Slewing rings

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CRB Antriebstechnik GmbH

Balls slewing ring / single-row - 01 series

Single-row ball slewing bearings with internal, external gearing or without gearing.

Standard four-point contact bearings (01 - series) are the mostly used types with diameters from 234 mm to 6,300 mm, hardened or unhardened...

Balls slewing ring / single-row - 01 series

Single-row ball slewing bearings with internal, external gearing or without gearing.

Standard four-point contact bearings (01 - series) are the mostly used types with diameters from 234 mm to 6,300 mm, hardened or unhardened gearing.

Four-point raceway geometry, preloaded raceway system, centering, special sealing, various spacers or cages are available.

Light profile design series, flange bearings with external gearing, internal gearing or without gearing (L - series) with raceway diameters from 310 mm to 1,455 mm are part of our standard program. Normal or double holes, reduced or preloaded clearance up to precision quality class are available. A variety of surface treatments is can be provided .


Applications:
Excavators, deep drilling rigs and other construction equipments, welding construction, engineering and plant engineering.

Balls slewing ring / double-row / for wind turbine - ø 500 - 4500 mm | 02 series

Normal eight-point ball slewing bearings with diameters from 500 mm to 4,500 mm.

Slewing bearings for wind turbines are mostly from this series....

Balls slewing ring / double-row / for wind turbine - ø 500 - 4500 mm | 02 series

Normal eight-point ball slewing bearings with diameters from 500 mm to 4,500 mm.

Slewing bearings for wind turbines are mostly from this series. This productions series satisfies the most demanding requirements set to engineering excellence and know-how of the manufacturer.

This series is perfectly suitable for heavy loads.
Preloaded bearing clearance or centering is available. Higher static bearing capacity compared to cross-roller slewing bearings construed in the same way.

Applications:
Wind power plants, cranes, construction machines, engineering and plant engineering.

Crossed roller slewing ring - max. ø 5000 mm | 11 series

Cross-roller slewing bearings with single-row roller raceway angle of 45°. More evenly preset potentiometer at different loads and...

Crossed roller slewing ring - max. ø 5000 mm | 11 series

Cross-roller slewing bearings with single-row roller raceway angle of 45°. More evenly preset potentiometer at different loads and...

Roller slewing ring / three-row - 13 series

Triple-row roller slewing bearings are suitable for most load requirements where little space is required (13 Series) .


Apart from plastic...

Roller slewing ring / three-row - 13 series

Triple-row roller slewing bearings are suitable for most load requirements where little space is required (13 Series) .


Apart from plastic spacers they are also available with closed cage and with steel or brass cage.

Heavy dynamic load, high stiffness and more evenly pre-set potentiometer compared to all other slewing bearing configurations (at equal raceway diameter).

Applications:
Deep drilling systems, fire engines, articulated buses, steel plants, self-loading vehicles, cranes, ship loading equipment, harbor and wharf cranes, crawler cranes, offshore equipment.
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