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Super Precision Angular Contact Ball Bearings S71904 CE/P4AQBCA
Super Precision Angular Contact Ball Bearings S71904 CE/P4AQBCA

Super Precision Angular Contact Ball Bearings S71904 CE/P4AQBCA

The S71904 CE/P4AQBCA is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2925 lbf and spins smoothly at speeds up to 75,000 RPM.

Its sealed design keeps grease in place, reducing maintenance needs, while the phenolic cage ensures quiet operation. The bearing operates reliably in temperatures from -30°C to 110°C.

This model comes in a matched set of four bearings with an extra light preload, ideal for high-precision applications. Perfect for machine tools or spindle drives where accuracy and speed are crucial.

Weighing just 0.14kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number S71904 CE/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 14
  • Contact Angle 15°
  • 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 2925 lbf
  • Static Radial Load 2138 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 75000 rpm
  • Weight 0.14 kg

Features

Performance Features of S71904 CE/P4AQBCA Bearing

S71904 CE/P4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

The bearing’s matched arrangement of four units provides consistent performance in angular contact scenarios.
With a maximum speed of 75,000 rpm, it balances efficiency and reliability for demanding tasks.

S71904 CE/P4AQBCA Bearing operates effectively in temperatures ranging from -30°C to 110°C.
Its grease lubrication reduces maintenance needs, making it a practical choice for long-term use.

Application

Industrial Uses of S71904 CE/P4AQBCA Bearing
S71904 CE/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The sealed construction keeps contaminants out, extending service life in demanding environments.

In automotive applications, S71904 CE/P4AQBCA Bearing supports components like electric motors and gearboxes, offering smooth operation at high speeds. Its phenolic cage provides stability, reducing friction and wear over time.

For medical imaging devices, S71904 CE/P4AQBCA Bearing’s precision and low noise make it ideal for sensitive equipment. The grease lubrication ensures quiet performance, crucial for patient comfort during scans.

Automation systems benefit from S71904 CE/P4AQBCA Bearing’s matched arrangement, which enhances rigidity in robotic arms. The extra light preload allows for precise movement control in repetitive tasks.

In consumer electronics, S71904 CE/P4AQBCA Bearing is found in high-speed printers, where its durability and low maintenance requirements keep operations running smoothly. The metric sizing ensures compatibility with various compact designs.

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