Super-precision Angular Contact Ball Bearings

71806 ACD/HCP4DGA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71806 ACD/HCP4DGA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 30 mm bore diameter, a 42 mm outer diameter, and a 14 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 Number71806 ACD/HCP4DGA
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows2
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)
Matched ArrangementUniversal Matching
Number of Bearings in Set2
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)30 mm
Width (B)14 mm
Outer Diameter (D)42 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)6.76 kN
Basic Static Load Rating C₀ (kN)7.1 kN
Material
Weight (kg)0.048 kg
CAD Drawing and Dimensions for 71806 ACD/HCP4DGA Super-precision Angular Contact Ball Bearings 71806 ACD/HCP4DGA 42 mm 30 mm 14 mm

Frequently Asked Questions about 71806 ACD/HCP4DGA Super-precision Angular Contact Ball Bearings

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

Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71806 ACD/HCP4DGA, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Sourcing 71806 ACD/HCP4DGA directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Super-precision Angular Contact Ball Bearings.
To safeguard CHG Bearing 71806 ACD/HCP4DGA against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (30 mm x 42 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Model 71806 ACD/HCP4DGA is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 30 mm) and steep thermal gradients between inner and outer rings.
71806 ACD/HCP4DGA - Super-precision Angular Contact Ball Bearings CAD Drawing 71806 ACD/HCP4DGA 42 mm 30 mm 14 mm