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Super Precision Angular Contact Ball Bearings S7009 CB/P4A

Super Precision Angular Contact Ball Bearings S7009 CB/P4A

The S7009 CB/P4A is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2151 lbf and operates smoothly at high speeds up to 26000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle provides excellent stability for angular loads.

This bearing is available with preload and matched arrangements, making it versatile for precise applications. Ideal for machine tools, spindles, or high-speed equipment where accuracy is key.

Weighing just 0.26kg, it meets P4 tolerance standards for reliable performance in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S7009 CB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 75 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 25
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2151 lbf
  • Static Radial Load 1620 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 26000 rpm
  • Weight 0.26 kg
  • Price（$） 276.741
Super Precision Angular Contact Ball Bearings S7009 CB/P4A dimension drawing
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Features

Why Choose S7009 CB/P4A Bearing for Precision Tasks?

S7009 CB/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 2151 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 26,000 rpm, it delivers reliable efficiency in demanding conditions.

Sealed design and preload availability make S7009 CB/P4A Bearing suitable for matched arrangements.
Its P4 tolerance class guarantees precision, meeting ABEC-7 standards for critical applications.

Application

Industrial Uses of S7009 CB/P4A Bearing
The S7009 CB/P4A Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. Its sealed design helps maintain performance in dusty or humid workshop conditions.

In robotics, S7009 CB/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. The P4 tolerance class makes it ideal for applications demanding tight rotational accuracy.

For medical imaging devices like CT scanners, S7009 CB/P4A Bearing’s chrome steel construction offers reliable operation during prolonged use. The lubricated design ensures quiet performance, crucial in sensitive healthcare environments.

Automotive applications include electric vehicle motors, where S7009 CB/P4A Bearing handles combined loads efficiently. Its matched arrangement option allows for customised preload settings in performance transmission systems.

In aerospace components, S7009 CB/P4A Bearing’s high-speed capability (26,000 rpm) suits auxiliary power units. The temperature stability (-30° to 110°C) ensures consistent performance across flight conditions.

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