Super-precision Angular Contact Ball Bearings

7008 ACEGB/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7008 ACEGB/HCP4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 40 mm bore diameter, a 68 mm outer diameter, and a 15 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 Number7008 ACEGB/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 B
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
Dimensions
Bore Diameter (d)40 mm
Width (B)15 mm
Outer Diameter (D)68 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)11.7 kN
Basic Static Load Rating C₀ (kN)7.2 kN
Material
Weight (kg)0.17 kg
CAD Drawing and Dimensions for 7008 ACEGB/HCP4A Super-precision Angular Contact Ball Bearings 7008 ACEGB/HCP4A 68 mm 40 mm 15 mm

Frequently Asked Questions about 7008 ACEGB/HCP4A Super-precision Angular Contact Ball Bearings

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

Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 7008 ACEGB/HCP4A, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Beyond standard alloy steel, CHG Bearing can customize the 7008 ACEGB/HCP4A Super-precision Angular Contact Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 7008 ACEGB/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.
Quality starts with raw material selection: CHG Bearing crafts 7008 ACEGB/HCP4A 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.
7008 ACEGB/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing 7008 ACEGB/HCP4A 68 mm 40 mm 15 mm