Super-precision Angular Contact Ball Bearings

71805 CDGA/HCP4 - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71805 CDGA/HCP4 is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 25 mm bore diameter, a 37 mm outer diameter, and a 7 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 Number71805 CDGA/HCP4
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows1
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-capacity D Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Axial Clearance / PreloadPreload Class A
Tolerance ClassP4
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)25 mm
Width (B)7 mm
Outer Diameter (D)37 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)4.16 kN
Basic Static Load Rating C₀ (kN)3.2 kN
Material
Weight (kg)0.021 kg
CAD Drawing and Dimensions for 71805 CDGA/HCP4 Super-precision Angular Contact Ball Bearings 71805 CDGA/HCP4 37 mm 25 mm 7 mm

Frequently Asked Questions about 71805 CDGA/HCP4 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 71805 CDGA/HCP4 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 71805 CDGA/HCP4 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (25 mm x 37 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71805 CDGA/HCP4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Engineered according to international ISO boundary plans, CHG Bearing supplies 71805 CDGA/HCP4 with a precision bore diameter (d) of 25 mm, an outside diameter (D) of 37 mm, and a nominal ring width (B) of 7 mm. This configuration yields an effective cross-sectional wall thickness of 6.0 mm and an envelope ratio (D/d) of 1.48, delivering compact rigidity for OEM machinery housings.
71805 CDGA/HCP4 - Super-precision Angular Contact Ball Bearings CAD Drawing 71805 CDGA/HCP4 37 mm 25 mm 7 mm