No Gear Slewing Ring Four-point contact ball Flanged Cross Section on Non-Geared Rings Non-Gear Dimensions up to 60" OD
Internally Geared Slewing Ring Utilize 20Degree Spur Gear Teeth in the Inner Ring, to match with a powered Spur Gear as means for turning. Four-point contact ball Rectangular cross-section Internal Gearing- AGMA-8 Quality Minimum Flanged Cross Section on Non-Geared Outer Ring Dimensions up to 60" OD
Externally Geared Slewing Ring Utilize 20Degree Spur Gear Teeth in the outer ring, to match with a powered Spur Gear as means for turning. Four-point contact ball Rectangular cross-section External Gearing- AGMA-8 Quality Minimum Flanged Cross Section on Non-Geared Inner Ring Dimensions up to 60" OD
Pinions NPB is pleased to offer standard, high quality mating pinions from stock for SilverThin™ ST and SK series slewing ring bearings. These pinions are made to AISI 4140 steel and are hardened to have a surface hardness of 55-60 HRC.