals on both spides | YES |
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