Manufactured by CHG Bearing, the HJA020XP4 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 50.8 mm bore diameter, a 63.5 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.
Technical Specifications
| Overview | |
|---|---|
| Part Number | HJA020XP4 HJA020XP4 |
| Brand | CHG® CHG® |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing Four-Point Contact Ball Bearing |
| Series | JA JA |
| Seal Type | Sealed Sealed |
| Load Direction | Radial, Bidirectional Axial and Moment Radial, Bidirectional Axial and Moment |
| Row Configuration | Single Row Single Row |
| Dimensions | |
| Bore Diameter (d) | 50.8 mm |
| Width (B) | 6.35 mm |
| Outer Diameter (D) | 63.5 mm |
| Bore Diameter Tolerance | -0.005-0 mm |
| Outside Diameter Tolerance | -0.005-0 mm |
| Width Tolerance | -0.127-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 54.5592 mm |
| Outer-Ring Land Diameter (L2 / D1) | 59.8424 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r | 3020 N 678.92 lbf |
| Basic Dynamic Radial Load Rating Cr | 2280 N 512.56 lbf |
| Basic Static Axial Load Rating C0a | 7600 N 1708.55 lbf |
| Basic Dynamic Axial Load Rating Ca | 3510 N 789.08 lbf |
| Material | |
| Mass | 0.045 kg 0.0992 lb |
| Ring Material | Stainless Steel / Bearing Steel Stainless Steel / Bearing Steel |
| Cage Material | Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate |
| Ball Material | Stainless Steel / Bearing Steel / Ceramic Stainless Steel / Bearing Steel / Ceramic |
| Operating Temperature Range | -50 to +100 °C -50 to +100 °C |
| Precision Class | P4 P4 |
| Radial Internal Clearance | -0.025-0.011 mm |
HJA020XP4 63.5 mm 50.8 mm 6.35 mm Frequently Asked Questions about HJA020XP4 Thin Section Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Built for demanding industrial environments, the HJA020XP4 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.
For international ocean and air freight, CHG Bearing packs HJA020XP4 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HJA020XP4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To extend the trouble-free lifespan of CHG Bearing HJA020XP4, 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.
