Super-precision Angular Contact Ball Bearings

7009 FEGA/HCP4AH1 - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7009 FEGA/HCP4AH1 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 Number7009 FEGA/HCP4AH1
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 A
Tolerance ClassP4A
Bearing MaterialHybrid (Steel Rings / Ceramic Balls)
SealingOpen
FeaturesSuitable for Direct Oil-air Lubrication
Dimensions
Bore Diameter (d)45 mm
Width (B)16 mm
Outer Diameter (D)75 mm
Contact Angle α (°)18 °
Performance
Basic Dynamic Load Rating C (kN)12.7 kN
Basic Static Load Rating C₀ (kN)8.5 kN
Material
Weight (kg)0.212 kg
CAD Drawing and Dimensions for 7009 FEGA/HCP4AH1 Super-precision Angular Contact Ball Bearings 7009 FEGA/HCP4AH1 75 mm 45 mm 16 mm

Frequently Asked Questions about 7009 FEGA/HCP4AH1 Super-precision Angular Contact Ball Bearings

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

Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 7009 FEGA/HCP4AH1 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.
To ensure optimum performance of CHG Bearing 7009 FEGA/HCP4AH1 Super-precision Angular Contact Ball Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 45 mm bore. For the 75 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
To safeguard CHG Bearing 7009 FEGA/HCP4AH1 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (45 mm x 75 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Each 7009 FEGA/HCP4AH1 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (45 mm bore side) ensures perfect planar contact without edge binding.
7009 FEGA/HCP4AH1 - Super-precision Angular Contact Ball Bearings CAD Drawing 7009 FEGA/HCP4AH1 75 mm 45 mm 16 mm