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Super Precision Angular Contact Ball Bearings S7018 ACE/P4A

Super Precision Angular Contact Ball Bearings S7018 ACE/P4A

The S7018 ACE/P4A is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 7605 lbf and operates smoothly at speeds up to 12,000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 25° contact angle provides excellent stability for angular loads.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and reliability are key. It’s interchangeable with SKF bearings, making replacements straightforward.

Weighing 1.25kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards, it offers consistent performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S7018 ACE/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 11.112 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • 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° to 110 °C
  • Max Speed 12000 rpm
  • Weight 1.25 kg
  • Price（$） 116.64
Super Precision Angular Contact Ball Bearings S7018 ACE/P4A dimension drawing
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Features

Performance Features of S7018 ACE/P4A Bearing

S7018 ACE/P4A Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability while maintaining smooth operation.

The phenolic cage ensures stability at high speeds, supporting a maximum of 12,000 rpm.
With a dynamic radial load capacity of 7605 lbf, it handles demanding tasks efficiently.

S7018 ACE/P4A Bearing operates in temperatures from -30° to 110°C, suitable for varied environments.
Its sealed design keeps lubrication intact, reducing maintenance needs.

The P4 tolerance class guarantees high precision, making it ideal for critical applications.
Preload availability further enhances performance, ensuring consistent operation under angular loads.

Application

Industrial Uses of S7018 ACE/P4A Bearing
S7018 ACE/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 ACE/P4A Bearing supports components like electric motors and transmissions, offering reliable performance under radial and axial loads. Its phenolic cage provides stability at high speeds.

For robotics, S7018 ACE/P4A Bearing is ideal for articulated arms, thanks to its low friction and precise movement. The P4 tolerance class ensures consistent operation in automated systems.

Where to Use S7018 ACE/P4A Bearing
S7018 ACE/P4A Bearing fits well in medical imaging devices, where smooth rotation is critical. The chrome steel construction ensures durability in demanding healthcare environments.

In consumer electronics, S7018 ACE/P4A Bearing can be found in high-end printers, providing quiet and efficient operation. Its lubricated design reduces maintenance needs for long-term use.

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