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Series 840, 850  
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Series overview - Double Axial Slewing Rings


         Permissible tooth force for the individual sizes


         Static load ratings for the individual sizes

Operating conditions
Permissible temperature range -25 °C to +70°C
Maximum permissible rotational speed nperm = 40000 / DL
(DL = raceway diameter)
“Compressive” load
Bolt grade 10.9

Typical applications

Turntables, slewing mechanisms, bogies, winders, medium-sized to large cranes and construction machinery.
Applications such as for Single Row Ball Slewing Rings with higher axial load.


  • Robust design
  • Insensitive to rough mounting structure
  • Suitable for vibration conditions
  • High axial loads can be transmitted

Limiting load diagrams, series 840, 850

Please refer to the explanations in the Technical Information section of the catalog.

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Slewing Rings
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