Super-precision Angular Contact Ball Bearings

71906 ACE/HCP4ALDT - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71906 ACE/HCP4ALDT is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 30 mm bore diameter, a 47 mm outer diameter, and a 18 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 Number71906 ACE/HCP4ALDT
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-speed E Design
Universally MatchableNo
Matched ArrangementTandem (DT)
Number of Bearings in Set2
Axial Clearance / PreloadNot Applicable
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
FeaturesSuitable for Direct Oil-air Lubrication
Dimensions
Bore Diameter (d)30 mm
Width (B)18 mm
Outer Diameter (D)47 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)8.71 kN
Basic Static Load Rating C₀ (kN)6.1 kN
Material
Weight (kg)0.087 kg
CAD Drawing and Dimensions for 71906 ACE/HCP4ALDT Super-precision Angular Contact Ball Bearings 71906 ACE/HCP4ALDT 47 mm 30 mm 18 mm

Frequently Asked Questions about 71906 ACE/HCP4ALDT Super-precision Angular Contact Ball Bearings

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

Sourcing 71906 ACE/HCP4ALDT 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 match diverse operational dynamics, CHG Bearing supplies 71906 ACE/HCP4ALDT with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 71906 ACE/HCP4ALDT. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Engineered according to international ISO boundary plans, CHG Bearing supplies 71906 ACE/HCP4ALDT with a precision bore diameter (d) of 30 mm, an outside diameter (D) of 47 mm, and a nominal ring width (B) of 18 mm. This configuration yields an effective cross-sectional wall thickness of 8.5 mm and an envelope ratio (D/d) of 1.57, delivering compact rigidity for OEM machinery housings.
71906 ACE/HCP4ALDT - Super-precision Angular Contact Ball Bearings CAD Drawing 71906 ACE/HCP4ALDT 47 mm 30 mm 18 mm