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Super Precision Angular Contact Ball Bearings 71826 CD/P4QBCB

Super Precision Angular Contact Ball Bearings 71826 CD/P4QBCB

The 71826 CD/P4QBCB is a super precision angular contact ball bearing with a 130mm bore and 165mm outer diameter, crafted from durable chrome steel. It measures 130mm by 165mm by 72mm, making it a compact yet robust unit for high-precision applications.

This bearing handles radial loads up to 22725 lbf and operates smoothly at speeds up to 11000 RPM. Its 15° contact angle and light preload ensure stable performance under angular loads.

The open design and phenolic cage allow for easy lubrication and long service life. It comes in a matched set of four bearings, ideal for applications requiring precise alignment.

Suitable for use in temperatures from -30°C to 110°C, this bearing is interchangeable with SKF models. Perfect for machine tools or high-speed spindles where accuracy and reliability are key.

Weighing 3.08kg, it offers a balance of strength and precision for demanding industrial environments.

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Product Parameters

  • Part Number 71826 CD/P4QBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 130 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 72 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 35
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 22725 lbf
  • Static Radial Load 47700 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 3.08 kg
Super Precision Angular Contact Ball Bearings 71826 CD/P4QBCB dimension drawing
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Features

Performance Features of 71826 CD/P4QBCB Bearing

71826 CD/P4QBCB Bearing is designed with a 15° contact angle, optimised for angular contact loads.

Its chrome steel rings and balls provide strong resistance to dynamic radial loads up to 22725 lbf.

The phenolic cage ensures smooth operation and reduces friction at high speeds.

With a maximum speed of 11,000 rpm, it delivers reliable performance in precision applications.

How Does 71826 CD/P4QBCB Bearing Reduce Friction?

71826 CD/P4QBCB Bearing features a phenolic cage that minimises friction during high-speed operation.

The precise ball arrangement with 35 chrome steel balls ensures even load distribution.

Its light preload design further enhances smooth movement and reduces wear.

This makes it suitable for applications requiring quiet and efficient performance.

Engineered for Precision: 71826 CD/P4QBCB Bearing

71826 CD/P4QBCB Bearing meets P4 tolerance class standards, ensuring high precision in demanding tasks.

The matched arrangement of four bearings provides consistent performance in angular contact applications.

Its chrome steel construction maintains dimensional stability under varying temperatures.

This bearing is ideal for machinery where accuracy and reliability are essential.

Chrome Steel vs Stainless Steel: Reliability of 71826 CD/P4QBCB Bearing

71826 CD/P4QBCB Bearing uses chrome steel for its rings and balls, offering excellent durability.

The material choice ensures resistance to wear and maintains performance under heavy loads.

Phenolic cage material further enhances its reliability by reducing friction and heat generation.

This combination makes it a dependable choice for precision engineering applications.

Application

Industrial Uses of 71826 CD/P4QBCB Bearing
The 71826 CD/P4QBCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its light preload and P4 tolerance make it suitable for applications demanding minimal vibration.

In automotive systems, 71826 CD/P4QBCB Bearing supports high-speed components like turbochargers and transmission shafts. The matched arrangement of four bearings provides stability under varying radial and axial loads.

For medical imaging devices, 71826 CD/P4QBCB Bearing’s phenolic cage and chrome steel construction offer reliable performance in sensitive environments. The open seal design allows for easy lubrication, extending service life in critical applications.

Automation and robotics benefit from 71826 CD/P4QBCB Bearing’s ability to handle combined loads in robotic arms and CNC systems. The 15° contact angle optimises load distribution for smooth, precise movements.

In aerospace applications, 71826 CD/P4QBCB Bearing’s temperature tolerance and high-speed capability make it a dependable choice for flight control systems. Its metric sizing ensures compatibility with international aircraft components.

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