Super-precision Angular Contact Ball Bearings

71906 ACEGA/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71906 ACEGA/HCP4A 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 9 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 ACEGA/HCP4A
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-speed E Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Axial Clearance / PreloadPreload Class A
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)30 mm
Width (B)9 mm
Outer Diameter (D)47 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)5.4 kN
Basic Static Load Rating C₀ (kN)3.05 kN
Material
Weight (kg)0.043 kg
CAD Drawing and Dimensions for 71906 ACEGA/HCP4A Super-precision Angular Contact Ball Bearings 71906 ACEGA/HCP4A 47 mm 30 mm 9 mm

Frequently Asked Questions about 71906 ACEGA/HCP4A Super-precision Angular Contact Ball Bearings

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

The Open Type engineered for 71906 ACEGA/HCP4A 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.
The CHG Bearing 71906 ACEGA/HCP4A is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71906 ACEGA/HCP4A, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Every production batch of CHG Bearing 71906 ACEGA/HCP4A Super-precision Angular Contact Ball Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
71906 ACEGA/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing 71906 ACEGA/HCP4A 47 mm 30 mm 9 mm