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Super Precision Angular Contact Ball Bearings S7009 ACE/P4ATBTB

Super Precision Angular Contact Ball Bearings S7009 ACE/P4ATBTB

The S7009 ACE/P4ATBTB is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from high-quality chrome steel. Its sealed design and phenolic cage ensure smooth operation at speeds up to 46,000 RPM.

With a 25° contact angle and light preload, it handles radial loads up to 5962 lbf, making it ideal for high-speed applications. The matched set of three bearings (TBT arrangement) provides excellent stability.

This bearing is lubricated with grease and operates in temperatures from -30°C to 110°C. It’s interchangeable with SKF models, offering a reliable replacement option.

Perfect for precision machinery like spindles or CNC equipment, where accuracy and speed are crucial. Weighing 0.74kg, it balances durability and performance.

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Product Parameters

  • Part Number S7009 ACE/P4ATBTB
  • 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 48 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5962 lbf
  • Static Radial Load 5512 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.74 kg
Super Precision Angular Contact Ball Bearings S7009 ACE/P4ATBTB dimension drawing
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Features

Engineered for Precision: S7009 ACE/P4ATBTB Bearing

S7009 ACE/P4ATBTB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and consistent performance under dynamic radial loads up to 5962 lbf.

The sealed design and phenolic cage reduce friction, allowing speeds up to 46,000 rpm.
With a tight P4A tolerance class, it delivers reliable accuracy in demanding setups.

Three matched bearings in a TBT arrangement provide balanced load distribution.
The light preload (Class B) enhances stability without compromising smooth operation.

Application

Common Applications of S7009 ACE/P4ATBTB Bearing
S7009 ACE/P4ATBTB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S7009 ACE/P4ATBTB Bearing provides smooth motion control for articulated arms, thanks to its light preload and matched arrangement. The phenolic cage reduces friction, making it ideal for repetitive movements.

For aerospace applications, S7009 ACE/P4ATBTB Bearing handles both radial and axial loads in components like landing gear systems. Its P4A tolerance class guarantees consistent performance under extreme conditions.

Automotive enthusiasts appreciate S7009 ACE/P4ATBTB Bearing in performance gearboxes, where its high-speed capability enhances shifting precision. The grease lubrication ensures quiet operation even at maximum RPM.

In medical imaging devices, S7009 ACE/P4ATBTB Bearing’s chrome steel construction delivers reliable rotation for CT scanner gantries. The 25° contact angle optimises load distribution during prolonged use.

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