Manufactured by CHG Bearing, the HKG042AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 107.95 mm bore diameter, a 158.75 mm outer diameter, and a 25.4 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.
HKG042AP4 - Thin Section Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKG042AP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Angular Contact Ball Bearing |
| Series | KG |
| Seal Type | Open |
| Load Direction | Combined Radial and Unidirectional Axial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 107.95 mm |
| Width (B) | 25.4 mm |
| Outer Diameter (D) | 158.75 mm |
| Bore Diameter Tolerance | -0.006-0 mm |
| Outside Diameter Tolerance | -0.01-0 mm |
| Width Tolerance | -0.127-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 126.7968 mm |
| Outer-Ring Land Diameter (L2 / D1) | 139.9032 mm |
| Counterbore Diameter L3 | 145.8214 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 44230 N |
| Basic Dynamic Radial Load Rating Cr (N) | 28620 N |
| Basic Static Axial Load Rating C0a (N) | 227710 N |
| Basic Dynamic Axial Load Rating Ca (N) | 62630 N |
| Material | |
| Mass (kg) | 1.74 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 | P4 |
| Radial Internal Clearance | N/A mm |
HKG042AP4 158.75 mm 107.95 mm 25.4 mm Frequently Asked Questions about HKG042AP4 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Beyond standard alloy steel, CHG Bearing can customize the HKG042AP4 Thin Section Angular Contact Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
To ensure optimum performance of CHG Bearing HKG042AP4 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 107.95 mm bore. For the 158.75 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HKG042AP4 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
To safeguard CHG Bearing HKG042AP4 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (107.95 mm x 158.75 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
