Manufactured by CHG Bearing, the HWA712HP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 19.05 mm bore diameter, a 30.1625 mm outer diameter, and a 6.35 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.
Technical Specifications
| Overview | |
|---|---|
| Part Number | HWA712HP4 HWA712HP4 |
| Brand | CHG® CHG® |
| Characteristics | |
| Bearing Type | Angular Contact Ball Bearing Angular Contact Ball Bearing |
| Series | A7 A7 |
| Seal Type | Open / Single-Sided Sealed / Double-Sided Sealed Open / Single-Sided Sealed / Double-Sided Sealed |
| Load Direction | Combined Radial and Axial Combined Radial and Axial |
| Row Configuration | Single Row Single Row |
| Dimensions | |
| Bore Diameter (d) | 19.05 mm |
| Width (B) | 6.35 mm |
| Outer Diameter (D) | 30.1625 mm |
| Bore Diameter Tolerance | -0.005-0 mm |
| Outside Diameter Tolerance | -0.005-0 mm |
| Width Tolerance | -0.025-0 mm |
| Inner-Ring Land Diameter (L1 / d1) | 22.62886 mm |
| Outer-Ring Land Diameter (L2 / D1) | 26.5811 mm |
| Counterbore Diameter L3 | N/A mm |
| Performance | |
| Basic Static Radial Load Rating C0r | 1780 N 400.16 lbf |
| Basic Dynamic Radial Load Rating Cr | 2240 N 503.57 lbf |
| Basic Static Axial Load Rating C0a | 2690 N 604.74 lbf |
| Basic Dynamic Axial Load Rating Ca | N/A N N/A lbf |
| Material | |
| Mass | 0.014 kg 0.0309 lb |
| Ring Material | Stainless Steel / Bearing Steel Stainless Steel / Bearing Steel |
| Cage Material | Brass / Polyimide / PEEK / Phenolic Resin / Phenolic Resin Fabric Laminate Brass / Polyimide / PEEK / Phenolic Resin / Phenolic Resin Fabric Laminate |
| Ball Material | Ceramic / Stainless Steel / Bearing Steel Ceramic / Stainless Steel / Bearing Steel |
| Operating Temperature Range | -50 to +100 °C -50 to +100 °C |
| Precision Class | P4 P4 |
| Radial Internal Clearance | N/A mm |
HWA712HP4 30.1625 mm 19.05 mm 6.35 mm Frequently Asked Questions about HWA712HP4 Thin Section Angular Contact Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs HWA712HP4 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HWA712HP4 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.
As standard production, CHG Bearing subjects HWA712HP4 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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for HWA712HP4. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
