Angular contact ball bearings

HKA020AP4 - Thin Section Angular Contact Ball Bearings

Manufactured by CHG Bearing, the HKA020AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 50.8 mm bore diameter, a 63.5 mm outer diameter, and a 6.35 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 NumberHKA020AP4
BrandCHG®
Characteristics
Bearing TypeAngular Contact Ball Bearing
SeriesKA
Seal TypeOpen
Load DirectionCombined Radial and Unidirectional Axial
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)50.8 mm
Width (B)6.35 mm
Outer Diameter (D)63.5 mm
Bore Diameter Tolerance-0.005-0 mm
Outside Diameter Tolerance-0.005-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)55.5244 mm
Outer-Ring Land Diameter (L2 / D1)58.7756 mm
Counterbore Diameter L360.1726 mm
Performance
Basic Static Radial Load Rating C0r (N)3510 N
Basic Dynamic Radial Load Rating Cr (N)1800 N
Basic Static Axial Load Rating C0a (N)10140 N
Basic Dynamic Axial Load Rating Ca (N)4270 N
Material
Mass (kg)0.045 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 ClearanceN/A mm
CAD Drawing and Dimensions for HKA020AP4 Thin Section Angular Contact Ball Bearings HKA020AP4 63.5 mm 50.8 mm 6.35 mm

Frequently Asked Questions about HKA020AP4 Thin Section Angular Contact Ball Bearings

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

Yes, 100% of HKA020AP4 Thin Section Angular Contact Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
As standard production, CHG Bearing subjects HKA020AP4 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HKA020AP4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Sourcing HKA020AP4 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Thin Section Angular Contact Ball Bearings.
HKA020AP4 - Thin Section Angular Contact Ball Bearings CAD Drawing HKA020AP4 63.5 mm 50.8 mm 6.35 mm