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Super Precision Angular Contact Ball Bearings S7018 ACEGA/P4A

Super Precision Angular Contact Ball Bearings S7018 ACEGA/P4A

The S7018 ACEGA/P4A 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 comes pre-lubricated with grease for smooth operation.

This bearing handles radial loads up to 7605 lbf and spins efficiently at speeds up to 15000 RPM. Its phenolic cage ensures quiet performance, while the sealed design keeps contaminants out.

The P4A tolerance class guarantees high precision, making it suitable for demanding applications. Ideal for machine tools or precision spindles where accuracy is crucial.

Weighing 1.25kg, it’s available in matched sets for back-to-back or face-to-face arrangements. Works in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S7018 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 Sealed
  • 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 Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.25 kg
  • Price（$） 246.555
Super Precision Angular Contact Ball Bearings S7018 ACEGA/P4A dimension drawing
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Features

Performance Features of S7018 ACEGA/P4A Bearing

S7018 ACEGA/P4A Bearing is designed with a 25° contact angle, providing excellent radial and axial load capacity.
Its chrome steel rings and balls ensure durability and precision in high-speed applications.

The sealed design and grease lubrication reduce maintenance needs while protecting against contaminants.
With a maximum speed of 15,000 rpm, it delivers reliable performance in demanding conditions.

S7018 ACEGA/P4A Bearing’s phenolic cage enhances stability and reduces friction during operation.
Its P4A tolerance class ensures high precision, making it suitable for critical applications.

Application

Industrial Uses of S7018 ACEGA/P4A Bearing
S7018 ACEGA/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In automotive applications, S7018 ACEGA/P4A Bearing supports high-speed components like electric motors and transmissions. Its extra-light preload reduces friction, enhancing efficiency and longevity.

For automation systems, S7018 ACEGA/P4A Bearing is ideal for robotic arms and CNC machines, thanks to its phenolic cage and chrome steel construction. The P4A tolerance class guarantees consistent performance in demanding conditions.

Medical imaging devices benefit from S7018 ACEGA/P4A Bearing’s smooth operation and low noise levels. The grease lubrication ensures reliable performance in sensitive equipment.

In consumer electronics, S7018 ACEGA/P4A Bearing can be found in high-end printers and scanners, where precision and durability are key. Its metric sizing makes it compatible with a variety of European and Asian models.

Q&A

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