Super Precision Angular Contact Ball Bearings 71908 CDGC/P4A

Super Precision Angular Contact Ball Bearings 71908 CDGC/P4A

The 71908 CDGC/P4A is a super precision angular contact ball bearing, measuring 40mm by 62mm by 12mm, crafted from durable chrome steel. It features a 15° contact angle and is designed for moderate preload, making it suitable for high-precision applications.

With a dynamic radial load capacity of 2790 lbf, it spins smoothly at speeds up to 56,000 RPM. The open design allows for easy lubrication, while the phenolic cage ensures quiet and efficient operation.

This bearing is part of a universal matching set, compatible with back-to-back, face-to-face, or tandem arrangements. Ideal for machine tools or spindle drives where precision and reliability are key.

Weighing just 0.11kg, it meets P4A tolerance standards and operates in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for easy replacement.

Get A Free Quote

Product Parameters

  • Part Number 71908 CDGC/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2790 lbf
  • Static Radial Load 1912 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.11 kg

Features

Performance Features of 71908 CDGC/P4A Bearing

71908 CDGC/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under dynamic radial loads up to 2790 lbf.

The phenolic cage in 71908 CDGC/P4A Bearing maintains ball alignment, reducing friction and enhancing speed capabilities.
With a maximum speed of 56,000 rpm, it delivers smooth operation in high-speed environments.

71908 CDGC/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C, suitable for various conditions.
Its P4A tolerance class guarantees precision, making it ideal for demanding applications.

The moderate preload (Class C) in 71908 CDGC/P4A Bearing ensures stable performance without excessive rigidity.
Its universal matching capability allows flexible configurations like back-to-back or face-to-face arrangements.

Application

Industrial Uses of 71908 CDGC/P4A Bearing
71908 CDGC/P4A Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate spindle rotation. The open seal type allows for efficient lubrication, extending service life in demanding industrial settings.

Where Is 71908 CDGC/P4A Bearing Used?
You’ll often find 71908 CDGC/P4A Bearing in automotive transmissions, where its chrome steel construction handles radial and axial loads smoothly. Its P4A tolerance class makes it ideal for applications requiring tight precision and reliability.

Optimized for Performance: 71908 CDGC/P4A Bearing
71908 CDGC/P4A Bearing excels in robotics, particularly in articulated arms where its phenolic cage reduces friction during high-speed movements. The 15° contact angle provides stable support for dynamic loads.

Medical vs Industrial: Where 71908 CDGC/P4A Bearing Excels
In medical imaging devices, 71908 CDGC/P4A Bearing’s low noise operation is crucial for sensitive equipment. Meanwhile, industrial pumps benefit from its ability to withstand continuous operation at speeds up to 56,000 rpm.

Practical Applications of 71908 CDGC/P4A Bearing
71908 CDGC/P4A Bearing is a go-to choice for 3D printers, where its precision ensures smooth linear motion. The universal matching option also allows for flexible configurations in tandem or back-to-back arrangements.

Q&A

SEND INQUIRY