Super-precision Angular Contact Ball Bearings

7009 ACD/P4AQBCB - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7009 ACD/P4AQBCB 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 64 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 ACD/P4AQBCB
BrandCHG®
Characteristics
Bearing TypeSuper-precision Angular Contact Ball Bearing
Number of Rows4
Contact TypeNormal Contact (Two-point Contact)
Ring TypeIntegral Inner and Outer Rings
DesignHigh-capacity D Design
Universally MatchableNo
Number of Bearings in Set4
Axial Clearance / PreloadLight Preload
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)45 mm
Width (B)64 mm
Outer Diameter (D)75 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)72.8 kN
Basic Static Load Rating C₀ (kN)85 kN
Material
Weight (kg)0.924 kg
CAD Drawing and Dimensions for 7009 ACD/P4AQBCB Super-precision Angular Contact Ball Bearings 7009 ACD/P4AQBCB 75 mm 45 mm 64 mm

Frequently Asked Questions about 7009 ACD/P4AQBCB 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 7009 ACD/P4AQBCB. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 7009 ACD/P4AQBCB 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 7009 ACD/P4AQBCB 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.
As standard production, CHG Bearing subjects 7009 ACD/P4AQBCB to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
7009 ACD/P4AQBCB - Super-precision Angular Contact Ball Bearings CAD Drawing 7009 ACD/P4AQBCB 75 mm 45 mm 64 mm