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Super Precision Angular Contact Ball Bearings 7018 ACB/P4A

Super Precision Angular Contact Ball Bearings 7018 ACB/P4A

The 7018 ACB/P4A is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from high-grade chrome steel. It handles radial loads up to 6075 lbf and operates smoothly at speeds up to 17,000 RPM.

With a 25° contact angle and open design, it offers excellent performance in high-speed applications. The phenolic cage ensures durability and reduces friction, making it ideal for precision machinery.

This bearing is available with preload and matched arrangements, providing flexibility for various setups. It’s interchangeable with SKF bearings, simplifying replacements.

Suitable for applications like machine tool spindles or high-speed motors, it performs reliably in temperatures from -30°C to 110°C. Weighing 1.25kg, it balances strength and precision effortlessly.

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Product Parameters

  • Part Number 7018 ACB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 10.319 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 6075 lbf
  • Static Radial Load 5310 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 17000 rpm
  • Weight 1.25 kg
  • Price（$） 846.675
Super Precision Angular Contact Ball Bearings 7018 ACB/P4A dimension drawing
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Features

Why Choose 7018 ACB/P4A Bearing for Precision Tasks?

7018 ACB/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability and smooth operation in high-speed applications.

The phenolic cage in 7018 ACB/P4A Bearing reduces friction and noise, enhancing performance.
With a maximum speed of 17,000 rpm, it is suitable for demanding industrial environments.

7018 ACB/P4A Bearing’s P4 tolerance class guarantees high accuracy and reliability.
Its dynamic radial load capacity of 6075 lbf makes it robust for various applications.

Pre-lubricated for ease of use, 7018 ACB/P4A Bearing requires minimal maintenance.
The open design allows for easy inspection and re-lubrication if needed.

Application

Industrial Uses of 7018 ACB/P4A Bearing
7018 ACB/P4A Bearing is commonly 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 automotive applications, 7018 ACB/P4A Bearing supports wheel hubs and transmission systems, handling both radial and axial loads efficiently. Its P4 tolerance class guarantees consistent performance in demanding conditions.

For robotics, 7018 ACB/P4A Bearing provides smooth motion in articulated arms and joints. The open seal design allows for easy lubrication, extending service life in automated systems.

Medical imaging devices benefit from 7018 ACB/P4A Bearing’s precision and low noise levels. The chrome steel construction ensures reliability in sensitive diagnostic equipment.

In aerospace components, 7018 ACB/P4A Bearing’s matched arrangement options simplify installation in critical assemblies. Its high-speed capability makes it ideal for turbine and actuator systems.

Q&A

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