Super Precision Angular Contact Ball Bearings 71909 ACD/P4A

Super Precision Angular Contact Ball Bearings 71909 ACD/P4A

The 71909 ACD/P4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 2790 lbf and operates smoothly at speeds up to 28,000 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, enhancing its performance in demanding conditions.

This bearing is ideal for high-precision applications like machine tool spindles or dental equipment. Its P4 tolerance class ensures reliable accuracy and smooth operation.

Weighing just 0.13kg, it’s lightweight yet durable. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades. Suitable for temperatures ranging from -30°C to 110°C.

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Product Parameters

  • Part Number 71909 ACD/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 6.35 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2790 lbf
  • Static Radial Load 2025 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.13 kg
  • Price($) 324.171

Features

Engineered for Precision: 71909 ACD/P4A Bearing

71909 ACD/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 2790 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 28,000 rpm.
With a P4 tolerance class, it delivers reliable accuracy for demanding industrial uses.

71909 ACD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its open design allows for easy lubrication, ensuring consistent performance over time.

Application

Key Fields for 71909 ACD/P4A Bearing
71909 ACD/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, extending its lifespan in demanding conditions.

In automotive applications, 71909 ACD/P4A Bearing supports components like wheel hubs and transmissions, handling both radial and axial loads smoothly. Its phenolic cage offers durability while reducing friction during high-speed rotations.

For robotics, 71909 ACD/P4A Bearing provides reliable motion control in robotic arms and automated systems. The P4 tolerance class ensures minimal vibration, crucial for maintaining precision in repetitive tasks.

Medical imaging devices benefit from 71909 ACD/P4A Bearing’s consistent performance, thanks to its chrome steel construction. The high-speed capability makes it suitable for scanners and diagnostic equipment requiring quiet operation.

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