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Super Precision Angular Contact Ball Bearings S71909 CB/P4A

Super Precision Angular Contact Ball Bearings S71909 CB/P4A

The S71909 CB/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes sealed for protection, with matched arrangements and preload options available.

This bearing handles radial loads up to 1667 lbf and operates smoothly at speeds up to 28,000 RPM. Its phenolic cage ensures durability, while the lubricated design reduces friction for efficient performance.

The P4 tolerance class (ABEC-7) guarantees high precision, making it suitable for demanding applications. It works well in temperatures from -30°C to 110°C.

Ideal for precision machinery like spindles or high-speed tools, this lightweight bearing weighs just 0.14kg. It’s interchangeable with SKF bearings, offering a reliable replacement option.

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Product Parameters

  • Part Number S71909 CB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 27
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1667 lbf
  • Static Radial Load 1316 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.14 kg
  • Price（$） 389.556
Super Precision Angular Contact Ball Bearings S71909 CB/P4A dimension drawing
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Features

Why Choose S71909 CB/P4A Bearing for Precision Tasks?

S71909 CB/P4A 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 1667 lbf, S71909 CB/P4A Bearing performs reliably in demanding applications.
The P4 tolerance class (ABEC-7) guarantees exceptional accuracy, making it suitable for high-speed machinery.

Sealed and preloaded options are available, enhancing performance and reducing maintenance needs.
It operates efficiently at speeds up to 28,000 rpm, balancing speed and precision effortlessly.

Application

Industrial Uses of S71909 CB/P4A Bearing
S71909 CB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In automotive applications, S71909 CB/P4A Bearing supports components like electric motors and gearboxes, providing smooth operation at high speeds. Its phenolic cage offers durability and reduces friction for better efficiency.

For medical imaging devices, S71909 CB/P4A Bearing’s precision and low noise make it ideal for sensitive equipment. The chrome steel construction ensures long-lasting performance in critical settings.

Automation systems benefit from S71909 CB/P4A Bearing’s ability to handle combined loads in robotic arms. The P4 tolerance class guarantees consistent performance in demanding applications.

In consumer electronics, S71909 CB/P4A Bearing is found in high-speed printers and scanners, where its reliability and quiet operation are key. The lubricated design ensures smooth movement over extended use.

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