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Super Precision Angular Contact Ball Bearings S71909 CDGA/P4A

Super Precision Angular Contact Ball Bearings S71909 CDGA/P4A

The S71909 CDGA/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes sealed for protection, with an extra light preload for smooth operation.

This bearing handles radial loads up to 2925 lbf and spins at speeds up to 46,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability and reduces friction during use.

The P4A tolerance class guarantees precise performance, while the grease lubrication simplifies maintenance. Ideal for machine tools or spindle applications where accuracy and speed are crucial.

Weighing just 0.13kg, it’s lightweight yet robust. It can be used in matched sets for back-to-back, face-to-face, or tandem arrangements, offering flexibility in design. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71909 CDGA/P4A
  • 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 12 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 Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2925 lbf
  • Static Radial Load 2138 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.13 kg
  • Price（$） 87.192
Super Precision Angular Contact Ball Bearings S71909 CDGA/P4A dimension drawing
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Features

Why Choose S71909 CDGA/P4A Bearing for Precision Tasks?

S71909 CDGA/P4A Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.

Its chrome steel rings and balls ensure durability, while the phenolic cage minimises friction for smooth operation.

With a maximum speed of 46,000 rpm, it excels in high-speed applications without compromising performance.

The P4A tolerance class guarantees exceptional accuracy, making it suitable for demanding industrial uses.

Application

Industrial Uses of S71909 CDGA/P4A Bearing
S71909 CDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The sealed construction helps keep contaminants out, extending its lifespan in demanding environments.

In automotive applications, S71909 CDGA/P4A Bearing supports components like electric motors and transmissions, where its extra light preload reduces friction. The chrome steel construction also provides durability under continuous use.

For automation systems, S71909 CDGA/P4A Bearing is ideal for robotic arms and CNC machines, thanks to its high-speed capability and stable operation. The phenolic cage further enhances its performance by reducing weight and heat buildup.

In medical imaging devices, S71909 CDGA/P4A Bearing offers reliable performance due to its precise tolerances and smooth rotation. The grease lubrication ensures quiet operation, which is essential in sensitive medical environments.

For consumer electronics like high-end printers, S71909 CDGA/P4A Bearing provides consistent performance with minimal maintenance. Its compact size and metric dimensions make it a versatile choice for various compact devices.

Q&A

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