Angular contact ball bearings

HWA424HP4 - Thin Section Angular Contact Ball Bearings

Manufactured by CHG Bearing, the HWA424HP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 38.1 mm bore diameter, a 44.45 mm outer diameter, and a 3.96748 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 NumberHWA424HP4
BrandCHG®
Characteristics
Bearing TypeAngular Contact Ball Bearing
SeriesA4
Seal TypeOpen / Single-Sided Sealed / Double-Sided Sealed
Load DirectionCombined Radial and Axial
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)38.1 mm
Width (B)3.96748 mm
Outer Diameter (D)44.45 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)40.2209 mm
Outer-Ring Land Diameter (L2 / D1)42.33926 mm
Counterbore Diameter L3N/A mm
Performance
Basic Static Radial Load Rating C0r (N)1260 N
Basic Dynamic Radial Load Rating Cr (N)960 N
Basic Static Axial Load Rating C0a (N)1540 N
Basic Dynamic Axial Load Rating Ca (N)N/A N
Material
Mass (kg)0.0087Kg 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 HWA424HP4 Thin Section Angular Contact Ball Bearings HWA424HP4 44.45 mm 38.1 mm 3.96748 mm

Frequently Asked Questions about HWA424HP4 Thin Section Angular Contact Ball Bearings

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

To ensure optimum performance of CHG Bearing HWA424HP4 Thin Section Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 38.1 mm bore. For the 44.45 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing HWA424HP4 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.
Each HWA424HP4 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (38.1 mm bore side) ensures perfect planar contact without edge binding.
The Open / Single-Sided Sealed / Double-Sided Sealed engineered for HWA424HP4 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
HWA424HP4 - Thin Section Angular Contact Ball Bearings CAD Drawing HWA424HP4 44.45 mm 38.1 mm 3.96748 mm