Four-Point Contact Ball Slewing Bearings

013.30.1120.03K - Four-Point Contact Ball Slewing Bearings

Manufactured by CHG Bearing, the 013.30.1120.03K is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 988 mm bore diameter, a 1242 mm outer diameter, and a 105 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 Number013.30.1120.03K
BrandCHG®
Gear TypeInternal Gear
Characteristics
Bearing TypeSingle-row Four-point Contact Ball Slewing Bearing
Row ConfigurationSingle-row
Dimensions
Bore Diameter (d)988 mm
Width (B)105 mm
Outer Diameter (D)1242 mm
Number of Lubrication Holes n16
Mounting Dimensions
Outer Ring Mounting Hole P.C.D. D11198 mm
Inner Ring Mounting Hole P.C.D. D21042 mm
Lubrication Port Thread / Size Φ110
Inner Ring Mounting Hole Count n236
Inner Ring Mounting Hole Specification Φ2 (Ø / Thread)18
Outer Ring Mounting Hole Count n336
Outer Ring Mounting Hole Specification Φ3 (Ø / Thread)18
Gear Data
Gear Module m8 mm
Gear Tip Diameter De960.25 mm
Number of Gear Teeth z121
Gear Face Width b80 mm
Addendum Modification Coefficient x0.5
Reference Data
Reference Mass (kg)298 kg
CAD Drawing and Dimensions for 013.30.1120.03K Four-Point Contact Ball Slewing Bearings 013.30.1120.03K 1242 mm 988 mm 1198 mm 1042 mm 105 mm

Frequently Asked Questions about 013.30.1120.03K Four-Point Contact Ball Slewing Bearings

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

Absolutely. The CHG Bearing 013.30.1120.03K Four-Point Contact Ball Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 013.30.1120.03K, FAG 013.30.1120.03K, NSK 013.30.1120.03K. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 013.30.1120.03K, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Standard batches of CHG Bearing 013.30.1120.03K conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
The Open Type engineered for 013.30.1120.03K by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
013.30.1120.03K - Four-Point Contact Ball Slewing Bearings CAD Drawing 013.30.1120.03K 1242 mm 988 mm 1198 mm 1042 mm 105 mm