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Super Precision Angular Contact Ball Bearings 7018 ACE/HCP4AH1DGA
Super Precision Angular Contact Ball Bearings 7018 ACE/HCP4AH1DGA

Super Precision Angular Contact Ball Bearings 7018 ACE/HCP4AH1DGA

The 7018 ACE/HCP4AH1DGA is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 12442 lbf and spins at speeds up to 15000 RPM. Its extra light preload ensures minimal friction, making it efficient for high-speed applications.

The open design allows easy lubrication, while the phenolic cage offers excellent durability. It comes in a matched set of two, suitable for universal mounting configurations like back-to-back or face-to-face.

Ideal for precision machinery like CNC spindles or high-speed motors, it operates reliably between -30°C and 110°C. Weighing 2.22kg, it balances strength and performance for demanding industrial uses.

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Product Parameters

  • Part Number 7018 ACE/HCP4AH1DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 12442 lbf
  • Static Radial Load 13500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.22 kg

Features

Performance Features of 7018 ACE/HCP4AH1DGA Bearing

7018 ACE/HCP4AH1DGA Bearing is designed with a 25° contact angle, offering precise angular contact performance.
Its chrome steel rings and ceramic balls ensure smooth operation under high-speed conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 15,000 rpm, it delivers reliable performance in demanding applications.

7018 ACE/HCP4AH1DGA Bearing’s universal matching design allows flexible arrangement options.
Its extra light preload ensures minimal resistance, ideal for precision tasks.

Application

Ideal for Precision: 7018 ACE/HCP4AH1DGA Bearing
In machine tools, 7018 ACE/HCP4AH1DGA Bearing excels with its 25° contact angle, providing stability during high-speed operations. The ceramic balls reduce friction, ensuring smooth performance in demanding industrial settings.

Where Is 7018 ACE/HCP4AH1DGA Bearing Used?
You’ll often find 7018 ACE/HCP4AH1DGA Bearing in automotive gearboxes, where its phenolic cage handles high radial loads efficiently. Its universal matching design makes it versatile for various mounting configurations.

Built for Heavy-Duty Use: 7018 ACE/HCP4AH1DGA Bearing
For robotics, 7018 ACE/HCP4AH1DGA Bearing offers reliable angular contact support in robotic arms. The P4A tolerance class ensures precision, even in repetitive, high-accuracy tasks.

Medical vs Industrial: Where 7018 ACE/HCP4AH1DGA Bearing Excels
In medical imaging devices, 7018 ACE/HCP4AH1DGA Bearing’s chrome steel rings provide durability. Meanwhile, industrial pumps benefit from its extra-light preload, reducing vibration during continuous operation.

How Does 7018 ACE/HCP4AH1DGA Bearing Support High-Speed Operations?
With a max speed of 15,000 rpm, 7018 ACE/HCP4AH1DGA Bearing is ideal for spindle applications. The lubricated design further enhances its longevity in high-rotation environments.

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