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Super Precision Angular Contact Ball Bearings 71907 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 71907 ACD/P4ATBTC

The 71907 ACD/P4ATBTC is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a set of three for matched arrangements.

This bearing handles radial loads up to 4478 lbf and reaches speeds of 56,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures smooth operation and durability.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precision. Ideal for machine tools or spindle drives where accuracy is key.

Weighing just 0.22kg, it’s lightweight yet robust. The temperature range of -30°C to 110°C ensures reliability in various environments. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71907 ACD/P4ATBTC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 30 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 21
  • 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 4478 lbf
  • Static Radial Load 4185 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.22 kg
  • Price（$） 232.236
Super Precision Angular Contact Ball Bearings 71907 ACD/P4ATBTC dimension drawing
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Features

Performance Features of 71907 ACD/P4ATBTC Bearing

71907 ACD/P4ATBTC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and resistance to wear.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 4478 lbf, it handles demanding conditions reliably.

71907 ACD/P4ATBTC Bearing operates at speeds up to 56,000 rpm, balancing speed and precision.
Its moderate preload (Class C) ensures smooth operation in matched arrangements of three bearings.

The open design allows for easy lubrication, extending service life.
Its P4A tolerance class guarantees high precision for critical applications.

71907 ACD/P4ATBTC Bearing functions in temperatures from -30°C to 110°C, ensuring versatility.
Its lightweight design (0.22 kg) makes it suitable for applications where weight matters.

Application

Common Applications of 71907 ACD/P4ATBTC Bearing
71907 ACD/P4ATBTC Bearing is widely used in high-speed machine tools, where its precision and moderate preload ensure smooth operation. The matched arrangement of three bearings provides excellent stability for spindle applications.

In robotics, 71907 ACD/P4ATBTC Bearing supports articulated arms, offering reliable performance under angular loads. Its phenolic cage reduces friction, making it ideal for repetitive movements.

For aerospace components, 71907 ACD/P4ATBTC Bearing’s chrome steel construction handles demanding conditions. The P4A tolerance class ensures consistent accuracy in critical systems.

Automotive testing equipment often relies on 71907 ACD/P4ATBTC Bearing for its durability. The open design allows for easy lubrication, extending service life in high-speed scenarios.

Medical imaging devices benefit from 71907 ACD/P4ATBTC Bearing’s low vibration. The 25° contact angle provides optimal load distribution for sensitive applications.

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