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Super Precision Angular Contact Ball Bearings 71826 ACD/P4QBCB

Super Precision Angular Contact Ball Bearings 71826 ACD/P4QBCB

The 71826 ACD/P4QBCB is a super precision angular contact ball bearing with a 130mm bore and 165mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 21938 lbf and operates smoothly at speeds up to 11000 RPM.

Its 25° contact angle and matched set of four bearings provide excellent stability for angular loads. The phenolic cage ensures quiet, long-lasting performance, even in temperatures from -30°C to 110°C.

Preloaded for light operation, this bearing is ideal for high-precision applications like machine tool spindles or high-speed robotics. Its open design allows for easy lubrication and maintenance.

Weighing 3.08kg, it’s a robust choice for demanding environments. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71826 ACD/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 25°
  • 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 21938 lbf
  • Static Radial Load 45000 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 ACD/P4QBCB dimension drawing
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Features

Engineered for Precision: 71826 ACD/P4QBCB Bearing

71826 ACD/P4QBCB Bearing features a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 21938 lbf, it handles demanding conditions reliably.
The P4 tolerance class guarantees high precision, making it suitable for critical tasks.

Designed for high-speed operations, it supports speeds up to 11,000 rpm.
Its open design allows easy lubrication, maintaining smooth performance over time.

The matched arrangement of four bearings ensures consistent performance in angular contact applications.
Light preload (Class B) enhances stability without compromising efficiency.

Application

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

In robotics, 71826 ACD/P4QBCB Bearing supports articulated arms, providing smooth movement under combined radial and axial loads. Its phenolic cage offers quiet operation, ideal for automated environments.

For aerospace components, 71826 ACD/P4QBCB Bearing’s chrome steel construction handles high-speed rotations in navigation systems. The matched set arrangement enhances stability, crucial for precision instruments.

In medical imaging devices, 71826 ACD/P4QBCB Bearing’s low friction and high load capacity ensure reliable performance. The open design allows for easy lubrication, extending service life in critical applications.

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