120x250x25.5mm External Gear Slewing Bearing - BRS Custom Design

Model: 011.10.180.12/BRS-EXQ180-BO

Structure: Four point contact ball slewing ring, with mounting holes.

Gear teeth: External Gear

PCD of inner ring: 145mm

PCD of outer ring: 214mm

Material: 50Mn/42CrMo

Surface treatement: black oxide treated

Hardened gear teeth

This external gear slewing bearing is customized type, original design is without sealing, balls are separated by cage, not space retainers. The mounting holes are not equally spaced.

The special surface treatment can protect slewing bearings against rust and corrosion. And cost is only a little bit higher than the common type. Such small size four point contact ball slewing bearings are widely applied on cranes, excavators, turntables, rotation devices, etc.