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Super Precision Angular Contact Ball Bearings 7009 ACE/HCP4ADBA

Super Precision Angular Contact Ball Bearings 7009 ACE/HCP4ADBA

The 7009 ACE/HCP4ADBA is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of two bearings for balanced performance.

This bearing handles radial loads up to 4478 lbf and spins smoothly at speeds up to 46,000 RPM, thanks to its ceramic balls and phenolic cage. Its open design allows for easy lubrication, ensuring long-lasting operation.

With an extra light preload and P4A tolerance class, it offers precise and reliable performance. Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy is key.

Weighing 0.45kg, it’s lightweight yet durable, suitable for temperatures from -30°C to 110°C. The matched set arrangement ensures consistent performance in demanding conditions.

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Product Parameters

  • Part Number 7009 ACE/HCP4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 75 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 32 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3668 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.45 kg
Super Precision Angular Contact Ball Bearings 7009 ACE/HCP4ADBA dimension drawing
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Features

Engineered for Precision: 7009 ACE/HCP4ADBA Bearing

7009 ACE/HCP4ADBA Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
The ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

With a dynamic radial load capacity of 4478 lbf, it handles demanding tasks reliably.
Its phenolic cage maintains ball alignment, reducing wear and extending service life.

The P4A tolerance class guarantees exceptional accuracy for precision instruments.
Lubricated for efficiency, it supports speeds up to 46,000 rpm without compromising performance.

Designed for matched arrangement (DB), it ensures balanced load distribution.
The open seal type allows easy maintenance while operating in temperatures from -30°C to 110°C.

Application

Key Fields for 7009 ACE/HCP4ADBA Bearing
7009 ACE/HCP4ADBA Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The ceramic balls reduce friction, making it ideal for applications demanding smooth rotation.

In robotics, 7009 ACE/HCP4ADBA Bearing supports articulated arms, providing stability and load capacity for repetitive movements. Its matched arrangement enhances alignment, crucial for maintaining precision in automated systems.

For aerospace components, 7009 ACE/HCP4ADBA Bearing’s phenolic cage and chrome steel rings offer durability under varying temperatures. The extra light preload ensures minimal resistance, perfect for sensitive instrumentation.

In medical imaging devices, 7009 ACE/HCP4ADBA Bearing’s P4A tolerance class guarantees consistent operation. The lubricated design also extends service life, reducing maintenance needs in critical healthcare equipment.

Consumer electronics like high-end printers benefit from 7009 ACE/HCP4ADBA Bearing’s quiet operation. The ceramic balls and phenolic cage work together to minimise noise, enhancing user experience.

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