Four-Point Contact Ball Slewing Bearings

DHK.02.0063 - Four-Point Contact Ball Slewing Bearings

Manufactured by CHG Bearing, the DHK.02.0063 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 1102 mm bore diameter, a 1398 mm outer diameter, and a 128 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Overview
Part NumberDHK.02.0063
BrandCHG®
Gear TypeGearless
Characteristics
Bearing TypeSingle-row Four-point Contact Ball Slewing Bearing
Row ConfigurationSingle-row
Dimensions
Bore Diameter (d)1102 mm
Width (B)128 mm
Outer Diameter (D)1398 mm
Number of Lubrication Holes n14
Mounting Dimensions
Outer Ring Mounting Hole P.C.D. D11350 mm
Inner Ring Mounting Hole P.C.D. D21150 mm
Lubrication Port Thread / Size Φ110
Inner Ring Mounting Hole Count n260
Inner Ring Mounting Hole Specification Φ2 (Ø / Thread)26
Outer Ring Mounting Hole Count n360
Outer Ring Mounting Hole Specification Φ3 (Ø / Thread)26
Reference Data
Reference Mass (kg)487 kg
CAD Drawing and Dimensions for DHK.02.0063 Four-Point Contact Ball Slewing Bearings DHK.02.0063 1398 mm 1102 mm 128 mm 1150 mm 1350 mm

Frequently Asked Questions about DHK.02.0063 Four-Point Contact Ball Slewing Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

To safeguard CHG Bearing DHK.02.0063 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (1102 mm x 1398 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To extend the trouble-free lifespan of CHG Bearing DHK.02.0063, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
For international ocean and air freight, CHG Bearing packs DHK.02.0063 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing DHK.02.0063 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
DHK.02.0063 - Four-Point Contact Ball Slewing Bearings CAD Drawing DHK.02.0063 1398 mm 1102 mm 128 mm 1150 mm 1350 mm