Manufactured by CHG Bearing, the HKG047XP4 is a precision Thin Section Four-Point Contact Ball Bearings. Key dimensional parameters include a 120.65 mm bore diameter, a 171.45 mm outer diameter, and a 25.4 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.

HKG047XP4 - Thin Section Four-Point Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HKG047XP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four-Point Contact Ball Bearing |
| Series | KG |
| Seal Type | Open |
| Load Direction | Radial, Bidirectional Axial and Moment |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 120.65 mm |
| Width (B) | 25.4 mm |
| Outer Diameter (D) | 171.45 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) | 139.4968 mm |
| Outer-Ring Land Diameter (L2 / D1) | 152.6032 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 41340 N |
| Basic Dynamic Radial Load Rating Cr (N) | 37730 N |
| Basic Static Axial Load Rating C0a (N) | 103390 N |
| Basic Dynamic Axial Load Rating Ca (N) | 54360 N |
| Material | |
| Mass (kg) | 1.91 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 | -0.035-0.021 mm |
HKG047XP4 171.45 mm 120.65 mm 25.4 mm Frequently Asked Questions about HKG047XP4 Thin Section Four-Point 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 HKG047XP4 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.
To match diverse operational dynamics, CHG Bearing supplies HKG047XP4 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.
Every production batch of CHG Bearing HKG047XP4 Thin Section Four-Point 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.
The CHG Bearing HKG047XP4 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.
