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Super Precision Angular Contact Ball Bearings 7009 CEGA/P4A

Super Precision Angular Contact Ball Bearings 7009 CEGA/P4A

The 7009 CEGA/P4A is a super precision angular contact ball bearing with a 45mm bore and 75mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and handles radial loads up to 2925 lbf, spinning smoothly at speeds up to 46,000 RPM.

Its open design and phenolic cage ensure low friction and easy maintenance, while the P4A tolerance class guarantees high precision. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and can be used in matched sets for back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.24kg, it offers a balance of lightweight design and robust performance. The 21 balls, each 7.144mm in diameter, contribute to its smooth operation.

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Product Parameters

  • Part Number 7009 CEGA/P4A
  • 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 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2925 lbf
  • Static Radial Load 1912 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.24 kg
  • Price（$） 87.39
Super Precision Angular Contact Ball Bearings 7009 CEGA/P4A dimension drawing
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Features

Performance Features of 7009 CEGA/P4A Bearing

7009 CEGA/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 2925 lbf, it handles demanding conditions reliably.
The extra light preload (Class A) minimises friction, contributing to efficient performance.

7009 CEGA/P4A Bearing operates at speeds up to 46,000 rpm, making it suitable for precision machinery.
Its open design allows easy lubrication, maintaining consistent performance over time.

The P4A tolerance class ensures high precision, ideal for applications requiring tight tolerances.
Its universal matching capability supports flexible configurations like back-to-back or tandem arrangements.

Application

Key Fields for 7009 CEGA/P4A Bearing
7009 CEGA/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

In robotics, 7009 CEGA/P4A Bearing supports articulated arms, providing smooth movement with minimal vibration. Its extra light preload helps maintain positioning accuracy in automated systems.

For medical imaging devices, 7009 CEGA/P4A Bearing offers reliable performance due to its chrome steel construction. The open design allows for easy lubrication, extending service life in critical applications.

Automotive applications like electric motor shafts benefit from 7009 CEGA/P4A Bearing’s high-speed capability. The P4A tolerance class ensures consistent performance under varying loads.

In 3D printers, 7009 CEGA/P4A Bearing contributes to precise linear motion, thanks to its low friction and high rigidity. The metric sizing makes it compatible with most European-designed equipment.

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