Super-precision Angular Contact Ball Bearings

71910 CE/HCP4AQBCA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71910 CE/HCP4AQBCA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 50 mm bore diameter, a 72 mm outer diameter, and a 48 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 Number71910 CE/HCP4AQBCA
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows4
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-speed E Design
Universally MatchableNo
Number of Bearings in Set4
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)50 mm
Width (B)48 mm
Outer Diameter (D)72 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)33.8 kN
Basic Static Load Rating C₀ (kN)34.5 kN
Material
Weight (kg)0.472 kg
CAD Drawing and Dimensions for 71910 CE/HCP4AQBCA Super-precision Angular Contact Ball Bearings 71910 CE/HCP4AQBCA 72 mm 50 mm 48 mm

Frequently Asked Questions about 71910 CE/HCP4AQBCA Super-precision Angular Contact Ball Bearings

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

Built for demanding industrial environments, the 71910 CE/HCP4AQBCA Super-precision 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.
To safeguard CHG Bearing 71910 CE/HCP4AQBCA against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (50 mm x 72 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
To ensure optimum performance of CHG Bearing 71910 CE/HCP4AQBCA Super-precision Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 50 mm bore. For the 72 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71910 CE/HCP4AQBCA, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
71910 CE/HCP4AQBCA - Super-precision Angular Contact Ball Bearings CAD Drawing 71910 CE/HCP4AQBCA 72 mm 50 mm 48 mm