Four-Point Contact Ball Slewing Bearings

013.35.1257.12 - Four-Point Contact Ball Slewing Bearings

Manufactured by CHG Bearing, the 013.35.1257.12 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a mm bore diameter, a 1382 mm outer diameter, and a 85 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 Number013.35.1257.12
BrandCHG®
Gear TypeInternal Gear
Characteristics
Bearing TypeSingle-row Four-point Contact Ball Slewing Bearing
Row ConfigurationSingle-row
Dimensions
Width (B)85 mm
Outer Diameter (D)1382 mm
Number of Lubrication Holes n14
Mounting Dimensions
Outer Ring Mounting Hole P.C.D. D11332 mm
Inner Ring Mounting Hole P.C.D. D21182 mm
Lubrication Port Thread / Size Φ110
Inner Ring Mounting Hole Count n240
Inner Ring Mounting Hole Specification Φ2 (Ø / Thread)24
Outer Ring Mounting Hole Count n340
Outer Ring Mounting Hole Specification Φ3 (Ø / Thread)24
Gear Data
Gear Module m12 mm
Gear Tip Diameter De1068 mm
Number of Gear Teeth z90
Gear Face Width b75 mm
Addendum Modification Coefficient x0.5
Reference Data
Reference Mass (kg)290 kg
CAD Drawing and Dimensions for 013.35.1257.12 Four-Point Contact Ball Slewing Bearings 013.35.1257.12 1382 mm mm 1332 mm 1182 mm 85 mm

Frequently Asked Questions about 013.35.1257.12 Four-Point Contact Ball Slewing Bearings

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

Absolutely. The CHG Bearing 013.35.1257.12 Four-Point Contact Ball Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 013.35.1257.12, FAG 013.35.1257.12, NSK 013.35.1257.12. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Each 013.35.1257.12 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit ( mm bore side) ensures perfect planar contact without edge binding.
In its sealed configuration (Open Type), CHG Bearing pre-charges 013.35.1257.12 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
For international ocean and air freight, CHG Bearing packs 013.35.1257.12 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.
013.35.1257.12 - Four-Point Contact Ball Slewing Bearings CAD Drawing 013.35.1257.12 1382 mm mm 1332 mm 1182 mm 85 mm