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Super Precision Angular Contact Ball Bearings S7018 ACE/P4ADBA

Super Precision Angular Contact Ball Bearings S7018 ACE/P4ADBA

The S7018 ACE/P4ADBA is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, measuring 48mm in width. Made from chrome steel, it’s designed for high-speed applications with a 25° contact angle.

It handles radial loads up to 12442 lbf and spins smoothly at speeds up to 15000 RPM. The sealed design keeps grease in and contaminants out, ensuring long-lasting performance.

This matched set of two bearings comes with an extra-light preload, ideal for precision machinery like spindles or CNC tools. The phenolic cage reduces friction and noise.

With a temperature range of -30°C to 110°C, it’s suitable for demanding industrial environments. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number S7018 ACE/P4ADBA
  • 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 Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 12442 lbf
  • Static Radial Load 13500 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.51 kg
Super Precision Angular Contact Ball Bearings S7018 ACE/P4ADBA dimension drawing
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Features

Performance Features of S7018 ACE/P4ADBA Bearing

S7018 ACE/P4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for high-precision applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 12442 lbf, S7018 ACE/P4ADBA Bearing handles demanding conditions reliably.
The sealed design and grease lubrication reduce maintenance needs, making it suitable for long-term use.

S7018 ACE/P4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4A tolerance class ensures consistent performance in precision machinery.

Application

Industrial Uses of S7018 ACE/P4ADBA Bearing
S7018 ACE/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop environments.

In automotive applications, S7018 ACE/P4ADBA Bearing supports gearbox systems, providing smooth power transmission under radial and axial loads. Its phenolic cage offers quiet operation, ideal for luxury vehicle components.

For robotics, S7018 ACE/P4ADBA Bearing’s matched arrangement enables precise movement in articulated arms. The extra-light preload reduces friction, enhancing energy efficiency in automated production lines.

Medical imaging devices benefit from S7018 ACE/P4ADBA Bearing’s P4A tolerance class, ensuring vibration-free operation in sensitive diagnostic equipment. The grease lubrication maintains performance across a wide temperature range.

In aerospace systems, S7018 ACE/P4ADBA Bearing handles high-speed rotations while maintaining dimensional stability. Its chrome steel construction withstands rigorous flight conditions without compromising precision.

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