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Super Precision Angular Contact Ball Bearings S71911 CDTP/P4B

Super Precision Angular Contact Ball Bearings S71911 CDTP/P4B

The S71911 CDTP/P4B is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 4388 lbf and operates smoothly at speeds up to 16,000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle provides excellent stability for angular loads.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. Compliant with P4 tolerance standards, it offers reliable accuracy for demanding tasks.

Weighing just 0.18kg, it’s lightweight yet robust. Available as a matched set for enhanced performance in paired arrangements.

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Product Parameters

  • Part Number S71911 CDTP/P4B
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4388 lbf
  • Static Radial Load 3285 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.18 kg
  • Price（$） 528.66
Super Precision Angular Contact Ball Bearings S71911 CDTP/P4B dimension drawing
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Features

Why Choose S71911 CDTP/P4B Bearing for Precision Tasks?

S71911 CDTP/P4B Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel construction ensures durability and resistance to wear, even in demanding applications.

The sealed design keeps contaminants out, maintaining smooth operation and reducing maintenance needs.
With a maximum speed of 16,000 rpm, it delivers reliable performance in high-speed environments.

S71911 CDTP/P4B Bearing’s P4 tolerance class guarantees exceptional accuracy, making it suitable for precision instruments.
The phenolic cage enhances stability and reduces friction, contributing to longer service life.

Application

Key Fields for S71911 CDTP/P4B Bearing
S71911 CDTP/P4B 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, S71911 CDTP/P4B Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its P4 tolerance class makes it suitable for applications demanding tight precision.

For medical imaging devices, S71911 CDTP/P4B Bearing’s chrome steel components offer reliable operation under consistent radial loads. The lubricated design further extends its service life in high-speed scenarios.

Automotive applications like electric power steering systems benefit from S71911 CDTP/P4B Bearing’s balanced load handling. Its 15° contact angle optimises performance in compact spaces.

In aerospace components, S71911 CDTP/P4B Bearing’s matched arrangement capability ensures stability under varying operational conditions. The temperature range suits both ground and flight environments.

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