Manufactured by CHG Bearing, the HKB120AP0 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 304.8 mm bore diameter, a 320.675 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.
HKB120AP0 - Thin Section Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKB120AP0 |
| 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) | 304.8 mm |
| Width (B) | 7.9375 mm |
| Outer Diameter (D) | 320.675 mm |
| Bore Diameter Tolerance | -0.035-0 mm |
| Outside Diameter Tolerance | -0.035-0 mm |
| Width Tolerance | -0.127-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 310.6674 mm |
| Outer-Ring Land Diameter (L2 / D1) | 314.7822 mm |
| Counterbore Diameter L3 | 316.103 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 25960 N |
| Basic Dynamic Radial Load Rating Cr (N) | 7210 N |
| Basic Static Axial Load Rating C0a (N) | 74940 N |
| Basic Dynamic Axial Load Rating Ca (N) | 18850 N |
| Material | |
| Mass (kg) | 0.386 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 |
HKB120AP0 320.675 mm 304.8 mm 7.9375 mm Frequently Asked Questions about HKB120AP0 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model HKB120AP0 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 304.8 mm) and steep thermal gradients between inner and outer rings.
To match diverse operational dynamics, CHG Bearing supplies HKB120AP0 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Absolutely. The CHG Bearing HKB120AP0 Thin Section Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HKB120AP0, FAG HKB120AP0, NSK HKB120AP0. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
To ensure optimum performance of CHG Bearing HKB120AP0 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 304.8 mm bore. For the 320.675 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
