Manufactured by CHG Bearing, the HWAD1280HP4 is a precision Super Duplex Angular Contact Ball Bearings. Key dimensional parameters include a 127 mm bore diameter, a 146.05 mm outer diameter, and a 15.875 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.
HWAD1280HP4 - Super Duplex Angular Contact Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HWAD1280HP4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Super Duplex Angular Contact Ball Bearing |
| Series | AD12 |
| Seal Type | Open / Single-Sided Sealed / Double-Sided Sealed |
| Load Direction | Combined Radial and Axial |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 127 mm |
| Width (B) | 15.875 mm |
| Outer Diameter (D) | 146.05 mm |
| Outside Diameter Tolerance | -0.01-0 mm |
| Width Tolerance | -0.5-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 134.0612 mm |
| Outer-Ring Land Diameter (L2 / D1) | 138.9888 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r (N) | 37800 N |
| Basic Dynamic Radial Load Rating Cr (N) | 12500 N |
| Basic Static Axial Load Rating C0a (N) | 19700 N |
| Basic Dynamic Axial Load Rating Ca (N) | N/A N |
| Material | |
| Mass (kg) | 0.375Kg 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 |
HWAD1280HP4 146.05 mm 127 mm 15.875 mm 138.9888 mm 134.0612 mm Frequently Asked Questions about HWAD1280HP4 Super Duplex Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As standard production, CHG Bearing subjects HWAD1280HP4 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.
Every production batch of CHG Bearing HWAD1280HP4 Super Duplex 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HWAD1280HP4 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 HWAD1280HP4 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.
