Four point contact ball bearings

HKB025XP0 - Thin Section Four-Point Contact Ball Bearings

Manufactured by CHG Bearing, the HKB025XP0 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 NumberHKB025XP0
BrandCHG®
Characteristics
Bearing TypeFour-Point Contact Ball Bearing
SeriesKB
Seal TypeOpen
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)69.3674 mm
Outer-Ring Land Diameter (L2 / D1)73.4822 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)5070 N
Basic Dynamic Radial Load Rating Cr (N)3770 N
Basic Static Axial Load Rating C0a (N)12620 N
Basic Dynamic Axial Load Rating Ca (N)5730 N
Material
Mass (kg)0.091 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 HKB025XP0 Thin Section Four-Point Contact Ball Bearings HKB025XP0 79.375 mm 63.5 mm 7.9375 mm

Frequently Asked Questions about HKB025XP0 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 HKB025XP0 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 HKB025XP0 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.
Yes, 100% of HKB025XP0 Thin Section Four-Point 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.
For international ocean and air freight, CHG Bearing packs HKB025XP0 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.
HKB025XP0 - Thin Section Four-Point Contact Ball Bearings CAD Drawing HKB025XP0 79.375 mm 63.5 mm 7.9375 mm