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Super Precision Angular Contact Ball Bearings S7018 CD/P4ADBC
Super Precision Angular Contact Ball Bearings S7018 CD/P4ADBC

Super Precision Angular Contact Ball Bearings S7018 CD/P4ADBC

The S7018 CD/P4ADBC 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 28575 lbf and operates smoothly at speeds up to 15000 RPM.

Its sealed design and phenolic cage ensure low maintenance and long service life, even in demanding conditions. The 15° contact angle and moderate preload provide excellent stability for high-precision applications.

This bearing comes in a matched pair (DB arrangement), making it ideal for machine tools or spindle systems where accuracy is crucial. It works reliably in temperatures from -30°C to 110°C.

Weighing 2.33kg, it’s robust yet manageable for its size. Compliant with P4A tolerance class, it offers precision performance for industrial use.

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Product Parameters

  • Part Number S7018 CD/P4ADBC
  • 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 15.875 mm
  • Ball Qty 20
  • Contact Angle 15°
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 28575 lbf
  • Static Radial Load 34425 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.33 kg

Features

How Does S7018 CD/P4ADBC Bearing Achieve Super Precision?

S7018 CD/P4ADBC Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage maintains alignment for smooth operation.

With a dynamic radial load capacity of 28575 lbf, S7018 CD/P4ADBC Bearing handles demanding conditions reliably.
The matched arrangement of two bearings provides stability, making it suitable for high-speed applications up to 15,000 rpm.

S7018 CD/P4ADBC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication reduce maintenance needs, ensuring long-term performance.

Application

Industrial Uses of S7018 CD/P4ADBC Bearing
S7018 CD/P4ADBC 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 CD/P4ADBC Bearing supports high-speed components like turbochargers and electric motors. Its moderate preload and matched arrangement provide stability under varying loads.

For medical imaging devices, S7018 CD/P4ADBC Bearing’s phenolic cage and chrome steel construction offer reliable, low-noise operation. The P4A tolerance class ensures consistent performance in sensitive equipment.

Automation systems benefit from S7018 CD/P4ADBC Bearing’s ability to handle both radial and axial loads in robotic arms. The grease lubrication extends service life in continuous operation scenarios.

In aerospace applications, S7018 CD/P4ADBC Bearing’s high-speed capability and temperature resistance make it suitable for flight control systems. The matched bearing set simplifies installation and maintenance.

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