Manufactured by CHG Bearing, the HKB140AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 355.6 mm bore diameter, a 371.475 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.
HKB140AP4 - Thin Section Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKB140AP4 |
| 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) | 355.6 mm |
| Width (B) | 7.9375 mm |
| Outer Diameter (D) | 371.475 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) | 361.4674 mm |
| Outer-Ring Land Diameter (L2 / D1) | 365.5822 mm |
| Counterbore Diameter L3 | 366.7506 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 30050 N |
| Basic Dynamic Radial Load Rating Cr (N) | 7850 N |
| Basic Static Axial Load Rating C0a (N) | 86680 N |
| Basic Dynamic Axial Load Rating Ca (N) | 20760 N |
| Material | |
| Mass (kg) | 0.445 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 |
HKB140AP4 371.475 mm 355.6 mm 7.9375 mm Frequently Asked Questions about HKB140AP4 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing HKB140AP4 Thin Section Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HKB140AP4, FAG HKB140AP4, NSK HKB140AP4. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, 100% of HKB140AP4 Thin Section Angular Contact Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
To safeguard CHG Bearing HKB140AP4 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (355.6 mm x 371.475 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To ensure optimum performance of CHG Bearing HKB140AP4 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 371.475 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
