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Super Precision Angular Contact Ball Bearings 71936 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71936 ACD/P4AQBCA

The 71936 ACD/P4AQBCA is a super precision angular contact ball bearing with a 180mm bore and 250mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 95175 lbf and operates smoothly at speeds up to 16250 RPM.

Its 25° contact angle and matched set of four bearings provide excellent stability and load distribution. The phenolic cage ensures durability and quiet operation, even under high stress.

Designed for extra light preload (Class A), this bearing is ideal for precision applications like machine tool spindles or high-speed robotics. It works reliably in temperatures from -30°C to 110°C.

Weighing 16.8kg, it’s a robust choice for heavy-duty machinery. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71936 ACD/P4AQBCA
  • 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 132 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 22.225 mm
  • Ball Qty 27
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 95175 lbf
  • Static Radial Load 180000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 16.8 kg
Super Precision Angular Contact Ball Bearings 71936 ACD/P4AQBCA dimension drawing
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Features

Performance Features of 71936 ACD/P4AQBCA Bearing

71936 ACD/P4AQBCA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 95175 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 16,250 rpm, it delivers smooth operation in demanding conditions.

71936 ACD/P4AQBCA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal energy loss and extended service life.

The matched arrangement of four bearings provides stability for high-precision tasks.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

Common Applications of 71936 ACD/P4AQBCA Bearing
71936 ACD/P4AQBCA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of four bearings provides stability in demanding industrial environments.

In aerospace applications, 71936 ACD/P4AQBCA Bearing supports critical components like turbine shafts, thanks to its high dynamic radial load capacity. The phenolic cage material helps reduce friction at high speeds.

For automation systems, 71936 ACD/P4AQBCA Bearing is ideal for robotic arms requiring smooth and precise movement. Its extra light preload class ensures minimal energy loss during operation.

Medical imaging devices benefit from 71936 ACD/P4AQBCA Bearing’s consistent performance and low vibration. The chrome steel construction ensures durability in sterile environments.

In high-speed packaging machinery, 71936 ACD/P4AQBCA Bearing’s P4A tolerance class guarantees reliable operation. The open seal design allows for easy lubrication maintenance.

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