Super-precision Angular Contact Ball Bearings

71930 ACDGC/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71930 ACDGC/HCP4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 150 mm bore diameter, a 210 mm outer diameter, and a 28 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 Number71930 ACDGC/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-capacity D Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Axial Clearance / PreloadPreload Class C
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)150 mm
Width (B)28 mm
Outer Diameter (D)210 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)108 kN
Basic Static Load Rating C₀ (kN)125 kN
Material
Weight (kg)2.06 kg
CAD Drawing and Dimensions for 71930 ACDGC/HCP4A Super-precision Angular Contact Ball Bearings 71930 ACDGC/HCP4A 210 mm 150 mm 28 mm

Frequently Asked Questions about 71930 ACDGC/HCP4A Super-precision Angular Contact Ball Bearings

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

Each 71930 ACDGC/HCP4A produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (150 mm bore side) ensures perfect planar contact without edge binding.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71930 ACDGC/HCP4A, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Sourcing 71930 ACDGC/HCP4A 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.
The CHG Bearing 71930 ACDGC/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.
71930 ACDGC/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing 71930 ACDGC/HCP4A 210 mm 150 mm 28 mm