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Super Precision Angular Contact Ball Bearings S7018 CDGC/P4A

Super Precision Angular Contact Ball Bearings S7018 CDGC/P4A

The S7018 CDGC/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 17842 lbf and operates smoothly at speeds up to 15000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The moderate preload (Class C) provides stability for high-precision applications.

This bearing is ideal for machine tools or spindles where accuracy is crucial. It can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Weighing 1.17kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement. Works in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S7018 CDGC/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 15.875 mm
  • Ball Qty 20
  • Contact Angle 15°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 17842 lbf
  • Static Radial Load 17212 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.17 kg
Super Precision Angular Contact Ball Bearings S7018 CDGC/P4A dimension drawing
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Features

Performance Features of S7018 CDGC/P4A Bearing

S7018 CDGC/P4A Bearing is crafted with chrome steel rings and balls, ensuring durability and precision in angular contact applications.
Its 15° contact angle provides optimal load distribution, enhancing performance under radial and axial forces.

The phenolic cage maintains ball alignment, reducing friction and wear during high-speed operation.
With a maximum speed of 15,000 rpm, it delivers reliable performance in demanding conditions.

S7018 CDGC/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C, suitable for various environments.
Its grease lubrication ensures smooth operation and reduces maintenance requirements.

The P4A tolerance class guarantees high precision, making it ideal for applications requiring tight tolerances.
Its dynamic radial load capacity of 17,842 lbf ensures long-lasting performance under heavy loads.

Application

Key Fields for S7018 CDGC/P4A Bearing
S7018 CDGC/P4A Bearing is commonly used in high-precision machine tools, where its moderate preload and angular contact design ensure accurate spindle rotation. The sealed construction helps maintain lubrication, reducing maintenance needs in demanding industrial settings.

In automotive applications, S7018 CDGC/P4A Bearing supports high-speed components like turbochargers, thanks to its balanced load handling and temperature resilience. The P4A tolerance class makes it suitable for performance-oriented systems.

For robotics, S7018 CDGC/P4A Bearing’s phenolic cage and chrome steel construction provide smooth motion in articulated arms. Its universal matching capability allows flexible configurations in automated assembly lines.

Medical imaging devices benefit from S7018 CDGC/P4A Bearing’s low vibration and consistent performance. The grease lubrication ensures quiet operation, critical for sensitive diagnostic equipment.

In aerospace systems, S7018 CDGC/P4A Bearing handles radial and axial loads in avionics, where reliability is paramount. The 15° contact angle optimises stability during high-speed rotations.

Q&A

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