Super-precision Angular Contact Ball Bearings

71920 ACE/HCP4ALDGA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 71920 ACE/HCP4ALDGA 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 40 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 ACE/HCP4ALDGA
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows2
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)
Matched ArrangementUniversal Matching
Number of Bearings in Set2
Axial Clearance / PreloadExtra-light Preload
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
FeaturesSuitable for Direct Oil-air Lubrication
Dimensions
Bore Diameter (d)100 mm
Width (B)40 mm
Outer Diameter (D)140 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)60.5 kN
Basic Static Load Rating C₀ (kN)60 kN
Material
Weight (kg)1.32 kg
CAD Drawing and Dimensions for 71920 ACE/HCP4ALDGA Super-precision Angular Contact Ball Bearings 71920 ACE/HCP4ALDGA 140 mm 100 mm 40 mm

Frequently Asked Questions about 71920 ACE/HCP4ALDGA Super-precision Angular Contact Ball Bearings

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

As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 71920 ACE/HCP4ALDGA. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Every production batch of CHG Bearing 71920 ACE/HCP4ALDGA 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.
Yes, 100% of 71920 ACE/HCP4ALDGA 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.
Absolutely. The CHG Bearing 71920 ACE/HCP4ALDGA Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 71920 ACE/HCP4ALDGA, FAG 71920 ACE/HCP4ALDGA, NSK 71920 ACE/HCP4ALDGA. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
71920 ACE/HCP4ALDGA - Super-precision Angular Contact Ball Bearings CAD Drawing 71920 ACE/HCP4ALDGA 140 mm 100 mm 40 mm