Super-precision Angular Contact Ball Bearings

71830 ACDGA/HCP4 - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71830 ACDGA/HCP4 is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 150 mm bore diameter, a 190 mm outer diameter, and a 20 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 Number71830 ACDGA/HCP4
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 A
Tolerance ClassP4
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)150 mm
Width (B)20 mm
Outer Diameter (D)190 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)48.8 kN
Basic Static Load Rating C₀ (kN)68 kN
Material
Weight (kg)1.05 kg
CAD Drawing and Dimensions for 71830 ACDGA/HCP4 Super-precision Angular Contact Ball Bearings 71830 ACDGA/HCP4 190 mm 150 mm 20 mm

Frequently Asked Questions about 71830 ACDGA/HCP4 Super-precision Angular Contact Ball Bearings

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

The Open Type engineered for 71830 ACDGA/HCP4 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.
To ensure optimum performance of CHG Bearing 71830 ACDGA/HCP4 Super-precision Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 150 mm bore. For the 190 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
For international ocean and air freight, CHG Bearing packs 71830 ACDGA/HCP4 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71830 ACDGA/HCP4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
71830 ACDGA/HCP4 - Super-precision Angular Contact Ball Bearings CAD Drawing 71830 ACDGA/HCP4 190 mm 150 mm 20 mm