Super-precision Angular Contact Ball Bearings

7001 CE/HCPA9ADGA - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7001 CE/HCPA9ADGA is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 12 mm bore diameter, a 28 mm outer diameter, and a 16 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 Number7001 CE/HCPA9ADGA
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 ClassPA9A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)12 mm
Width (B)16 mm
Outer Diameter (D)28 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)5.2 kN
Basic Static Load Rating C₀ (kN)2.65 kN
Material
Weight (kg)0.037 kg
CAD Drawing and Dimensions for 7001 CE/HCPA9ADGA Super-precision Angular Contact Ball Bearings 7001 CE/HCPA9ADGA 28 mm 12 mm 16 mm

Frequently Asked Questions about 7001 CE/HCPA9ADGA 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 7001 CE/HCPA9ADGA 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.
As standard production, CHG Bearing subjects 7001 CE/HCPA9ADGA 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.
Quality starts with raw material selection: CHG Bearing crafts 7001 CE/HCPA9ADGA inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
When fitting 7001 CE/HCPA9ADGA over a 12 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
7001 CE/HCPA9ADGA - Super-precision Angular Contact Ball Bearings CAD Drawing 7001 CE/HCPA9ADGA 28 mm 12 mm 16 mm