Super-precision Angular Contact Ball Bearings

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

Manufactured by CHG Bearing, the 7020 CE/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 CE/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 MatchableNo
Axial Clearance / PreloadNot Applicable
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
Limiting Speed – Grease (r/min)14500 r/min
Limiting Speed – Oil-air (r/min)22000 r/min
Material
Weight (kg)1.13 kg
CAD Drawing and Dimensions for 7020 CE/HCP4A Super-precision Angular Contact Ball Bearings 7020 CE/HCP4A 150 mm 100 mm 24 mm

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

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

Standard batches of CHG Bearing 7020 CE/HCP4A conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
Model 7020 CE/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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 7020 CE/HCP4A. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 7020 CE/HCP4A correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
7020 CE/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing 7020 CE/HCP4A 150 mm 100 mm 24 mm