Manufactured by CHG Bearing, the HJA025CP0 is a precision Thin Section Deep Groove Ball Bearings. Key dimensional parameters include a 63.5 mm bore diameter, a 76.2 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.

HJA025CP0 - Thin Section Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HJA025CP0 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Deep Groove Ball Bearing |
| Series | JA |
| Seal Type | Sealed |
| Load Direction | Radial and Bidirectional Axial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 63.5 mm |
| Width (B) | 6.35 mm |
| Outer Diameter (D) | 76.2 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) | 67.2592 mm |
| Outer-Ring Land Diameter (L2 / D1) | 72.5424 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 3690 N |
| Basic Dynamic Radial Load Rating Cr (N) | 1960 N |
| Basic Static Axial Load Rating C0a (N) | N/A N |
| Basic Dynamic Axial Load Rating Ca (N) | N/A N |
| Material | |
| Mass (kg) | 0.054 kg |
| Ring Material | Stainless Steel / Bearing Steel |
| Cage Material | Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate |
| Ball Material | Stainless Steel / Bearing Steel / Ceramic |
| Operating Temperature Range (°C) | -50 to +100 °C °C |
| Precision Class | P0 |
| Radial Internal Clearance | -0.06-0.031 mm |
HJA025CP0 76.2 mm 63.5 mm 6.35 mm Frequently Asked Questions about HJA025CP0 Thin Section Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing HJA025CP0 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (63.5 mm x 76.2 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To ensure optimum performance of CHG Bearing HJA025CP0 Thin Section Deep Groove 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 76.2 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
In its sealed configuration (Sealed), CHG Bearing pre-charges HJA025CP0 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.
Yes, 100% of HJA025CP0 Thin Section Deep Groove 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.
