Super-precision Angular Contact Ball Bearings

7020 ACEGA/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7020 ACEGA/HCP4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 100 mm bore diameter, a 150 mm outer diameter, and a 24 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 Number7020 ACEGA/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-speed E 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
Dimensions
Bore Diameter (d)100 mm
Width (B)24 mm
Outer Diameter (D)150 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)42.3 kN
Basic Static Load Rating C₀ (kN)38 kN
Material
Weight (kg)1.13 kg
CAD Drawing and Dimensions for 7020 ACEGA/HCP4A Super-precision Angular Contact Ball Bearings 7020 ACEGA/HCP4A 150 mm 100 mm 24 mm

Frequently Asked Questions about 7020 ACEGA/HCP4A Super-precision Angular Contact Ball Bearings

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

To extend the trouble-free lifespan of CHG Bearing 7020 ACEGA/HCP4A, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
The Open Type engineered for 7020 ACEGA/HCP4A 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 7020 ACEGA/HCP4A 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 100 mm bore. For the 150 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
To safeguard CHG Bearing 7020 ACEGA/HCP4A against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (100 mm x 150 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
7020 ACEGA/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing 7020 ACEGA/HCP4A 150 mm 100 mm 24 mm