Four point contact ball bearings

HJB025XP0 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HJB025XP0 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 63.5 mm bore diameter, a 79.375 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 NumberHJB025XP0
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesJB
Seal TypeSealed
Load DirectionRadial, Bidirectional Axial and Moment
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)63.5 mm
Width (B)7.9375 mm
Outer Diameter (D)79.375 mm
Bore Diameter Tolerance-0.015-0 mm
Outside Diameter Tolerance-0.0127-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)67 mm
Outer-Ring Land Diameter (L2 / D1)72.7 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)5070 N
Basic Dynamic Radial Load Rating Cr (N)3370 N
Basic Static Axial Load Rating C0a (N)12620 N
Basic Dynamic Axial Load Rating Ca (N)5730 N
Material
Mass (kg)0.086 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-0.055-0.031 mm
CAD Drawing and Dimensions for HJB025XP0 Thin Section Four-Point Contact Ball Bearings HJB025XP0 79.375 mm 63.5 mm 7.9375 mm

Frequently Asked Questions about HJB025XP0 Thin Section Four-Point Contact Ball Bearings

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

The Sealed engineered for HJB025XP0 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
To ensure optimum performance of CHG Bearing HJB025XP0 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 63.5 mm bore. For the 79.375 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for HJB025XP0. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Quality starts with raw material selection: CHG Bearing crafts HJB025XP0 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
HJB025XP0 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HJB025XP0 79.375 mm 63.5 mm 7.9375 mm