Deep Groove Ball Bearings

HKC055CP4 - Thin Section Deep Groove Ball Bearings

Manufactured by CHG Bearing, the HKC055CP4 is a precision Thin Section Deep Groove Ball Bearings. Key dimensional parameters include a 139.7 mm bore diameter, a 158.75 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 NumberHKC055CP4
BrandCHG®
Characteristics
Bearing TypeDeep Groove Ball Bearing
SeriesKC
Seal TypeOpen
Load DirectionRadial and Bidirectional Axial
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)139.7 mm
Width (B)9.525 mm
Outer Diameter (D)158.75 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)146.7358 mm
Outer-Ring Land Diameter (L2 / D1)151.7142 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)12580 N
Basic Dynamic Radial Load Rating Cr (N)5660 N
Basic Static Axial Load Rating C0a (N)N/A N
Basic Dynamic Axial Load Rating Ca (N)N/A N
Material
Mass (kg)0.268 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 HKC055CP4 Thin Section Deep Groove Ball Bearings HKC055CP4 158.75 mm 139.7 mm 9.525 mm

Frequently Asked Questions about HKC055CP4 Thin Section Deep Groove Ball 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 HKC055CP4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Standard batches of CHG Bearing HKC055CP4 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.
Every production batch of CHG Bearing HKC055CP4 Thin Section Deep Groove Ball 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.
As standard production, CHG Bearing subjects HKC055CP4 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.
HKC055CP4 - Thin Section Deep Groove Ball Bearings CAD Drawing HKC055CP4 158.75 mm 139.7 mm 9.525 mm