Manufactured by CHG Bearing, the HWAA940HP4 is a precision Super Duplex Angular Contact Ball Bearings. Key dimensional parameters include a 63.5 mm bore diameter, a 77.7875 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.
HWAA940HP4 - Super Duplex Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HWAA940HP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super Duplex Angular Contact Ball Bearing |
| Series | AA9 |
| Seal Type | Open / Single-Sided Sealed / Double-Sided Sealed |
| Load Direction | Combined Radial and Axial |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 63.5 mm |
| Width (B) | 12.7 mm |
| Outer Diameter (D) | 77.7875 mm |
| Outside Diameter Tolerance | -0.0075-0 mm |
| Width Tolerance | -0.38-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 68.65874 mm |
| Outer-Ring Land Diameter (L2 / D1) | 72.61098 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 11800 N |
| Basic Dynamic Radial Load Rating Cr (N) | 6330 N |
| Basic Static Axial Load Rating C0a (N) | 10000 N |
| Basic Dynamic Axial Load Rating Ca (N) | N/A N |
| Material | |
| Mass (kg) | 0.116Kg kg |
| Ring Material | Stainless Steel / Bearing Steel |
| Cage Material | Brass / Polyimide / PEEK / Phenolic Resin / Phenolic Resin Fabric Laminate |
| Ball Material | Ceramic / Stainless Steel / Bearing Steel |
| Operating Temperature Range (°C) | -50 to +100 °C °C |
| Precision Class | P4 |
| Radial Internal Clearance | N/A mm |
HWAA940HP4 77.7875 mm 63.5 mm 12.7 mm 72.61098 mm 68.65874 mm Frequently Asked Questions about HWAA940HP4 Super Duplex Angular 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 HWAA940HP4 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.
Sourcing HWAA940HP4 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Super Duplex Angular Contact Ball Bearings.
Quality starts with raw material selection: CHG Bearing crafts HWAA940HP4 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
To ensure optimum performance of CHG Bearing HWAA940HP4 Super Duplex Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 63.5 mm bore. For the 77.7875 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
