Manufactured by CHG Bearing, the HWFAD12144H is a precision Flanged Thin Section Bearings. Key dimensional parameters include a 228.6 mm bore diameter, a 251 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.

HWFAD12144H - Flanged Thin Section Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HWFAD12144H |
| 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) | 228.6 mm |
| Width (B) | 15.875 mm |
| Outer Diameter (D) | 251 mm |
| Outside Diameter Tolerance | -0.008-0 mm |
| Bore Tolerance | -0.008-0 mm |
| Height Tolerance | -0.2-0 mm |
| Flange Outside Diameter Df | 265 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*) | 15.3 kN* |
| Basic Dynamic Radial Load Rating Cr (kN*) | 66.8 kN* |
| Material | |
| Ring Material | Stainless Steel |
| Cage Material | Polyimide |
| Ball Material | Stainless Steel |
| Operating Temperature Range (°C) | -50 to +100 °C |
| Precision Class | P4 |
HWFAD12144H 265 mm 228.6 mm 251 mm Frequently Asked Questions about HWFAD12144H Flanged Thin Section Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing HWFAD12144H against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (228.6 mm x 251 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Absolutely. The CHG Bearing HWFAD12144H Flanged Thin Section Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF HWFAD12144H, FAG HWFAD12144H, NSK HWFAD12144H. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Standard batches of CHG Bearing HWFAD12144H 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.
Quality starts with raw material selection: CHG Bearing crafts HWFAD12144H 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.
