Four point contact ball bearings

HJA050XP0 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HJA050XP0 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 127 mm bore diameter, a 139.7 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 NumberHJA050XP0
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesJA
Seal TypeSealed
Load DirectionRadial, Bidirectional Axial and Moment
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)127 mm
Width (B)6.35 mm
Outer Diameter (D)139.7 mm
Bore Diameter Tolerance-0.025-0 mm
Outside Diameter Tolerance-0.02-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)130.7592 mm
Outer-Ring Land Diameter (L2 / D1)136.0424 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)7070 N
Basic Dynamic Radial Load Rating Cr (N)3820 N
Basic Static Axial Load Rating C0a (N)17690 N
Basic Dynamic Axial Load Rating Ca (N)6220 N
Material
Mass (kg)0.101 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-0.076-0.051 mm
CAD Drawing and Dimensions for HJA050XP0 Thin Section Four-Point Contact Ball Bearings HJA050XP0 139.7 mm 127 mm 6.35 mm

Frequently Asked Questions about HJA050XP0 Thin Section Four-Point Contact Ball Bearings

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

As standard production, CHG Bearing subjects HJA050XP0 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.
Built for demanding industrial environments, the HJA050XP0 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.
In its sealed configuration (Sealed), CHG Bearing pre-charges HJA050XP0 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.
The CHG Bearing HJA050XP0 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.
HJA050XP0 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HJA050XP0 139.7 mm 127 mm 6.35 mm