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Super Precision Angular Contact Ball Bearings S71909 CE/HCP4ADGA

Super Precision Angular Contact Ball Bearings S71909 CE/HCP4ADGA

The S71909 is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, crafted from chrome steel for durability. Its compact 24mm width and ceramic balls ensure smooth operation at high speeds.

With a 15° contact angle and sealed design, it handles radial loads up to 3780 lbf and spins effortlessly at 46,000 RPM. The phenolic cage and grease lubrication make it low-maintenance and long-lasting.

This bearing is part of a matched set, suitable for universal arrangements like back-to-back or face-to-face mounting. Ideal for precision applications like machine tools or high-speed spindles where accuracy is key.

Weighing just 0.23kg, it operates smoothly in temperatures from -30°C to 110°C. Compliant with P4A tolerance class, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number S71909 CE/HCP4ADGA
  • 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 24 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3780 lbf
  • Static Radial Load 3082 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.23 kg
  • Price（$） 159.921
Super Precision Angular Contact Ball Bearings S71909 CE/HCP4ADGA dimension drawing
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Features

How Is S71909 CE/HCP4ADGA Bearing Engineered for Reliability?

S71909 CE/HCP4ADGA Bearing features a 15° contact angle, optimised for precision angular contact loads.
The ceramic balls and chrome steel rings enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 3780 lbf, it handles demanding applications effortlessly.
Its phenolic cage ensures stable performance even at high speeds up to 46,000 rpm.

The sealed design and grease lubrication minimise maintenance needs.
Universal matching allows flexible arrangements like back-to-back or face-to-face configurations.

Application

Industrial Uses of S71909 CE/HCP4ADGA Bearing
S71909 CE/HCP4ADGA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls and phenolic cage reduce friction, making it suitable for continuous operation.

In automotive applications, S71909 CE/HCP4ADGA Bearing supports electric motor shafts, providing stability under angular loads. Its sealed design helps maintain lubrication, even in demanding conditions.

For medical imaging devices, S71909 CE/HCP4ADGA Bearing’s P4A tolerance class delivers the consistency needed for precise movements. The universal matching feature allows flexible installation in compact spaces.

Automation systems benefit from S71909 CE/HCP4ADGA Bearing’s extra light preload, which minimises vibration in robotic arms. The grease lubrication ensures long service life with minimal maintenance.

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