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Super Precision Angular Contact Ball Bearings 7018 ACEGA/P4A

Super Precision Angular Contact Ball Bearings 7018 ACEGA/P4A

The 7018 ACEGA/P4A is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle efficiently manages both radial and axial loads, while the phenolic cage ensures smooth operation.

With a dynamic radial load capacity of 7605 lbf and a maximum speed of 15000 RPM, it performs reliably in demanding conditions. The extra light preload (Class A) enhances precision, making it suitable for high-accuracy applications.

This open-design bearing is lubricated for easy maintenance and operates within a temperature range of -30°C to 110°C. It can be used in universal matching arrangements, including back-to-back, face-to-face, or tandem configurations.

Ideal for precision machinery like spindles or CNC equipment, this 1.2kg bearing is interchangeable with SKF models. Its P4A tolerance class guarantees consistent performance in critical setups.

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Product Parameters

  • Part Number 7018 ACEGA/P4A
  • 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 24 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 No
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7605 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.2 kg
  • Price（$） 26.586
Super Precision Angular Contact Ball Bearings 7018 ACEGA/P4A dimension drawing
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Features

Performance Features of 7018 ACEGA/P4A Bearing

7018 ACEGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 7605 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds.
With a maximum speed of 15,000 rpm, it delivers smooth operation in precision settings.

7018 ACEGA/P4A Bearing operates efficiently in temperatures from -30°C to 110°C.
Its P4A tolerance class guarantees high precision, making it suitable for demanding industrial uses.

Application

Key Fields for 7018 ACEGA/P4A Bearing
7018 ACEGA/P4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for high-speed operations without compromising stability.

In robotics, 7018 ACEGA/P4A Bearing supports articulated arms and joints, providing smooth movement under varying loads. Its extra-light preload reduces friction, enhancing efficiency in automated systems.

For medical imaging devices, 7018 ACEGA/P4A Bearing’s chrome steel construction offers reliable performance in critical applications. The P4A tolerance class ensures consistent precision, even in demanding environments.

Automotive applications like electric motor shafts benefit from 7018 ACEGA/P4A Bearing’s high-speed capabilities. The lubricated design and universal matching options make it adaptable to different configurations.

Q&A

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