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Super Precision Angular Contact Ball Bearings 71909 CDGC/P4A

Super Precision Angular Contact Ball Bearings 71909 CDGC/P4A

The 71909 CDGC/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2925 lbf and spins smoothly at speeds up to 41,000 RPM.

With a 15° contact angle and moderate preload, it offers excellent stability for high-speed applications. The open design and phenolic cage ensure reliable performance with easy maintenance.

This bearing is suitable for temperatures from -30°C to 110°C and comes lubricated for immediate use. It can be arranged in back-to-back, face-to-face, or tandem configurations for versatile setups.

Ideal for precision machinery like spindles or CNC equipment, where accuracy and speed are crucial. Weighing just 0.13kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71909 CDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2925 lbf
  • Static Radial Load 2138 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71909 CDGC/P4A dimension drawing
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Features

Performance Features of 71909 CDGC/P4A Bearing

71909 CDGC/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and consistent performance under dynamic radial loads up to 2925 lbf.

The phenolic cage in 71909 CDGC/P4A Bearing maintains ball alignment, reducing friction and enhancing speed capabilities.
With a maximum speed of 41,000 rpm, it delivers smooth operation in high-speed scenarios.

71909 CDGC/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its precision P4A tolerance class guarantees reliable performance in demanding conditions.

The moderate preload (Class C) of 71909 CDGC/P4A Bearing ensures stable operation without excessive rigidity.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Application

Key Fields for 71909 CDGC/P4A Bearing
71909 CDGC/P4A Bearing is widely used in high-precision machine tools, where its moderate preload and 15° contact angle ensure accurate spindle performance. The open design and phenolic cage make it suitable for high-speed operations.

In robotics, 71909 CDGC/P4A Bearing supports articulated arms, providing smooth motion control with minimal friction. Its P4A tolerance class guarantees consistent precision in automated systems.

For medical imaging devices, 71909 CDGC/P4A Bearing’s chrome steel construction offers reliable performance under radial loads. The lubricated design ensures quiet operation, essential for sensitive equipment.

Automotive applications like electric vehicle motors benefit from 71909 CDGC/P4A Bearing’s high-speed capabilities. Its universal matching feature allows flexible configurations in compact spaces.

Q&A

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