Manufactured by CHG Bearing, the HKC120AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 304.8 mm bore diameter, a 323.85 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.
HKC120AP4 - Thin Section Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKC120AP4 |
| 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) | 304.8 mm |
| Width (B) | 9.525 mm |
| Outer Diameter (D) | 323.85 mm |
| Bore Diameter Tolerance | -0.0127-0 mm |
| Outside Diameter Tolerance | -0.0127-0 mm |
| Width Tolerance | -0.127-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 311.8358 mm |
| Outer-Ring Land Diameter (L2 / D1) | 316.8142 mm |
| Counterbore Diameter L3 | 318.516 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 32400 N |
| Basic Dynamic Radial Load Rating Cr (N) | 9540 N |
| Basic Static Axial Load Rating C0a (N) | 93520 N |
| Basic Dynamic Axial Load Rating Ca (N) | 24800 N |
| Material | |
| Mass (kg) | 0.558 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 |
HKC120AP4 323.85 mm 304.8 mm 9.525 mm Frequently Asked Questions about HKC120AP4 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of HKC120AP4 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.
The Open engineered for HKC120AP4 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
Every production batch of CHG Bearing HKC120AP4 Thin Section Angular Contact Ball Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
As standard production, CHG Bearing subjects HKC120AP4 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.
