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Super Precision Angular Contact Ball Bearings 71909 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 71909 CD/P4ADBA

The 71909 CD/P4ADBA is a super precision angular contact ball bearing, measuring 45mm by 68mm 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 4770 lbf and spins smoothly at speeds up to 41,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

The open design allows for easy lubrication, while the extra light preload ensures minimal friction. Ideal for high-precision applications like machine tool spindles or high-speed motors.

With a temperature range of -30°C to 110°C, it’s suitable for various industrial environments. Weighing just 0.26kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71909 CD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 23
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4770 lbf
  • Static Radial Load 4275 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.26 kg
  • Price（$） 185.184
Super Precision Angular Contact Ball Bearings 71909 CD/P4ADBA dimension drawing
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Features

Why Choose 71909 CD/P4ADBA Bearing for Precision Tasks?

71909 CD/P4ADBA Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 4770 lbf, it performs reliably in demanding applications.
The P4A tolerance class guarantees exceptional accuracy, making it suitable for high-speed operations up to 41,000 rpm.

The matched arrangement of two bearings (DB) provides stability and balanced load distribution.
Its extra light preload (Class A) ensures minimal friction, enhancing efficiency and longevity.

Application

Key Fields for 71909 CD/P4ADBA Bearing
71909 CD/P4ADBA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 71909 CD/P4ADBA Bearing supports high-speed components like turbochargers and electric motors. Its extra light preload helps reduce friction, improving overall efficiency.

For robotics, 71909 CD/P4ADBA Bearing offers smooth motion control in articulated arms and precision gears. The phenolic cage material ensures quiet operation, which is essential in automated systems.

Medical imaging devices benefit from 71909 CD/P4ADBA Bearing’s consistent performance and low vibration. The chrome steel construction provides durability in critical healthcare equipment.

In aerospace, 71909 CD/P4ADBA Bearing is chosen for its reliability in navigation systems and flight control mechanisms. The P4A tolerance class guarantees precision even under extreme conditions.

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