Super-precision Angular Contact Ball Bearings

S71906 ACDGA/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S71906 ACDGA/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 NumberS71906 ACDGA/HCP4A
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Seal TypeNon-contact Seal
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 ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingSealed on Both Sides
LubricantGrease
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)6.76 kN
Basic Static Load Rating C₀ (kN)4.3 kN
Material
Weight (kg)0.044 kg
CAD Drawing and Dimensions for S71906 ACDGA/HCP4A Super-precision Angular Contact Ball Bearings S71906 ACDGA/HCP4A 47 mm 30 mm 9 mm

Frequently Asked Questions about S71906 ACDGA/HCP4A Super-precision Angular Contact Ball Bearings

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

Beyond standard alloy steel, CHG Bearing can customize the S71906 ACDGA/HCP4A Super-precision Angular Contact Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
The CHG Bearing S71906 ACDGA/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, 100% of S71906 ACDGA/HCP4A Super-precision Angular Contact Ball Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing S71906 ACDGA/HCP4A correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
S71906 ACDGA/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing S71906 ACDGA/HCP4A 47 mm 30 mm 9 mm