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Super Precision Angular Contact Ball Bearings S7009 ACE/HCP4ADT

Super Precision Angular Contact Ball Bearings S7009 ACE/HCP4ADT

The S7009 ACE/HCP4ADT is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 4478 lbf and reaches speeds of 46,000 RPM, making it suitable for high-performance applications.

Its sealed design and grease lubrication ensure low maintenance, while the phenolic cage offers stability. The 25° contact angle and matched arrangement (2 bearings) provide excellent load distribution and precision.

This bearing operates smoothly in temperatures from -30°C to 110°C and meets P4A tolerance standards for accuracy. Ideal for machine tools, spindles, or other high-speed equipment requiring reliable angular contact performance.

Weighing 0.46kg, it’s a robust yet lightweight choice for demanding industrial settings. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S7009 ACE/HCP4ADT
  • 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 Sealed
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • 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 Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.46 kg
Super Precision Angular Contact Ball Bearings S7009 ACE/HCP4ADT dimension drawing
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Features

Why Choose S7009 ACE/HCP4ADT Bearing for Precision Tasks?

S7009 ACE/HCP4ADT Bearing features a 25° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing durability and reducing wear.
With a dynamic radial load capacity of 4478 lbf, it handles demanding conditions effortlessly.

S7009 ACE/HCP4ADT Bearing is preloaded and matched for paired arrangements, ensuring consistent performance.
It operates at speeds up to 46,000 rpm, making it suitable for high-speed machinery.

The sealed design and grease lubrication reduce maintenance needs while extending service life.
Its P4A tolerance class guarantees precision, even in rigorous applications.

Application

Industrial Uses of S7009 ACE/HCP4ADT Bearing
S7009 ACE/HCP4ADT Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long service life in demanding environments.

In robotics, S7009 ACE/HCP4ADT Bearing provides precise motion control for articulated arms, thanks to its P4A tolerance class. The matched pair arrangement (DT) also helps maintain alignment under angular loads.

For medical imaging devices like CT scanners, S7009 ACE/HCP4ADT Bearing’s grease lubrication and -30°C to 110°C range ensure quiet, reliable operation. The chrome steel rings add durability for continuous use in critical applications.

Automotive vs Aerospace: Applications of S7009 ACE/HCP4ADT Bearing
In automotive turbochargers, S7009 ACE/HCP4ADT Bearing handles high RPMs with minimal vibration due to its balanced ceramic balls. The preload option further stabilises performance under sudden acceleration.

Aerospace applications benefit from S7009 ACE/HCP4ADT Bearing’s lightweight phenolic cage and 46,000 rpm limit in instrumentation systems. Its 25° contact angle efficiently manages combined radial and thrust loads during flight manoeuvres.

Q&A

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