Four-Point Contact Ball Slewing Bearings

2789/2240G2K - Four-Point Contact Ball Slewing Bearings

Manufactured by CHG Bearing, the 2789/2240G2K is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 2240 mm bore diameter, a 2500 mm outer diameter, and a 140 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 Number2789/2240G2K
BrandCHG®
Gear TypeInternal Gear
Characteristics
Bearing TypeSingle-row Four-point Contact Ball Slewing Bearing
Row ConfigurationSingle-row
Dimensions
Bore Diameter (d)2240 mm
Width (B)140 mm
Outer Diameter (D)2500 mm
Number of Lubrication Holes n18
Mounting Dimensions
Outer Ring Mounting Hole P.C.D. D12454 mm
Inner Ring Mounting Hole P.C.D. D22280 mm
Lubrication Port Thread / Size Φ114
Inner Ring Mounting Hole Count n256
Inner Ring Mounting Hole Specification Φ2 (Ø / Thread)24
Outer Ring Mounting Hole Count n356
Outer Ring Mounting Hole Specification Φ3 (Ø / Thread)24
Gear Data
Gear Module m18 mm
Gear Tip Diameter De2145.6 mm
Number of Gear Teeth z121
Gear Face Width b125 mm
Addendum Modification Coefficient x0
Reference Data
Reference Mass (kg)1000 kg
CAD Drawing and Dimensions for 2789/2240G2K Four-Point Contact Ball Slewing Bearings 2789/2240G2K 2500 mm 2240 mm 2454 mm 2280 mm 140 mm

Frequently Asked Questions about 2789/2240G2K Four-Point Contact Ball Slewing Bearings

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

Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 2789/2240G2K, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Every production batch of CHG Bearing 2789/2240G2K Four-Point Contact Ball Slewing Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
Sourcing 2789/2240G2K directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Four-Point Contact Ball Slewing Bearings.
For international ocean and air freight, CHG Bearing packs 2789/2240G2K 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.
2789/2240G2K - Four-Point Contact Ball Slewing Bearings CAD Drawing 2789/2240G2K 2500 mm 2240 mm 2454 mm 2280 mm 140 mm