Four point contact ball bearings

HKC065XP4 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HKC065XP4 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 165.1 mm bore diameter, a 184.15 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 NumberHKC065XP4
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesKC
Seal TypeOpen
Load DirectionRadial, Bidirectional Axial and Moment
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)165.1 mm
Width (B)9.525 mm
Outer Diameter (D)184.15 mm
Bore Diameter Tolerance-0.0076-0 mm
Outside Diameter Tolerance-0.01-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)172.1358 mm
Outer-Ring Land Diameter (L2 / D1)177.1142 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)14710 N
Basic Dynamic Radial Load Rating Cr (N)8230 N
Basic Static Axial Load Rating C0a (N)36760 N
Basic Dynamic Axial Load Rating Ca (N)13290 N
Material
Mass (kg)0.312 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 ClassP4
Radial Internal Clearance-0.035-0.021 mm
CAD Drawing and Dimensions for HKC065XP4 Thin Section Four-Point Contact Ball Bearings HKC065XP4 184.15 mm 165.1 mm 9.525 mm

Frequently Asked Questions about HKC065XP4 Thin Section Four-Point Contact Ball Bearings

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

The CHG Bearing HKC065XP4 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Standard batches of CHG Bearing HKC065XP4 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HKC065XP4 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.
In its sealed configuration (Open), CHG Bearing pre-charges HKC065XP4 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.
HKC065XP4 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HKC065XP4 184.15 mm 165.1 mm 9.525 mm