Angular contact ball bearings

HWA725HP4 - Thin Section Angular Contact Ball Bearings

Manufactured by CHG Bearing, the HWA725HP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 39.6875 mm bore diameter, a 50.8 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 NumberHWA725HP4
BrandCHG®
Characteristics
Bearing TypeAngular Contact Ball Bearing
SeriesA7
Seal TypeOpen / Single-Sided Sealed / Double-Sided Sealed
Load DirectionCombined Radial and Axial
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)39.6875 mm
Width (B)6.35 mm
Outer Diameter (D)50.8 mm
Bore Diameter Tolerance-0.005-0 mm
Outside Diameter Tolerance-0.0075-0 mm
Width Tolerance-0.025-0 mm
Inner-Ring Land Diameter (L1 / d1)43.2689 mm
Outer-Ring Land Diameter (L2 / D1)47.22114 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)2860 N
Basic Dynamic Radial Load Rating Cr (N)2710 N
Basic Static Axial Load Rating C0a (N)4710 N
Basic Dynamic Axial Load Rating Ca (N)N/A N
Material
Mass (kg)0.026Kg kg
Ring MaterialStainless Steel / Bearing Steel
Cage MaterialBrass / Polyimide / PEEK / Phenolic Resin / Phenolic Resin Fabric Laminate
Ball MaterialCeramic / Stainless Steel / Bearing Steel
Operating Temperature Range (°C)-50 to +100 °C °C
Precision ClassP4
Radial Internal ClearanceN/A mm
CAD Drawing and Dimensions for HWA725HP4 Thin Section Angular Contact Ball Bearings HWA725HP4 50.8 mm 39.6875 mm 6.35 mm

Frequently Asked Questions about HWA725HP4 Thin Section Angular Contact Ball Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

Yes, 100% of HWA725HP4 Thin Section Angular Contact Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HWA725HP4 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.
The CHG Bearing HWA725HP4 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.
Built for demanding industrial environments, the HWA725HP4 Thin Section Angular Contact Ball 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.
HWA725HP4 - Thin Section Angular Contact Ball Bearings CAD Drawing HWA725HP4 50.8 mm 39.6875 mm 6.35 mm