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Super Precision Angular Contact Ball Bearings 71926 CD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71926 CD/P4ATBTB

The 71926 CD/P4ATBTB is a super precision angular contact ball bearing with a 130mm bore and 180mm outer diameter, measuring 72mm in width. Made from chrome steel, it’s designed for high accuracy and durability.

With a 15° contact angle and light preload, it handles radial loads up to 44775 lbf and spins smoothly at 7500 RPM. The open design allows easy lubrication, while the phenolic cage ensures quiet operation.

This set includes three matched bearings arranged in a TBT configuration, ideal for applications requiring precise alignment. Suitable for machine tools or high-speed spindles where accuracy is key.

Weighing 4.65kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement. Works in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71926 CD/P4ATBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 130 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 72 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 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 44775 lbf
  • Static Radial Load 73125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 4.65 kg
Super Precision Angular Contact Ball Bearings 71926 CD/P4ATBTB dimension drawing
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Features

Performance Features of 71926 CD/P4ATBTB Bearing

71926 CD/P4ATBTB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 44775 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 7,500 rpm.
With a matched arrangement of three bearings, it provides stability in angular contact scenarios.

71926 CD/P4ATBTB Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its P4A tolerance class guarantees high precision, making it suitable for demanding industrial uses.

The open design simplifies lubrication, maintaining performance over extended periods.
Weighing 4.65 kg, it balances strength and practicality for heavy-duty applications.

Application

Industrial Uses of 71926 CD/P4ATBTB Bearing
71926 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 demanding industrial environments.

In automotive applications, 71926 CD/P4ATBTB Bearing supports high-performance gearboxes, offering smooth operation under radial and axial loads. Its phenolic cage reduces friction, making it suitable for high-speed scenarios.

For medical imaging devices, 71926 CD/P4ATBTB Bearing’s chrome steel construction delivers reliable performance in critical equipment. The P4A tolerance class ensures consistent precision in sensitive applications.

Automation systems benefit from 71926 CD/P4ATBTB Bearing’s light preload, which enhances responsiveness in robotic arms. The open design allows for easy lubrication, extending service life in continuous operation.

In consumer electronics, 71926 CD/P4ATBTB Bearing is found in high-end printers, where its low noise and vibration improve print quality. The metric sizing ensures compatibility with various European and Asian models.

Q&A

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