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Super Precision Angular Contact Ball Bearings 7018 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 7018 CD/P4ADGA

The 7018 CD/P4ADGA is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and extra light preload ensure smooth operation under angular loads.

With a dynamic radial load capacity of 28575 lbf and speeds up to 15000 RPM, it performs reliably in demanding conditions. The phenolic cage enhances durability while keeping the bearing lightweight at 2.32kg.

This open-design bearing comes pre-lubricated and is suitable for temperatures from -30°C to 110°C. It’s part of a matched set of two, allowing versatile arrangements like back-to-back or face-to-face mounting.

Ideal for high-precision applications such as machine tool spindles or robotics, where accuracy and speed are crucial. Compliant with P4A tolerance class for exceptional performance.

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Product Parameters

  • Part Number 7018 CD/P4ADGA
  • 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 15.875 mm
  • Ball Qty 20
  • Contact Angle 15°
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 28575 lbf
  • Static Radial Load 34425 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.32 kg
  • Price（$） 447.813
Super Precision Angular Contact Ball Bearings 7018 CD/P4ADGA dimension drawing
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Features

Performance Features of 7018 CD/P4ADGA Bearing

7018 CD/P4ADGA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and reliable performance under high radial loads.

The phenolic cage in 7018 CD/P4ADGA Bearing reduces friction and maintains stability at high speeds up to 15,000 rpm.
With universal matching capability, it offers flexibility in mounting configurations like back-to-back or face-to-face.

7018 CD/P4ADGA Bearing operates efficiently within a temperature range of -30°C to 110°C, suitable for various environments.
Its extra light preload (Class A) ensures smooth operation while minimising wear.

The P4A tolerance class of 7018 CD/P4ADGA Bearing guarantees precision, making it ideal for high-accuracy applications.
Its dynamic radial load capacity of 28,575 lbf ensures long-lasting performance.

Application

Industrial Uses of 7018 CD/P4ADGA Bearing
7018 CD/P4ADGA Bearing is widely used in high-speed machine tools, where its super precision and angular contact design ensure smooth operation. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In aerospace applications, 7018 CD/P4ADGA Bearing supports critical components like turbine shafts, thanks to its high dynamic radial load capacity. The phenolic cage provides excellent heat resistance, which is vital in demanding environments.

For robotics, 7018 CD/P4ADGA Bearing offers reliable performance in articulated arms, where precision and low friction are key. Its extra light preload ensures minimal energy loss during high-speed movements.

Medical imaging devices benefit from 7018 CD/P4ADGA Bearing’s consistent accuracy and low noise levels. The chrome steel construction ensures durability, even in continuous use scenarios.

In automotive testing equipment, 7018 CD/P4ADGA Bearing handles angular loads with ease, making it ideal for dynamometers. The P4A tolerance class guarantees the precision needed for accurate measurements.

Q&A

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