Four point contact ball bearings

HJA020XP4 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HJA020XP4 is a precision Thin Section Four-Point 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 NumberHJA020XP4
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesJA
Seal TypeSealed
Load DirectionRadial, Bidirectional Axial and Moment
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)54.5592 mm
Outer-Ring Land Diameter (L2 / D1)59.8424 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)3020 N
Basic Dynamic Radial Load Rating Cr (N)2280 N
Basic Static Axial Load Rating C0a (N)7600 N
Basic Dynamic Axial Load Rating Ca (N)3510 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 Clearance-0.025-0.011 mm
CAD Drawing and Dimensions for HJA020XP4 Thin Section Four-Point Contact Ball Bearings HJA020XP4 63.5 mm 50.8 mm 6.35 mm

Frequently Asked Questions about HJA020XP4 Thin Section Four-Point Contact Ball Bearings

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

Built for demanding industrial environments, the HJA020XP4 Thin Section Four-Point Contact Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
For international ocean and air freight, CHG Bearing packs HJA020XP4 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HJA020XP4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To extend the trouble-free lifespan of CHG Bearing HJA020XP4, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
HJA020XP4 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HJA020XP4 63.5 mm 50.8 mm 6.35 mm