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Super Precision Angular Contact Ball Bearings S7018 ACE/HCP4ADT

Super Precision Angular Contact Ball Bearings S7018 ACE/HCP4ADT

The S7018 ACE/HCP4ADT is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 12442 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 25° contact angle and matched arrangement (2 bearings << DT) provide excellent stability for high-precision applications. This bearing is ideal for machine tools, spindles, or other equipment requiring tight tolerances and low friction. It works in temperatures from -30°C to 110°C and meets P4A tolerance standards for precision. Weighing 2.32kg, it’s robust yet manageable for its size. The grease lubrication simplifies maintenance, making it a practical choice for demanding environments.

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Product Parameters

  • Part Number S7018 ACE/HCP4ADT
  • 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 11.112 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 12442 lbf
  • Static Radial Load 13500 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.32 kg
Super Precision Angular Contact Ball Bearings S7018 ACE/HCP4ADT dimension drawing
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Features

Performance Features of S7018 ACE/HCP4ADT Bearing

S7018 ACE/HCP4ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 15,000 rpm.
With a dynamic radial load capacity of 12442 lbf, it handles demanding tasks with ease.

Sealed for protection, S7018 ACE/HCP4ADT Bearing maintains performance in various conditions.
Its matched arrangement of two bearings provides stability and precision in operation.

The grease lubrication system reduces maintenance needs, ensuring long service life.
S7018 ACE/HCP4ADT Bearing is ideal for applications requiring high-speed and precision.

Application

Common Applications of S7018 ACE/HCP4ADT Bearing
S7018 ACE/HCP4ADT Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, S7018 ACE/HCP4ADT Bearing supports articulated arms, providing stability and load capacity for repetitive movements. Its sealed design helps keep contaminants out, extending service life in dusty environments.

For aerospace components, S7018 ACE/HCP4ADT Bearing’s phenolic cage and chrome steel rings offer reliability under varying temperatures. The matched arrangement ensures consistent performance in critical flight systems.

Automotive testing equipment benefits from S7018 ACE/HCP4ADT Bearing’s high-speed capability and grease lubrication. Its P4A tolerance class guarantees precision in measuring and diagnostic tools.

In medical imaging devices, S7018 ACE/HCP4ADT Bearing’s low vibration and quiet operation enhance scan accuracy. The sealed construction also prevents lubricant leakage, maintaining hygiene standards.

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