Four point contact ball bearings

HKC120XP0 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HKC120XP0 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 304.8 mm bore diameter, a 323.85 mm outer diameter, and a 9.525 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 NumberHKC120XP0
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesKC
Seal TypeOpen
Load DirectionRadial, Bidirectional Axial and Moment
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)304.8 mm
Width (B)9.525 mm
Outer Diameter (D)323.85 mm
Bore Diameter Tolerance-0.035-0 mm
Outside Diameter Tolerance-0.035-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)311.8358 mm
Outer-Ring Land Diameter (L2 / D1)316.8142 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)26450 N
Basic Dynamic Radial Load Rating Cr (N)11660 N
Basic Static Axial Load Rating C0a (N)66140 N
Basic Dynamic Axial Load Rating Ca (N)19650 N
Material
Mass (kg)0.567 kg
Ring MaterialStainless Steel / Bearing Steel
Cage MaterialBrass / PEEK / Polyimide / Phenolic Resin Fabric Laminate
Ball MaterialStainless Steel / Bearing Steel / Ceramic
Operating Temperature Range (°C)-50 to +100 °C °C
Precision ClassP0
Radial Internal Clearance-0.096-0.072 mm
CAD Drawing and Dimensions for HKC120XP0 Thin Section Four-Point Contact Ball Bearings HKC120XP0 323.85 mm 304.8 mm 9.525 mm

Frequently Asked Questions about HKC120XP0 Thin Section Four-Point Contact Ball Bearings

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

In its sealed configuration (Open), CHG Bearing pre-charges HKC120XP0 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.
Absolutely. The CHG Bearing HKC120XP0 Thin Section Four-Point Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HKC120XP0, FAG HKC120XP0, NSK HKC120XP0. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
As standard production, CHG Bearing subjects HKC120XP0 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
To safeguard CHG Bearing HKC120XP0 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (304.8 mm x 323.85 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
HKC120XP0 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HKC120XP0 323.85 mm 304.8 mm 9.525 mm