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Super Precision Angular Contact Ball Bearings S7018 ACD/P4ATGA

Super Precision Angular Contact Ball Bearings S7018 ACD/P4ATGA

The S7018 ACD/P4ATGA is a super precision angular contact ball bearing with a 90mm bore and 140mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes sealed for protection.

With a dynamic radial load capacity of 36675 lbf, it handles high-speed operations up to 15000 RPM. The phenolic cage ensures smooth performance, while the grease lubrication simplifies maintenance.

Designed for universal matching, it works in back-to-back, face-to-face, or tandem arrangements. Ideal for precision applications like machine tools or spindles where accuracy is key.

Weighing 3.5kg, it’s robust yet efficient, operating in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number S7018 ACD/P4ATGA
  • 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 Universal matching
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • 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
  • Price（$） 672.417
Super Precision Angular Contact Ball Bearings S7018 ACD/P4ATGA dimension drawing
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Features

Performance Features of S7018 ACD/P4ATGA Bearing

S7018 ACD/P4ATGA Bearing is designed for super precision applications with a 25° contact angle, ensuring optimal load distribution.
Its chrome steel rings and balls provide high strength, supporting dynamic radial loads up to 36675 lbf.

The phenolic cage enhances stability, reducing friction and noise during high-speed operation.
With a maximum speed of 15,000 rpm, it delivers reliable performance in demanding conditions.

S7018 ACD/P4ATGA Bearing’s sealed design and grease lubrication minimise maintenance needs.
Its universal matching capability allows flexible arrangement for various load requirements.

Application

Industrial Uses of S7018 ACD/P4ATGA Bearing
S7018 ACD/P4ATGA 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 robotics, S7018 ACD/P4ATGA Bearing provides smooth motion control for articulated arms, thanks to its universal matching capability. The extra light preload reduces friction, enhancing efficiency in repetitive tasks.

For automotive applications, S7018 ACD/P4ATGA Bearing supports gearbox systems, offering reliable performance under radial and axial loads. Its phenolic cage material ensures durability even at high speeds.

Medical imaging devices benefit from S7018 ACD/P4ATGA Bearing’s precision, as it maintains stability in sensitive equipment. The grease lubrication ensures quiet operation, crucial for patient comfort.

In 3D printing, S7018 ACD/P4ATGA Bearing enables precise linear motion, contributing to consistent print quality. The P4A tolerance class guarantees the tight clearances needed for detailed work.

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