Super-precision Angular Contact Ball Bearings

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

Manufactured by CHG Bearing, the 7020 CEGA/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 CEGA/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 (°)15 °
Performance
Basic Dynamic Load Rating C (kN)44.9 kN
Basic Static Load Rating C₀ (kN)40 kN
Material
Weight (kg)1.13 kg
CAD Drawing and Dimensions for 7020 CEGA/HCP4A Super-precision Angular Contact Ball Bearings 7020 CEGA/HCP4A 150 mm 100 mm 24 mm

Frequently Asked Questions about 7020 CEGA/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 CEGA/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.
Absolutely. The CHG Bearing 7020 CEGA/HCP4A Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 7020 CEGA/HCP4A, FAG 7020 CEGA/HCP4A, NSK 7020 CEGA/HCP4A. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Model 7020 CEGA/HCP4A is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 100 mm) and steep thermal gradients between inner and outer rings.
The CHG Bearing 7020 CEGA/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.
7020 CEGA/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing 7020 CEGA/HCP4A 150 mm 100 mm 24 mm