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Super Precision Angular Contact Ball Bearings 71918 ACDGA/P4AL
Super Precision Angular Contact Ball Bearings 71918 ACDGA/P4AL

Super Precision Angular Contact Ball Bearings 71918 ACDGA/P4AL

The 71918 ACDGA/P4AL is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and extra light preload ensure smooth operation under radial loads up to 9945 lbf.

Designed for high-speed applications, it can handle rotations up to 15000 RPM and operates in temperatures from -30°C to 110°C. The phenolic cage enhances durability while maintaining low friction.

This bearing is available in matched sets of three, suitable for universal mounting configurations like back-to-back or face-to-face. Ideal for precision machinery, spindles, or high-performance equipment where accuracy is key.

Weighing 0.55kg, it’s a robust yet lightweight solution for demanding environments. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71918 ACDGA/P4AL
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 9945 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.55 kg

Features

Performance Features of 71918 ACDGA/P4AL Bearing

71918 ACDGA/P4AL Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 9945 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 15,000 rpm.
With universal matching options, it offers flexibility for back-to-back, face-to-face, or tandem arrangements.

Precision-engineered to P4A tolerance class, 71918 ACDGA/P4AL Bearing delivers reliable performance in demanding conditions.
Its extra light preload reduces friction, extending service life while maintaining efficiency.

Application

Essential Roles of 71918 ACDGA/P4AL Bearing
71918 ACDGA/P4AL Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 71918 ACDGA/P4AL Bearing provides stability for articulated arms, thanks to its extra light preload and matched arrangement. The chrome steel construction offers durability in repetitive motion applications.

For aerospace components, 71918 ACDGA/P4AL Bearing handles radial and axial loads in turbine systems. Its P4A tolerance class guarantees consistent performance under demanding conditions.

What Makes 71918 ACDGA/P4AL Bearing a Preferred Choice?
71918 ACDGA/P4AL Bearing excels in medical imaging devices, where its low vibration enhances image clarity. The open seal design allows for easy lubrication in sterile environments.

In automation systems, 71918 ACDGA/P4AL Bearing supports linear guides and precision actuators. The tandem arrangement option provides flexibility for custom setups.

Built for Heavy-Duty Use: 71918 ACDGA/P4AL Bearing
71918 ACDGA/P4AL Bearing is ideal for industrial pumps, handling both radial and thrust loads with ease. The 25° contact angle optimises load distribution for longer service life.

For electric vehicle motors, 71918 ACDGA/P4AL Bearing ensures smooth operation at high RPMs. Its temperature range makes it reliable in varying climate conditions.

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