Super-precision Angular Contact Ball Bearings

71920 ACDGA/HCP4AL - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71920 ACDGA/HCP4AL is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 100 mm bore diameter, a 140 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 Number71920 ACDGA/HCP4AL
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 ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
FeaturesSuitable for Direct Oil-air Lubrication
Dimensions
Bore Diameter (d)100 mm
Width (B)20 mm
Outer Diameter (D)140 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)57.2 kN
Basic Static Load Rating C₀ (kN)63 kN
Material
Weight (kg)0.66 kg
CAD Drawing and Dimensions for 71920 ACDGA/HCP4AL Super-precision Angular Contact Ball Bearings 71920 ACDGA/HCP4AL 140 mm 100 mm 20 mm

Frequently Asked Questions about 71920 ACDGA/HCP4AL Super-precision Angular Contact Ball Bearings

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

For international ocean and air freight, CHG Bearing packs 71920 ACDGA/HCP4AL 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.
Built for demanding industrial environments, the 71920 ACDGA/HCP4AL Super-precision Angular Contact Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
Absolutely. The CHG Bearing 71920 ACDGA/HCP4AL Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71920 ACDGA/HCP4AL, FAG 71920 ACDGA/HCP4AL, NSK 71920 ACDGA/HCP4AL. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Beyond standard alloy steel, CHG Bearing can customize the 71920 ACDGA/HCP4AL 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.
71920 ACDGA/HCP4AL - Super-precision Angular Contact Ball Bearings CAD Drawing 71920 ACDGA/HCP4AL 140 mm 100 mm 20 mm