Super-precision Angular Contact Ball Bearings

7009 ACD/P4ADGB - Super-precision Angular Contact Ball Bearings

Manufactured by CHG Bearing, the 7009 ACD/P4ADGB 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 32 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/P4ADGB
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-capacity D Design
Universally MatchableYes – Back-to-back (DB), Face-to-face (DF), or Tandem (DT)
Matched ArrangementUniversal Matching
Number of Bearings in Set2
Axial Clearance / PreloadLight Preload
Tolerance ClassP4A
Bearing MaterialBearing Steel
SealingOpen
Dimensions
Bore Diameter (d)45 mm
Width (B)32 mm
Outer Diameter (D)75 mm
Contact Angle α (°)25 °
Performance
Basic Dynamic Load Rating C (kN)44.2 kN
Basic Static Load Rating C₀ (kN)43 kN
Material
Weight (kg)0.462 kg
CAD Drawing and Dimensions for 7009 ACD/P4ADGB Super-precision Angular Contact Ball Bearings 7009 ACD/P4ADGB 75 mm 45 mm 32 mm

Frequently Asked Questions about 7009 ACD/P4ADGB Super-precision Angular Contact Ball Bearings

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

The CHG Bearing 7009 ACD/P4ADGB is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Standard batches of CHG Bearing 7009 ACD/P4ADGB 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.
Absolutely. The CHG Bearing 7009 ACD/P4ADGB Super-precision Angular Contact Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 7009 ACD/P4ADGB, FAG 7009 ACD/P4ADGB, NSK 7009 ACD/P4ADGB. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
In its sealed configuration (Open Type), CHG Bearing pre-charges 7009 ACD/P4ADGB with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
7009 ACD/P4ADGB - Super-precision Angular Contact Ball Bearings CAD Drawing 7009 ACD/P4ADGB 75 mm 45 mm 32 mm