Super-precision Angular Contact Ball Bearings

7008 FE/HCP4AH1DT - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7008 FE/HCP4AH1DT 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 30 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 FE/HCP4AH1DT
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 MatchableNo
Matched ArrangementTandem (DT)
Number of Bearings in Set2
Axial Clearance / PreloadNot Applicable
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
FeaturesSuitable for Direct Oil-air Lubrication
Dimensions
Bore Diameter (d)40 mm
Width (B)30 mm
Outer Diameter (D)68 mm
Contact Angle α (°)18 °
Performance
Basic Dynamic Load Rating C (kN)19.5 kN
Basic Static Load Rating C₀ (kN)15 kN
Material
Weight (kg)0.339 kg
CAD Drawing and Dimensions for 7008 FE/HCP4AH1DT Super-precision Angular Contact Ball Bearings 7008 FE/HCP4AH1DT 68 mm 40 mm 30 mm

Frequently Asked Questions about 7008 FE/HCP4AH1DT Super-precision Angular Contact Ball Bearings

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

Quality starts with raw material selection: CHG Bearing crafts 7008 FE/HCP4AH1DT 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.
Absolutely. The CHG Bearing 7008 FE/HCP4AH1DT Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 7008 FE/HCP4AH1DT, FAG 7008 FE/HCP4AH1DT, NSK 7008 FE/HCP4AH1DT. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
When fitting 7008 FE/HCP4AH1DT over a 40 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.
The Open Type engineered for 7008 FE/HCP4AH1DT 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.
7008 FE/HCP4AH1DT - Super-precision Angular Contact Ball Bearings CAD Drawing 7008 FE/HCP4AH1DT 68 mm 40 mm 30 mm