Super-precision Angular Contact Ball Bearings

7020 ACD/P4ATBTC - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7020 ACD/P4ATBTC 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 72 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 ACD/P4ATBTC
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows3
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-capacity D Design
Universally MatchableNo
Number of Bearings in Set3
Axial Clearance / PreloadMedium Preload
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)100 mm
Width (B)72 mm
Outer Diameter (D)150 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)172 kN
Basic Static Load Rating C₀ (kN)240 kN
Material
Weight (kg)3.73 kg
CAD Drawing and Dimensions for 7020 ACD/P4ATBTC Super-precision Angular Contact Ball Bearings 7020 ACD/P4ATBTC 150 mm 100 mm 72 mm

Frequently Asked Questions about 7020 ACD/P4ATBTC Super-precision Angular Contact Ball Bearings

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

In its sealed configuration (Open Type), CHG Bearing pre-charges 7020 ACD/P4ATBTC with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
The Open Type engineered for 7020 ACD/P4ATBTC 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.
Standard batches of CHG Bearing 7020 ACD/P4ATBTC 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.
As standard production, CHG Bearing subjects 7020 ACD/P4ATBTC to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
7020 ACD/P4ATBTC - Super-precision Angular Contact Ball Bearings CAD Drawing 7020 ACD/P4ATBTC 150 mm 100 mm 72 mm