Manufactured by CHG Bearing, the HWFAD12175H is a precision Flanged Thin Section Bearings. Key dimensional parameters include a 278 mm bore diameter, a 303 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.
HWFAD12175H - Flanged Thin Section Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HWFAD12175H |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Double-Row Angular Contact Ball Bearing |
| Seal Type | Open |
| Load Direction | Combined Radial and Axial |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 278 mm |
| Width (B) | 15.875 mm |
| Outer Diameter (D) | 303 mm |
| Outside Diameter Tolerance | -0.008-0 mm |
| Bore Tolerance | -0.008-0 mm |
| Height Tolerance | -0.2-0 mm |
| Flange Outside Diameter Df | 320 mm |
| Flange OD Tolerance | -0.1-0 mm |
| Flange Thickness t | 5 mm |
| Flange Thickness Tolerance | -0.1-+0.1 mm |
| Radial Internal Clearance Min | 0.013 mm |
| Radial Internal Clearance Max | 0.023 mm |
| Performance | |
| Basic Static Radial Load Rating C0r (kN*) | 16.4 kN* |
| Basic Dynamic Radial Load Rating Cr (kN*) | 77.4 kN* |
| Material | |
| Ring Material | Stainless Steel |
| Cage Material | Polyimide |
| Ball Material | Stainless Steel |
| Operating Temperature Range (°C) | -50 to +100 °C |
| Precision Class | P4 |
HWFAD12175H 320 mm 278 mm 303 mm Frequently Asked Questions about HWFAD12175H Flanged Thin Section Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To ensure optimum performance of CHG Bearing HWFAD12175H Flanged Thin Section Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 278 mm bore. For the 303 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Built for demanding industrial environments, the HWFAD12175H Flanged Thin Section Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
The CHG Bearing HWFAD12175H 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.
Standard batches of CHG Bearing HWFAD12175H conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
