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Super Precision Angular Contact Ball Bearings S71918 ACE/P4ADT

Super Precision Angular Contact Ball Bearings S71918 ACE/P4ADT

The S71918 ACE/P4ADT is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of two bearings for balanced performance.

This sealed bearing handles radial loads up to 10530 lbf and operates smoothly at speeds up to 15000 RPM. Its phenolic cage ensures durability, while the grease lubrication simplifies maintenance.

The P4A tolerance class guarantees high precision, making it ideal for applications like machine tool spindles or high-speed robotics. It performs reliably in temperatures from -30°C to 110°C.

Weighing 1.08kg, this bearing is robust yet manageable for its size. It’s interchangeable with SKF bearings, offering a dependable option for precision engineering needs.

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Product Parameters

  • Part Number S71918 ACE/P4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 24
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 10530 lbf
  • Static Radial Load 10238 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.08 kg
Super Precision Angular Contact Ball Bearings S71918 ACE/P4ADT dimension drawing
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Features

Performance Features of S71918 ACE/P4ADT Bearing

S71918 ACE/P4ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 10530 lbf.

Its phenolic cage ensures smooth operation at high speeds, reaching up to 15,000 rpm.
The sealed design protects against contaminants, making it suitable for precision environments.

With a matched arrangement of two bearings, S71918 ACE/P4ADT Bearing offers improved stability and preload options.
The P4A tolerance class ensures high precision, meeting demanding industrial requirements.

S71918 ACE/P4ADT Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its grease lubrication reduces maintenance needs while ensuring consistent performance.

Application

Key Fields for S71918 ACE/P4ADT Bearing
S71918 ACE/P4ADT Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop environments.

In robotics, S71918 ACE/P4ADT Bearing provides smooth motion control for articulated arms, thanks to its matched arrangement and preload capability. The phenolic cage reduces friction, making it ideal for repetitive, high-speed movements.

For medical imaging devices like CT scanners, S71918 ACE/P4ADT Bearing offers reliable performance with minimal vibration. Its chrome steel components withstand continuous operation while maintaining precision alignment.

Automotive testing equipment often incorporates S71918 ACE/P4ADT Bearing for its ability to handle combined radial and axial loads. The grease lubrication ensures quiet operation during prolonged use.

In semiconductor manufacturing, S71918 ACE/P4ADT Bearing supports wafer handling systems with its P4A tolerance class. The 25° contact angle provides stability during delicate positioning tasks.

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