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Super Precision Angular Contact Ball Bearings S71909 CE/HCP4AQBCA

Super Precision Angular Contact Ball Bearings S71909 CE/HCP4AQBCA

The S71909 CE/HCP4AQBCA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 6075 lbf and spins smoothly at speeds up to 46,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet operation. The 15° contact angle and extra-light preload make it ideal for high-precision applications.

This set includes four matched bearings (QBC arrangement), offering consistent performance. Perfect for machine tools or spindle drives where accuracy and speed are crucial.

Weighing 0.46kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for reliable performance.

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Product Parameters

  • Part Number S71909 CE/HCP4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 6075 lbf
  • Static Radial Load 6188 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.46 kg
  • Price（$） 431.928
Super Precision Angular Contact Ball Bearings S71909 CE/HCP4AQBCA dimension drawing
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Features

How Is S71909 CE/HCP4AQBCA Bearing Engineered for Reliability?

S71909 CE/HCP4AQBCA Bearing features a 15° contact angle, optimised for precision angular contact applications.
The ceramic balls and chrome steel rings enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 6075 lbf, it handles demanding conditions without compromising performance.
The phenolic cage ensures stability, even at high speeds of up to 46,000 rpm.

Sealed for protection, S71909 CE/HCP4AQBCA Bearing operates reliably in temperatures from -30°C to 110°C.
Its matched arrangement of four bearings provides consistent performance in precision setups.

Application

Industrial Uses of S71909 CE/HCP4AQBCA Bearing
S71909 CE/HCP4AQBCA Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The sealed design helps keep contaminants out, extending service life in demanding environments.

In robotics, S71909 CE/HCP4AQBCA Bearing provides reliable angular contact support for articulated arms, ensuring accurate movement. Its phenolic cage offers lightweight durability, ideal for repetitive motions.

For medical imaging devices, S71909 CE/HCP4AQBCA Bearing’s P4A tolerance class delivers the consistency needed for precise positioning. The grease lubrication ensures quiet performance, crucial in sensitive diagnostic equipment.

Automotive applications like electric vehicle motors benefit from S71909 CE/HCP4AQBCA Bearing’s high-speed capability and extra light preload. The matched set arrangement enhances stability under varying loads.

In aerospace systems, S71909 CE/HCP4AQBCA Bearing handles both radial and axial loads efficiently. Its temperature range suits everything from cold altitudes to engine-mounted components.

Q&A

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