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Super Precision Angular Contact Ball Bearings 71936 CDGA/P4B

Super Precision Angular Contact Ball Bearings 71936 CDGA/P4B

The 71936 CDGA/P4B is a super precision angular contact ball bearing with a 280mm bore and 380mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 37800 lbf and operates smoothly at speeds up to 7500 RPM.

With a 15° contact angle and extra light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for high-precision machinery like spindles or CNC equipment, where accuracy is key. It can be used in back-to-back, face-to-face, or tandem arrangements for versatile setups.

Weighing 4.2kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards, it ensures reliable performance in temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it’s a practical choice for replacements.

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Product Parameters

  • Part Number 71936 CDGA/P4B
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 280 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 380 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 33 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 22.225 mm
  • Ball Qty 27
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 37800 lbf
  • Static Radial Load 47700 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 4.2 kg
Super Precision Angular Contact Ball Bearings 71936 CDGA/P4B dimension drawing
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Features

Performance Features of 71936 CDGA/P4B Bearing

71936 CDGA/P4B Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls provide strong resistance to radial loads, with a dynamic capacity of 37800 lbf.

The phenolic cage ensures smooth operation at high speeds, up to 7,500 rpm.

With a P4 tolerance class, it delivers precise performance in demanding conditions.

Application

Key Fields for 71936 CDGA/P4B Bearing
71936 CDGA/P4B Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In aerospace applications, 71936 CDGA/P4B Bearing supports critical components like turbine shafts, thanks to its extra light preload and P4 tolerance. Its chrome steel construction provides durability under demanding conditions.

For automation systems, 71936 CDGA/P4B Bearing excels in robotic arms and CNC machines, where consistent performance is essential. The open seal type allows for easy lubrication, extending its service life.

Medical imaging devices also benefit from 71936 CDGA/P4B Bearing’s precision, ensuring smooth operation in equipment like MRI scanners. Its universal matching capability simplifies installation in complex setups.

Q&A

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