Single-row crossed roller bearing incorporates two rings and is designed with compact construction, light weight, high precision, and small assembling clearance. The rollers are crossed one by one, enabling the Slewing Bearing to accommodate high axial, radial and tilting moment loads. Single-row crossed roller bearing is suitable for hoisting equipment,crane, construction machinery and other engineering machinery.

Outer diameter: 602mm~4726mm
Ball diameter: 25mm~50mm
Rated load: 104kN~1980kN

Single-row crossed roller bearing details
Range of external diameter: 100 mm to 15000 mm
Ring material: 42CrMo / 50Mn/ C45
Ball/Roller material: GCr15
Cage material: steel 20 or ZL102 cast aluminum alloy
Spacer material: nylon 6 / nylon 66
Quenching hardness of raceway: HRC55-62
Tooth type: no gear, internal gear, external gear

Three various types of single-row crossed roller bearing
with Internal Gear
with External Gear
with No Gear

ZZ slewing ring bearings are available in many designs with internal, external or without gear.The low cross section, heavy load capacity and integrated gear make these bearings ideal structure components.

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