Manufactured by CHG Bearing, the HKC140AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 355.6 mm bore diameter, a 374.65 mm outer diameter, and a 9.525 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.
HKC140AP4 - Thin Section Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKC140AP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Angular Contact Ball Bearing |
| Series | KC |
| Seal Type | Open |
| Load Direction | Combined Radial and Unidirectional Axial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 355.6 mm |
| Width (B) | 9.525 mm |
| Outer Diameter (D) | 374.65 mm |
| Bore Diameter Tolerance | -0.0127-0 mm |
| Outside Diameter Tolerance | -0.015-0 mm |
| Width Tolerance | -0.254-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 362.6358 mm |
| Outer-Ring Land Diameter (L2 / D1) | 367.6142 mm |
| Counterbore Diameter L3 | 369.189 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 37740 N |
| Basic Dynamic Radial Load Rating Cr (N) | 10430 N |
| Basic Static Axial Load Rating C0a (N) | 108900 N |
| Basic Dynamic Axial Load Rating Ca (N) | 27430 N |
| Material | |
| Mass (kg) | 0.649 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 |
HKC140AP4 374.65 mm 355.6 mm 9.525 mm Frequently Asked Questions about HKC140AP4 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HKC140AP4 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies HKC140AP4 with a precision bore diameter (d) of 355.6 mm, an outside diameter (D) of 374.65 mm, and a nominal ring width (B) of 9.525 mm. This configuration yields an effective cross-sectional wall thickness of 9.5 mm and an envelope ratio (D/d) of 1.05, delivering compact rigidity for OEM machinery housings.
To ensure optimum performance of CHG Bearing HKC140AP4 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 355.6 mm bore. For the 374.65 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Absolutely. The CHG Bearing HKC140AP4 Thin Section Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HKC140AP4, FAG HKC140AP4, NSK HKC140AP4. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
