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Super Precision Angular Contact Ball Bearings S7018 CD/P4ADBB

Super Precision Angular Contact Ball Bearings S7018 CD/P4ADBB

The S7018 CD/P4ADBB is a super precision angular contact ball bearing, measuring 90mm by 140mm by 48mm, crafted from durable chrome steel. It features a 15° contact angle and comes sealed for protection, with two bearings matched in a back-to-back arrangement.

This bearing handles radial loads up to 28575 lbf and spins smoothly at speeds up to 15000 RPM. Its phenolic cage ensures quiet operation, while the light preload (Class B) enhances precision.

The sealed design keeps lubrication in and contaminants out, making it low-maintenance. Ideal for high-precision applications like machine tool spindles or high-speed robotics.

Weighing 2.33kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements. Works reliably in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S7018 CD/P4ADBB
  • 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 Light / Class B
  • 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
Super Precision Angular Contact Ball Bearings S7018 CD/P4ADBB dimension drawing
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Features

Performance Features of S7018 CD/P4ADBB Bearing

S7018 CD/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its matched arrangement of two bearings ensures stability and accuracy in high-speed operations.

The chrome steel rings and balls provide excellent durability, supporting dynamic radial loads up to 28575 lbf.
With a maximum speed of 15,000 rpm, it delivers reliable performance in demanding conditions.

S7018 CD/P4ADBB Bearing’s phenolic cage enhances smooth operation and reduces friction.
Its sealed design and grease lubrication minimise maintenance needs, extending service life.

The tight tolerances and P4A class precision make it suitable for high-accuracy machinery.
Operating between -30°C to 110°C, it performs consistently in varied environments.

Application

Industrial Uses of S7018 CD/P4ADBB Bearing
S7018 CD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under radial and axial loads.

In robotics, S7018 CD/P4ADBB Bearing supports articulated arms, offering smooth movement and low friction. Its phenolic cage reduces weight while maintaining strength, ideal for repetitive motions.

For aerospace applications, S7018 CD/P4ADBB Bearing handles high speeds in components like turbine shafts. The sealed design protects against contaminants, extending service life in demanding conditions.

Medical imaging devices benefit from S7018 CD/P4ADBB Bearing’s precision, ensuring quiet and vibration-free operation. The grease lubrication minimises maintenance needs in sensitive environments.

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