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Super Precision Angular Contact Ball Bearings 71936 CD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71936 CD/P4ATBTB

The 71936 CD/P4ATBTB is a super precision angular contact ball bearing with a 180mm bore and 250mm outer diameter, crafted from durable chrome steel. It measures 180mm by 250mm by 99mm, making it a robust unit for high-performance applications.

With a 15° contact angle and light preload, it handles radial loads up to 81900 lbf and spins smoothly at speeds up to 11000 RPM. Its phenolic cage ensures stability and reduces friction during operation.

The open design allows for easy lubrication, while the matched set of three bearings (arranged TBT) provides balanced load distribution. Ideal for precision machinery like spindles or high-speed rotary tables.

Weighing 12.6kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s a reliable choice for demanding industrial environments.

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Product Parameters

  • Part Number 71936 CD/P4ATBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 180 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 250 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 99 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 22.225 mm
  • Ball Qty 27
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 81900 lbf
  • Static Radial Load 141750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 12.6 kg
Super Precision Angular Contact Ball Bearings 71936 CD/P4ATBTB dimension drawing
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Features

How Does 71936 CD/P4ATBTB Bearing Ensure Precision in High-Speed Applications?

71936 CD/P4ATBTB Bearing features a 15° contact angle, optimised for precise angular contact load handling.
Its chrome steel rings and balls enhance durability while maintaining high-speed performance.

The phenolic cage minimises friction, allowing speeds up to 11,000 rpm without compromising stability.
With a dynamic radial load capacity of 81,900 lbf, it handles demanding applications effortlessly.

Three matched bearings in a TBT arrangement ensure consistent performance and load distribution.
The P4A tolerance class guarantees exceptional precision for critical machinery needs.

Application

Industrial Uses of 71936 CD/P4ATBTB Bearing
71936 CD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability in heavy cutting operations.

In aerospace applications, 71936 CD/P4ATBTB Bearing supports helicopter transmissions, handling both radial and axial loads with ease. Its phenolic cage reduces friction, making it suitable for high-speed rotations.

For automation systems, 71936 CD/P4ATBTB Bearing is ideal for robotic arms, offering smooth movement and long service life. The light preload ensures minimal vibration during precise positioning tasks.

Medical imaging devices benefit from 71936 CD/P4ATBTB Bearing’s consistent performance and low noise levels. The chrome steel construction ensures reliability in critical diagnostic equipment.

In the energy sector, 71936 CD/P4ATBTB Bearing is used in wind turbine gearboxes, where its durability withstands variable loads. The P4A tolerance class guarantees precision even in demanding conditions.

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