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Super Precision Angular Contact Ball Bearings 71908 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71908 CD/P4ADBB

The 71908 CD/P4ADBB is a super precision angular contact ball bearing, measuring 40mm by 62mm by 24mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 4478 lbf and spins smoothly at speeds up to 56,000 RPM. Its phenolic cage ensures quiet operation and long service life, even under light preload conditions.

The open design allows for easy lubrication, making maintenance straightforward. It operates efficiently in temperatures ranging from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or high-speed robotics, where accuracy and reliability are key. Weighing just 0.22kg, it’s lightweight yet robust for demanding environments.

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Product Parameters

  • Part Number 71908 CD/P4ADBB
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 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/P4ADBB dimension drawing
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Features

Performance Features of 71908 CD/P4ADBB Bearing

71908 CD/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to wear, ensuring long-lasting performance.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 4478 lbf, it handles demanding conditions reliably.

71908 CD/P4ADBB Bearing operates efficiently at speeds up to 56,000 rpm, balancing speed and durability.
Its light preload design ensures precise performance in high-precision applications.

The matched arrangement of two bearings offers stability, making it suitable for complex setups.
Its temperature range of -30°C to 110°C ensures consistent performance in varying environments.

Application

Industrial Uses of 71908 CD/P4ADBB Bearing
71908 CD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability for demanding operations.

In automotive applications, 71908 CD/P4ADBB Bearing supports gearbox systems, handling both radial and axial loads efficiently. Its light preload and phenolic cage make it suitable for smooth, high-speed performance.

For medical imaging devices, 71908 CD/P4ADBB Bearing’s chrome steel construction offers reliable precision. The P4A tolerance class ensures minimal vibration, crucial for sensitive diagnostic equipment.

Automation systems benefit from 71908 CD/P4ADBB Bearing in robotic arms, where its 15° contact angle allows precise movement control. The open design simplifies lubrication maintenance for prolonged use.

In consumer electronics like high-end printers, 71908 CD/P4ADBB Bearing’s low noise operation enhances performance. Its metric sizing ensures compatibility with various compact device designs.

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