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Super Precision Angular Contact Ball Bearings 71904 CD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71904 CD/P4ATBTC

The 71904 CD/P4ATBTC is a super precision angular contact ball bearing, measuring 20mm by 37mm by 27mm. Made from chrome steel, it’s designed for high-speed operations, handling radial loads up to 2925 lbf.

With a 15° contact angle and open design, it offers smooth rotation at speeds up to 100,000 RPM. The phenolic cage ensures durability and reduces friction during use.

This bearing comes in a matched set of three, preloaded for moderate performance. Ideal for precision applications like machine tool spindles or high-speed motors.

It operates in temperatures from -30°C to 110°C and weighs just 0.11kg, making it lightweight yet robust. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71904 CD/P4ATBTC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 27 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 15
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2925 lbf
  • Static Radial Load 2171 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100000 rpm
  • Weight 0.11 kg
Super Precision Angular Contact Ball Bearings 71904 CD/P4ATBTC dimension drawing
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Features

Performance Features of 71904 CD/P4ATBTC Bearing

71904 CD/P4ATBTC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 2925 lbf, it handles demanding conditions reliably.

The P4A tolerance class guarantees precision, making it suitable for high-performance machinery.

Application

Industrial Uses of 71904 CD/P4ATBTC Bearing
71904 CD/P4ATBTC Bearing is commonly used in high-speed machine tools, where its angular contact design ensures precise spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

Where Is 71904 CD/P4ATBTC Bearing Used?
In automotive applications, 71904 CD/P4ATBTC Bearing supports gearbox systems, providing stability under angular loads. Its moderate preload helps maintain alignment in high-performance vehicles.

Built for Heavy-Duty Use: 71904 CD/P4ATBTC Bearing
For robotics, 71904 CD/P4ATBTC Bearing offers reliable performance in articulated arms, thanks to its chrome steel construction. The matched arrangement ensures consistent load distribution.

Medical vs Industrial: Where 71904 CD/P4ATBTC Bearing Excels
In medical imaging devices, 71904 CD/P4ATBTC Bearing delivers smooth motion for accurate scans. Its P4A tolerance class makes it ideal for precision-critical environments.

Perfect Fit for Automation: 71904 CD/P4ATBTC Bearing
71904 CD/P4ATBTC Bearing is a go-to choice for 3D printers, where its high-speed capability ensures precise layer deposition. The open design allows for easy lubrication maintenance.

Q&A

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