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Super Precision Angular Contact Ball Bearings S71912 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings S71912 ACD/P4AQBCA

The S71912 ACD/P4AQBCA is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and sealed design ensure smooth operation under angular loads.

This set includes four matched bearings with extra light preload, ideal for high-speed applications up to 36,000 RPM. The phenolic cage and grease lubrication enhance durability and reduce friction.

With a dynamic radial load capacity of 11,115 lbf, it’s suited for precision machinery like spindles or CNC tools. The P4A tolerance class guarantees consistent performance in demanding conditions.

Operating between -30°C and 110°C, this bearing is interchangeable with SKF models. Its compact size (60mm×85mm×52mm) and 0.78kg weight make it a practical choice for space-sensitive setups.

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Product Parameters

  • Part Number S71912 ACD/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 11115 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.78 kg
Super Precision Angular Contact Ball Bearings S71912 ACD/P4AQBCA dimension drawing
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Features

Performance Features of S71912 ACD/P4AQBCA Bearing

S71912 ACD/P4AQBCA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

The bearing’s dynamic radial load capacity of 11115 lbf makes it suitable for high-performance machinery.
With a maximum speed of 36,000 rpm, it delivers reliable operation in demanding conditions.

S71912 ACD/P4AQBCA Bearing comes pre-greased, reducing maintenance needs and extending service life.
Its sealed design protects against contaminants, ensuring smooth performance in various environments.

The matched set of four bearings provides consistent performance in angular contact applications.
Tolerance class P4A ensures high precision, making it ideal for critical industrial uses.

Application

Industrial Uses of S71912 ACD/P4AQBCA Bearing
S71912 ACD/P4AQBCA Bearing is commonly used in high-speed machine tools, where its precision and extra light preload ensure smooth operation. The sealed design helps maintain performance in environments with dust or debris.

In automotive applications, S71912 ACD/P4AQBCA Bearing supports components like electric motors and gearboxes, thanks to its angular contact design. The matched set of four bearings provides stability under varying loads.

For medical imaging devices, S71912 ACD/P4AQBCA Bearing’s phenolic cage and chrome steel construction offer reliable performance. Its high-speed capability makes it suitable for rotating components in diagnostic equipment.

Automation and robotics benefit from S71912 ACD/P4AQBCA Bearing’s low tolerance and high dynamic load capacity. It’s often found in robotic arms and precision positioning systems.

In consumer electronics, S71912 ACD/P4AQBCA Bearing ensures quiet and efficient operation in devices like high-end printers. The grease lubrication extends its lifespan even with frequent use.

Q&A

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