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Super Precision Angular Contact Ball Bearings S71907 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings S71907 ACEGA/HCP4A

The S71907 ACEGA/HCP4A is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, measuring just 10mm wide. Made from chrome steel and ceramic balls, it offers smooth operation and durability.

With a 25° contact angle, it handles radial loads up to 1638 lbf and spins at speeds up to 56,000 RPM. The sealed design keeps grease in and contaminants out, ensuring long service life.

Its phenolic cage and P4A tolerance class provide excellent precision, ideal for high-speed applications. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing only 0.066kg, it’s perfect for precision machinery like spindles or dental tools where accuracy and speed are crucial. Compliant with standard temperature ranges from -30°C to 110°C.

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Product Parameters

  • Part Number S71907 ACEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 19
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • 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 1638 lbf
  • Static Radial Load 990 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.066 kg
Super Precision Angular Contact Ball Bearings S71907 ACEGA/HCP4A dimension drawing
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Features

Performance Features of S71907 ACEGA/HCP4A Bearing

S71907 ACEGA/HCP4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.

The ceramic balls and chrome steel rings provide excellent durability and reduced friction during high-speed operation.

With a maximum speed of 56,000 rpm, it ensures smooth performance in precision applications.

The sealed design and grease lubrication minimise maintenance needs, making it a reliable choice.

Application

Common Applications of S71907 ACEGA/HCP4A Bearing
S71907 ACEGA/HCP4A Bearing is widely used in high-speed machine tools, where its precision and ceramic balls ensure smooth operation. The sealed design keeps contaminants out, making it ideal for dusty workshop environments.

In robotics, S71907 ACEGA/HCP4A Bearing supports articulated arms, providing stability during rapid movements. Its phenolic cage reduces friction, enhancing efficiency in automated systems.

For medical imaging devices, S71907 ACEGA/HCP4A Bearing’s P4A tolerance class guarantees accuracy in critical components. The grease lubrication ensures quiet performance, essential for sensitive diagnostic equipment.

In electric motors, S71907 ACEGA/HCP4A Bearing handles angular contact loads efficiently, thanks to its 25° contact angle. The extra light preload makes it suitable for applications requiring minimal resistance.

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