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Super Precision Angular Contact Ball Bearings 71909 CD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71909 CD/P4ATBTA

The 71909 CD/P4ATBTA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 6322 lbf and spins smoothly at speeds up to 41,000 RPM.

Its 15° contact angle and matched arrangement of three bearings provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and operates in temperatures from -30°C to 110°C. Ideal for machine tools or spindle drives where precision and speed are key.

Weighing just 0.39kg, it’s a lightweight yet robust choice for demanding industrial environments. Interchangeable with SKF bearings for hassle-free replacements.

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Product Parameters

  • Part Number 71909 CD/P4ATBTA
  • 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 36 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • 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 6322 lbf
  • Static Radial Load 6412 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.39 kg
Super Precision Angular Contact Ball Bearings 71909 CD/P4ATBTA dimension drawing
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Features

Performance Features of 71909 CD/P4ATBTA Bearing

71909 CD/P4ATBTA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 6322 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds up to 41,000 rpm.
This bearing operates efficiently within a temperature range of -30°C to 110°C, making it versatile for various conditions.

With its extra light preload class A, 71909 CD/P4ATBTA Bearing offers precise motion control in matched arrangements of three bearings.
Its open seal design allows for easy lubrication, ensuring long service life with minimal maintenance.

Application

Industrial Uses of 71909 CD/P4ATBTA Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In automotive applications, 71909 CD/P4ATBTA Bearing supports gearbox systems, providing smooth performance under radial loads. Its metric sizing and compatibility with SKF models make it a versatile choice for various vehicle designs.

For automation equipment, 71909 CD/P4ATBTA Bearing excels in robotic arms, where its extra light preload enhances precision. The chrome steel construction ensures durability in continuous operation.

Medical imaging devices benefit from 71909 CD/P4ATBTA Bearing’s low tolerance class, ensuring reliable performance in sensitive environments. The open seal design allows for easy maintenance in clinical settings.

In consumer electronics, 71909 CD/P4ATBTA Bearing is found in high-end printers, where its balanced load handling improves print quality. The temperature range also makes it adaptable to different operating conditions.

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