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Super Precision Angular Contact Ball Bearings S71922 ACB/P4A

Super Precision Angular Contact Ball Bearings S71922 ACB/P4A

The S71922 ACB/P4A is a super precision angular contact ball bearing with a 110mm bore and 150mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with matched arrangements and preload options available.

This bearing handles radial loads up to 5558 lbf and operates smoothly at speeds up to 10,000 RPM. Its phenolic cage ensures durability, while the lubricated design reduces friction for efficient performance.

The P4 tolerance class (ABEC-7) guarantees high precision, making it suitable for demanding applications. Ideal for use in machine tools or high-speed spindles where accuracy and reliability are crucial.

Weighing 0.93kg, it’s robust yet manageable for its size. Compliant with standard temperature ranges from -30°C to 110°C, it’s a versatile choice for precision engineering needs.

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Product Parameters

  • Part Number S71922 ACB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 110 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 8.731 mm
  • Ball Qty 37
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5558 lbf
  • Static Radial Load 5738 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 10000 rpm
  • Weight 0.93 kg
  • Price（$） 1694.376
Super Precision Angular Contact Ball Bearings S71922 ACB/P4A dimension drawing
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Features

Performance Features of S71922 ACB/P4A Bearing

S71922 ACB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and precision in high-speed operations.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 10,000 rpm, it delivers reliable efficiency in demanding conditions.

S71922 ACB/P4A Bearing’s sealed design protects against contaminants, extending its service life.
Its dynamic radial load capacity of 5558 lbf makes it suitable for heavy-duty applications.

The P4 tolerance class ensures high precision, meeting strict industry standards.
Lubrication is pre-applied, reducing maintenance needs and ensuring smooth operation.

S71922 ACB/P4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its robust construction and quality materials make it a dependable choice for precision tasks.

Application

Industrial Uses of S71922 ACB/P4A Bearing
S71922 ACB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain lubrication, reducing maintenance needs in demanding industrial environments.

Where Is S71922 ACB/P4A Bearing Used?
You’ll find S71922 ACB/P4A Bearing in automotive transmissions, where its 25° contact angle handles combined radial and thrust loads efficiently. The phenolic cage also dampens vibrations, contributing to smoother gear shifts.

Built for Heavy-Duty Use: S71922 ACB/P4A Bearing
S71922 ACB/P4A Bearing excels in robotics, particularly in articulated arms requiring precise movement. Its P4 tolerance class ensures minimal runout, critical for repeatable accuracy in automated processes.

Medical vs Industrial: Where S71922 ACB/P4A Bearing Excels
In medical imaging devices, S71922 ACB/P4A Bearing’s chrome steel construction provides reliable performance under continuous operation. Meanwhile, its matched arrangement option makes it equally suitable for industrial pumps and compressors.

How Does S71922 ACB/P4A Bearing Support High-Speed Operations?
With a maximum speed of 10,000 rpm, S71922 ACB/P4A Bearing is ideal for dental drill handpieces and small CNC spindles. The lubricated design ensures consistent performance even during prolonged high-speed use.

Q&A

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