Angular contact ball bearings

HKB025AP0 - Thin Section Angular Contact Ball Bearings

Manufactured by CHG Bearing, the HKB025AP0 is a precision Thin Section Angular 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 NumberHKB025AP0
BrandCHG®
Characteristics
Bearing TypeAngular Contact Ball Bearing
SeriesKB
Seal TypeOpen
Load DirectionCombined Radial and Unidirectional Axial
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 L375.2856 mm
Performance
Basic Static Radial Load Rating C0r (N)5960 N
Basic Dynamic Radial Load Rating Cr (N)3000 N
Basic Static Axial Load Rating C0a (N)17160 N
Basic Dynamic Axial Load Rating Ca (N)7070 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 ClearanceN/A mm
CAD Drawing and Dimensions for HKB025AP0 Thin Section Angular Contact Ball Bearings HKB025AP0 79.375 mm 63.5 mm 7.9375 mm

Frequently Asked Questions about HKB025AP0 Thin Section Angular Contact Ball Bearings

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

To safeguard CHG Bearing HKB025AP0 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (63.5 mm x 79.375 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for HKB025AP0. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
To ensure optimum performance of CHG Bearing HKB025AP0 Thin Section Angular 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.
To extend the trouble-free lifespan of CHG Bearing HKB025AP0, 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.
HKB025AP0 - Thin Section Angular Contact Ball Bearings CAD Drawing HKB025AP0 79.375 mm 63.5 mm 7.9375 mm