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Super Precision Angular Contact Ball Bearings S71922 ACD/P4A

Super Precision Angular Contact Ball Bearings S71922 ACD/P4A

The S71922 ACD/P4A is a super precision angular contact ball bearing with a 110mm bore and 150mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 13162 lbf and operates smoothly at speeds up to 7500 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle provides excellent stability for angular loads.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and durability are key. It comes pre-lubricated and can withstand temperatures from -30°C to 110°C.

Weighing 0.88kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards, it’s a reliable choice for demanding industrial environments.

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Product Parameters

  • Part Number S71922 ACD/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 12.7 mm
  • Ball Qty 28
  • 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 13162 lbf
  • Static Radial Load 15300 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 7500 rpm
  • Weight 0.88 kg
  • Price（$） 1694.466
Super Precision Angular Contact Ball Bearings S71922 ACD/P4A dimension drawing
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Features

Performance Features of S71922 ACD/P4A Bearing

S71922 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to both dynamic and static radial loads.

The phenolic cage ensures smooth operation, even at high speeds up to 7,500 rpm.
With a P4 tolerance class, S71922 ACD/P4A Bearing delivers precision performance in demanding conditions.

Preload and matched arrangement options enhance stability and reduce vibration.
The sealed design keeps lubrication in place, extending maintenance intervals.

S71922 ACD/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its robust construction makes it suitable for high-precision machinery and industrial applications.

Application

Essential Roles of S71922 ACD/P4A Bearing
S71922 ACD/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 environments.

In aerospace applications, S71922 ACD/P4A Bearing supports critical components like turbine shafts, thanks to its high dynamic radial load capacity. The phenolic cage also provides stability under varying temperatures.

For robotics, S71922 ACD/P4A Bearing’s matched arrangement allows for smooth movement in articulated arms. Its P4 tolerance class ensures consistent performance in automated systems.

Medical imaging devices benefit from S71922 ACD/P4A Bearing’s low-noise operation and reliable angular contact. The chrome steel construction ensures long service life in sensitive equipment.

In electric motors, S71922 ACD/P4A Bearing handles high speeds efficiently, making it suitable for industrial drives. The preload option further enhances its performance in precision applications.

Q&A

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