Four point contact ball bearings

HJB050XP0 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HJB050XP0 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 127 mm bore diameter, a 142.875 mm outer diameter, and a 7.9375 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 NumberHJB050XP0
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesJB
Seal TypeSealed
Load DirectionRadial, Bidirectional Axial and Moment
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)127 mm
Width (B)7.9375 mm
Outer Diameter (D)142.875 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)130.5 mm
Outer-Ring Land Diameter (L2 / D1)136.2 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)9560 N
Basic Dynamic Radial Load Rating Cr (N)5490 N
Basic Static Axial Load Rating C0a (N)23910 N
Basic Dynamic Axial Load Rating Ca (N)8800 N
Material
Mass (kg)0.0168 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 HJB050XP0 Thin Section Four-Point Contact Ball Bearings HJB050XP0 142.875 mm 127 mm 7.9375 mm

Frequently Asked Questions about HJB050XP0 Thin Section Four-Point Contact Ball Bearings

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

To ensure optimum performance of CHG Bearing HJB050XP0 Thin Section Four-Point Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 127 mm bore. For the 142.875 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Every production batch of CHG Bearing HJB050XP0 Thin Section Four-Point Contact 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.
Standard batches of CHG Bearing HJB050XP0 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.
As standard production, CHG Bearing subjects HJB050XP0 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.
HJB050XP0 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HJB050XP0 142.875 mm 127 mm 7.9375 mm