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Super Precision Angular Contact Ball Bearings 71909 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71909 ACD/P4ATBTC

The 71909 ACD/P4ATBTC is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched set of three bearings for balanced performance.

This bearing handles radial loads up to 5962 lbf and can spin at speeds up to 41,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and reduces friction.

Designed with moderate preload (Class C), it offers stability under angular contact loads. The open seal type allows for easy lubrication and maintenance. Ideal for precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 0.39kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it ensures reliable performance in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71909 ACD/P4ATBTC
  • 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 25°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5962 lbf
  • Static Radial Load 6075 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 ACD/P4ATBTC dimension drawing
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Features

Why Choose 71909 ACD/P4ATBTC Bearing for Precision Tasks?

71909 ACD/P4ATBTC Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage minimises friction for smooth operation.

With a dynamic radial load capacity of 5962 lbf, it handles demanding tasks with ease.
The P4A tolerance class guarantees consistent performance in precision machinery.

Operating at speeds up to 41,000 rpm, it balances speed and reliability.
Its moderate preload (Class C) ensures stable performance without excessive wear.

The matched arrangement of three bearings enhances load distribution and longevity.
This makes 71909 ACD/P4ATBTC Bearing ideal for applications requiring both precision and durability.

Application

Key Fields for 71909 ACD/P4ATBTC Bearing
71909 ACD/P4ATBTC Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides stability in demanding operations.

In automotive applications, 71909 ACD/P4ATBTC Bearing supports gearbox systems, handling both radial and axial loads efficiently. Its moderate preload helps maintain performance in high-speed scenarios.

For robotics, 71909 ACD/P4ATBTC Bearing is ideal for articulated arms, offering smooth movement and durability. The phenolic cage reduces friction, enhancing longevity in continuous use.

Medical imaging devices benefit from 71909 ACD/P4ATBTC Bearing’s precision, ensuring reliable operation in critical diagnostics. The chrome steel construction resists wear in sterile environments.

In 3D printing, 71909 ACD/P4ATBTC Bearing contributes to precise layer alignment, improving print quality. Its open design allows for easy lubrication, maintaining performance over time.

Q&A

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