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Super Precision Angular Contact Ball Bearings S7018 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings S7018 ACD/P4ATBTB

The S7018 ACD/P4ATBTB 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 36675 lbf and operates smoothly at speeds up to 15000 RPM.

Its sealed design and phenolic cage ensure reliable performance with minimal maintenance, while the 25° contact angle provides excellent stability. The bearing comes preloaded for light applications, making it ready to use straight away.

This set includes three matched bearings arranged in a TBT configuration, ideal for high-precision machinery like spindles or CNC equipment. It works well in temperatures from -30°C to 110°C.

Weighing 3.5kg, it’s a robust choice for demanding applications. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S7018 ACD/P4ATBTB
  • 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 72 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 20
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 36675 lbf
  • Static Radial Load 48600 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 3.5 kg
Super Precision Angular Contact Ball Bearings S7018 ACD/P4ATBTB dimension drawing
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Features

Performance Features of S7018 ACD/P4ATBTB Bearing

S7018 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 36,675 lbf.

Its phenolic cage ensures smooth operation at high speeds, reaching up to 15,000 rpm.
The sealed design protects against contaminants, making it suitable for demanding environments.

With a matched arrangement of three bearings, S7018 ACD/P4ATBTB Bearing offers balanced performance.
The light preload (Class B) reduces friction, extending service life and maintaining precision.

Application

Industrial Uses of S7018 ACD/P4ATBTB Bearing
S7018 ACD/P4ATBTB 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 conditions.

In robotics, S7018 ACD/P4ATBTB Bearing provides smooth motion control for articulated arms, thanks to its light preload and matched arrangement. The phenolic cage reduces friction, making it ideal for repetitive movements.

For aerospace applications, S7018 ACD/P4ATBTB Bearing handles both radial and axial loads in aircraft components. Its P4A tolerance class guarantees consistent performance under varying temperatures and speeds.

Medical imaging systems benefit from S7018 ACD/P4ATBTB Bearing’s quiet operation and grease lubrication. The chrome steel construction ensures reliability during prolonged use in diagnostic equipment.

In automotive testing rigs, S7018 ACD/P4ATBTB Bearing supports high-speed rotating parts. The 25° contact angle optimises load distribution for durability in rigorous testing environments.

Q&A

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