Super-precision Angular Contact Ball Bearings

S7008 CEGB/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S7008 CEGB/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 NumberS7008 CEGB/HCP4A
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Seal TypeNon-contact Seal
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)
SealingSealed on Both Sides
LubricantGrease
Dimensions
Bore Diameter (d)40 mm
Width (B)15 mm
Outer Diameter (D)68 mm
Contact Angle α (°)15 °
Performance
Basic Dynamic Load Rating C (kN)12.4 kN
Basic Static Load Rating C₀ (kN)7.65 kN
Material
Weight (kg)0.176 kg
CAD Drawing and Dimensions for S7008 CEGB/HCP4A Super-precision Angular Contact Ball Bearings S7008 CEGB/HCP4A 68 mm 40 mm 15 mm

Frequently Asked Questions about S7008 CEGB/HCP4A Super-precision Angular Contact Ball Bearings

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

Absolutely. The CHG Bearing S7008 CEGB/HCP4A Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF S7008 CEGB/HCP4A, FAG S7008 CEGB/HCP4A, NSK S7008 CEGB/HCP4A. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
When fitting S7008 CEGB/HCP4A 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.
Standard batches of CHG Bearing S7008 CEGB/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.
To match diverse operational dynamics, CHG Bearing supplies S7008 CEGB/HCP4A with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
S7008 CEGB/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing S7008 CEGB/HCP4A 68 mm 40 mm 15 mm