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Super Precision Angular Contact Ball Bearings 71918 ACDGA/HCP4AL
Super Precision Angular Contact Ball Bearings 71918 ACDGA/HCP4AL

Super Precision Angular Contact Ball Bearings 71918 ACDGA/HCP4AL

The 71918 ACDGA/HCP4AL is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 9945 lbf and spins at speeds up to 15000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduced friction.

With an extra light preload (Class A), it offers precise motion control in demanding setups. The open design allows for easy lubrication and maintenance.

Ideal for machine tools or precision equipment, this bearing works in temperatures from -30°C to 110°C. It’s part of a universal matching set, compatible with back-to-back, face-to-face, or tandem arrangements. Weighing 0.47kg, it balances strength and precision.

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Product Parameters

  • Part Number 71918 ACDGA/HCP4AL
  • 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 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 9945 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.47 kg

Features

Performance Features of 71918 ACDGA/HCP4AL Bearing

71918 ACDGA/HCP4AL Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction during high-speed operation.

The phenolic cage ensures smooth performance, even at speeds up to 15,000 rpm.
With a dynamic radial load capacity of 9945 lbf, it handles demanding conditions with ease.

71918 ACDGA/HCP4AL Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precision P4A tolerance class guarantees consistent performance in critical applications.

Application

Key Fields for 71918 ACDGA/HCP4AL Bearing
71918 ACDGA/HCP4AL Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures exceptional precision for demanding applications.

In aerospace components, 71918 ACDGA/HCP4AL Bearing handles angular contact loads with reliability, thanks to its chrome steel rings. Its lightweight design and high-speed capability make it ideal for rotor assemblies.

For robotics, 71918 ACDGA/HCP4AL Bearing’s extra light preload allows smooth movement in articulated arms. The open seal design simplifies lubrication in automated systems.

Medical imaging devices benefit from 71918 ACDGA/HCP4AL Bearing’s low vibration and consistent performance. The ceramic balls ensure quiet operation in sensitive environments.

In electric vehicle motors, 71918 ACDGA/HCP4AL Bearing supports high RPM demands while maintaining efficiency. Its metric sizing fits seamlessly into European and Asian automotive designs.

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