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Super Precision Angular Contact Ball Bearings S71913 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings S71913 ACDGA/HCP4A

The S71913 ACDGA/HCP4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. Its compact 13mm width makes it suitable for tight spaces while handling radial loads up to 4388 lbf.

Featuring a 25° contact angle and ceramic balls, it spins smoothly at high speeds up to 31,000 RPM. The sealed design keeps grease in and contaminants out, ensuring long-lasting performance in temperatures from -30°C to 110°C.

With an extra-light preload and P4A tolerance class, it offers excellent precision for demanding applications. The phenolic cage adds durability while reducing friction.

Ideal for high-speed machinery like spindles or CNC tools, this bearing can be matched in sets for back-to-back, face-to-face, or tandem arrangements. Weighing just 0.18kg, it balances strength and lightweight design.

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Product Parameters

  • Part Number S71913 ACDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 4388 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.18 kg
Super Precision Angular Contact Ball Bearings S71913 ACDGA/HCP4A dimension drawing
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Features

Performance Features of S71913 ACDGA/HCP4A Bearing

S71913 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 4388 lbf, it excels in demanding applications.

S71913 ACDGA/HCP4A Bearing operates smoothly at speeds up to 31,000 rpm, thanks to its grease lubrication.
Its P4A tolerance class guarantees exceptional accuracy for precision tasks.

The sealed design protects against contaminants, extending service life in harsh environments.
Its lightweight construction at 0.18 kg ensures easy handling without compromising strength.

Application

Super Precision Angular Contact Ball Bearings S71913 ACDGA/HCP4A is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The P4A tolerance ensures exceptional accuracy in precision grinding applications.

In robotics, S71913 ACDGA/HCP4A supports articulated arms, thanks to its angular contact design handling combined radial and axial loads. The sealed construction keeps contaminants out, extending service life in demanding environments.

For aerospace applications, S71913 ACDGA/HCP4A’s lightweight phenolic cage and grease lubrication make it suitable for auxiliary systems requiring reliability at high speeds. Its temperature range accommodates both cold and moderate operating conditions.

In medical imaging devices, S71913 ACDGA/HCP4A’s low vibration and quiet operation enhance performance. The chrome steel rings and ceramic balls provide durability without compromising precision in sensitive equipment.

Automotive electric motors benefit from S71913 ACDGA/HCP4A’s ability to handle high rotational speeds. The extra light preload ensures smooth power transmission, making it ideal for hybrid and electric vehicle systems.

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