| | | fwf | 50 mm | | the tolerance zone of the needle hobbing envelope circle is f6 |
| | d | | mm | | c | 19,8 mm | |
| | | | | m | 420 | | | | cr w | 23700 n | | effective rated dynamic load of rollers (radial) |
| c0r w| 39500 n | | effective rated static load of roller (radial) |
| | cur w | 5900 n | | | nd g | 850 1/min | | speed(continuous operation under grease lubrication) |
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