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Super Precision Angular Contact Ball Bearings S7211 ACD/P4A

Super Precision Angular Contact Ball Bearings S7211 ACD/P4A

The S7211 ACD/P4A is a super precision angular contact ball bearing with a 55mm bore and 100mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 11858 lbf and operates smoothly at speeds up to 13000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet and efficient performance. The 25° contact angle provides excellent stability for angular loads.

This bearing is interchangeable with SKF models and comes in matched sets for precise alignment. Ideal for high-speed applications like machine tool spindles or precision equipment.

Weighing 0.62kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards for reliable, high-precision performance.

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Product Parameters

  • Part Number S7211 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 21 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 15
  • Contact Angle 25°
  • 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 11858 lbf
  • Static Radial Load 9112 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 13000 rpm
  • Weight 0.62 kg
  • Price（$） 492.174
Super Precision Angular Contact Ball Bearings S7211 ACD/P4A dimension drawing
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Features

Why Choose S7211 ACD/P4A Bearing for Precision Tasks?

S7211 ACD/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 11858 lbf, it performs reliably in high-speed applications.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for demanding machinery.

Sealed design and preload options enhance performance, reducing maintenance needs.
It operates smoothly at speeds up to 13,000 rpm, maintaining efficiency across a wide temperature range.

Application

Industrial Uses of S7211 ACD/P4A Bearing
S7211 ACD/P4A 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 automotive applications, S7211 ACD/P4A Bearing supports high-speed components like turbochargers and electric motors. Its phenolic cage reduces friction, making it suitable for demanding conditions.

For robotics, S7211 ACD/P4A Bearing provides smooth movement in articulated arms and joints. The P4 tolerance class ensures consistent performance in automated systems.

Medical imaging devices benefit from S7211 ACD/P4A Bearing’s precision and reliability. Its chrome steel construction offers durability in critical diagnostic equipment.

In aerospace systems, S7211 ACD/P4A Bearing handles both radial and axial loads efficiently. The lubricated design ensures long service life even at high speeds.

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