Manufactured by CHG Bearing, the HKB020XP0 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 50.8 mm bore diameter, a 66.675 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.

HKB020XP0 - Thin Section Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKB020XP0 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing |
| Series | KB |
| Seal Type | Open |
| Load Direction | Radial, Bidirectional Axial and Moment |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 50.8 mm |
| Width (B) | 7.9375 mm |
| Outer Diameter (D) | 66.675 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) | 56.6674 mm |
| Outer-Ring Land Diameter (L2 / D1) | 60.7822 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 4130 N |
| Basic Dynamic Radial Load Rating Cr (N) | 3370 N |
| Basic Static Axial Load Rating C0a (N) | 10400 N |
| Basic Dynamic Axial Load Rating Ca (N) | 5020 N |
| Material | |
| Mass (kg) | 0.073 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 | -0.055-0.031 mm |
HKB020XP0 66.675 mm 50.8 mm 7.9375 mm Frequently Asked Questions about HKB020XP0 Thin Section Four-Point Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs HKB020XP0 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.
Standard batches of CHG Bearing HKB020XP0 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
As standard production, CHG Bearing subjects HKB020XP0 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.
To extend the trouble-free lifespan of CHG Bearing HKB020XP0, 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.
