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         | Type: INA Slewing rings di 216 Da 340 b 34 Da ZT 338 Valid for bearings with centring (suffix ZT) Centring lengths (T, t) (see dimension drawing) Tolerance: -IT8 Di 287 d0 224 da 289 da ZT 287 Valid for bearings with centring (suffix ZT) Centring lengths (T, t) (see dimension drawing) Tolerance: +IT8 dB 9 H 39 h 34 La 324 Li 252 m 4 Tooth modulus na 20 Number of fixing holes in outer ring ni 20 Number of fixing holes in inner ring T 6 t 2,5 u 9,5 z 56 Number of teeth m 12 Mass Fr per 35000 Maximum permissible radial load against friction lock Fz norm 12300 Maximum permissible tooth force (dedendum fatigue strength) Fz max 17800 Max. permissible tooth force against tooth fracture in dedendum Ca 165000 Basic dynamic load rating, axial C0a 420000 Basic static load rating, axial Cr 108000 Basic dynamic load rating, radial C0r 190000 Basic static load rating, radial 0,04 - 0,16 0,04 - 0,16 Radial clearance 0,07 - 0,26 0,07 - 0,26 Axial tilting clearance 2 taper type lubrication nipples, DIN 71412-A M10x1, spaced uniformly on circumference and partially recessed |
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| NNU49/730 bearing | 730 | 1030 | 380 |
| NNU49/670 bearing | 670 | 900 | 230 |