Manufactured by CHG Bearing, the HKB047AP0 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 120.65 mm bore diameter, a 136.525 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.

HKB047AP0 - Thin Section Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKB047AP0 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Angular Contact Ball Bearing |
| Series | KB |
| Seal Type | Open |
| Load Direction | Combined Radial and Unidirectional Axial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 120.65 mm |
| Width (B) | 7.9375 mm |
| Outer Diameter (D) | 136.525 mm |
| Bore Diameter Tolerance | -0.025-0 mm |
| Outside Diameter Tolerance | -0.02-0 mm |
| Width Tolerance | -0.127-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 126.5174 mm |
| Outer-Ring Land Diameter (L2 / D1) | 130.6322 mm |
| Counterbore Diameter L3 | 132.334 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 10620 N |
| Basic Dynamic Radial Load Rating Cr (N) | 4230 N |
| Basic Static Axial Load Rating C0a (N) | 30720 N |
| Basic Dynamic Axial Load Rating Ca (N) | 10400 N |
| Material | |
| Mass (kg) | 0.159 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 | N/A mm |
HKB047AP0 136.525 mm 120.65 mm 7.9375 mm Frequently Asked Questions about HKB047AP0 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Quality starts with raw material selection: CHG Bearing crafts HKB047AP0 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
To ensure optimum performance of CHG Bearing HKB047AP0 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 120.65 mm bore. For the 136.525 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
As standard production, CHG Bearing subjects HKB047AP0 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.
Absolutely. The CHG Bearing HKB047AP0 Thin Section Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HKB047AP0, FAG HKB047AP0, NSK HKB047AP0. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
