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Super Precision Angular Contact Ball Bearings 71809 ACD/P4TBTL

Super Precision Angular Contact Ball Bearings 71809 ACD/P4TBTL

The 71809 ACD/P4TBTL is a super precision angular contact ball bearing with a 45mm bore and 58mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2239 lbf and spins smoothly at speeds up to 46,000 RPM.

With a 25° contact angle and preload option, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing comes in a matched set of three, arranged in a TBT configuration for balanced performance. Ideal for machine tools or spindle drives where accuracy is key.

Weighing just 0.12kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C and interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71809 ACD/P4TBTL
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 58 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 21 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 31
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2239 lbf
  • Static Radial Load 3375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.12 kg
Super Precision Angular Contact Ball Bearings 71809 ACD/P4TBTL dimension drawing
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Features

Performance Features of 71809 ACD/P4TBTL Bearing

71809 ACD/P4TBTL Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 46,000 rpm, it is ideal for precision machinery requiring high rotational accuracy.

71809 ACD/P4TBTL Bearing’s P4 tolerance class guarantees consistent performance in demanding environments.
Its matched arrangement of three bearings provides stability and balanced load handling.

The dynamic radial load capacity of 2239 lbf ensures reliability in various applications.
Lubrication is pre-applied, simplifying initial setup and reducing maintenance needs.

Application

Key Fields for 71809 ACD/P4TBTL Bearing
71809 ACD/P4TBTL Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability for demanding operations.

In robotics, 71809 ACD/P4TBTL Bearing supports articulated arms, offering smooth movement and load distribution. Its phenolic cage reduces friction, making it ideal for repetitive tasks.

For aerospace applications, 71809 ACD/P4TBTL Bearing handles both radial and axial loads in navigation systems. The P4 tolerance class guarantees reliability in critical environments.

Medical imaging devices benefit from 71809 ACD/P4TBTL Bearing’s low vibration and high-speed capability. The chrome steel construction ensures long-term performance in sterile conditions.

Automotive testing equipment relies on 71809 ACD/P4TBTL Bearing for precise measurements. Its lubricated design minimises wear during extended use.

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