Manufactured by CHG Bearing, the HKD047AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 120.65 mm bore diameter, a 146.05 mm outer diameter, and a 12.7 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.

HKD047AP4 - Thin Section Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKD047AP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Angular Contact Ball Bearing |
| Series | KD |
| Seal Type | Open |
| Load Direction | Combined Radial and Unidirectional Axial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 120.65 mm |
| Width (B) | 12.7 mm |
| Outer Diameter (D) | 146.05 mm |
| Bore Diameter Tolerance | -0.0076-0 mm |
| Outside Diameter Tolerance | -0.01-0 mm |
| Width Tolerance | -0.127-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 130.048 mm |
| Outer-Ring Land Diameter (L2 / D1) | 136.652 mm |
| Counterbore Diameter L3 | 139.446 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 18450 N |
| Basic Dynamic Radial Load Rating Cr (N) | 8830 N |
| Basic Static Axial Load Rating C0a (N) | 53210 N |
| Basic Dynamic Axial Load Rating Ca (N) | 20980 N |
| Material | |
| Mass (kg) | 0.422 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 |
HKD047AP4 146.05 mm 120.65 mm 12.7 mm Frequently Asked Questions about HKD047AP4 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing HKD047AP4 Thin Section Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HKD047AP4, FAG HKD047AP4, NSK HKD047AP4. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for HKD047AP4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HKD047AP4 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.
The CHG Bearing HKD047AP4 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
