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Super Precision Angular Contact Ball Bearings 71908 CD/P4ADGC

Super Precision Angular Contact Ball Bearings 71908 CD/P4ADGC

The 71908 CD/P4ADGC is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. It supports radial loads up to 4478 lbf and operates smoothly at high speeds, reaching up to 56,000 RPM.

Designed with a 15° contact angle and universal matching, it offers flexibility for back-to-back or face-to-face arrangements. The phenolic cage ensures quiet operation and long service life.

Ideal for precision applications like machine tool spindles or high-speed motors, where accuracy and reliability are key. Its moderate preload (Class C) enhances stability under load.

Weighing just 0.22kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for exceptional performance.

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Product Parameters

  • Part Number 71908 CD/P4ADGC
  • 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 24 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • 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 4478 lbf
  • Static Radial Load 3825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.22 kg
Super Precision Angular Contact Ball Bearings 71908 CD/P4ADGC dimension drawing
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Features

Performance Features of 71908 CD/P4ADGC Bearing

71908 CD/P4ADGC Bearing is crafted with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 4478 lbf, it handles demanding conditions with ease.
The universal matching design allows flexible arrangements like back-to-back or face-to-face mounting.

Operating at speeds up to 56,000 rpm, it maintains precision and stability.
The P4A tolerance class ensures high accuracy, making it suitable for precision machinery.

Its moderate preload (Class C) enhances rigidity without compromising smooth operation.
The lubricated design further reduces wear, extending the bearing’s service life.

Application

Key Fields for 71908 CD/P4ADGC Bearing
71908 CD/P4ADGC Bearing is commonly used in high-precision machine tools, where its moderate preload and 15° contact angle ensure accurate spindle rotation. The open design and phenolic cage make it suitable for high-speed operations without compromising stability.

Where Is 71908 CD/P4ADGC Bearing Used?
In automotive applications, 71908 CD/P4ADGC Bearing can be found in gearboxes and electric motors, where its angular contact design handles combined loads effectively. The universal matching feature allows for flexible arrangements in compact spaces.

Perfect Fit for Automation: 71908 CD/P4ADGC Bearing
For robotic arms and automation systems, 71908 CD/P4ADGC Bearing offers reliable performance due to its P4A tolerance class and chrome steel construction. Its high-speed capability makes it ideal for repetitive, precision tasks.

Medical vs Industrial: Where 71908 CD/P4ADGC Bearing Excels
In medical imaging equipment, 71908 CD/P4ADGC Bearing provides smooth and quiet operation, essential for sensitive diagnostics. Meanwhile, in industrial settings, its durability and load capacity make it a go-to for heavy machinery.

Practical Applications of 71908 CD/P4ADGC Bearing
71908 CD/P4ADGC Bearing is a popular choice for 3D printers, where its precision and speed contribute to consistent print quality. The lubricated design ensures long service life even in continuous operation.

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