Super-precision Angular Contact Ball Bearings

S7009 ACEGA/HCP4A - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the S7009 ACEGA/HCP4A is a precision Super-precision Angular Contact Ball Bearings. Key dimensional parameters include a 45 mm bore diameter, a 75 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 NumberS7009 ACEGA/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 A
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingSealed on Both Sides
LubricantGrease
Dimensions
Bore Diameter (d)45 mm
Width (B)16 mm
Outer Diameter (D)75 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)12.1 kN
Basic Static Load Rating C₀ (kN)8.15 kN
Material
Weight (kg)0.213 kg
CAD Drawing and Dimensions for S7009 ACEGA/HCP4A Super-precision Angular Contact Ball Bearings S7009 ACEGA/HCP4A 75 mm 45 mm 16 mm

Frequently Asked Questions about S7009 ACEGA/HCP4A Super-precision Angular Contact Ball Bearings

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

As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for S7009 ACEGA/HCP4A. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
To extend the trouble-free lifespan of CHG Bearing S7009 ACEGA/HCP4A, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Model S7009 ACEGA/HCP4A is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 45 mm) and steep thermal gradients between inner and outer rings.
The Non-contact Seal engineered for S7009 ACEGA/HCP4A 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.
S7009 ACEGA/HCP4A - Super-precision Angular Contact Ball Bearings CAD Drawing S7009 ACEGA/HCP4A 75 mm 45 mm 16 mm