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Super Precision Angular Contact Ball Bearings 7217 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 7217 ACD/P4ADBA

The 7217 ACD/P4ADBA is a super precision angular contact ball bearing with an 85mm bore and 150mm outer diameter, crafted from durable chrome steel. Its 25° contact angle efficiently handles combined radial and axial loads.

This matched pair of bearings comes with an extra-light preload, ensuring smooth operation at speeds up to 17,000 RPM. The phenolic cage offers quiet performance and reduces friction.

With a dynamic radial load capacity of 35,100 lbf, it’s built for demanding applications. The open design allows easy lubrication, extending its lifespan.

Ideal for high-precision machinery like spindles or CNC equipment, where accuracy and speed are crucial. Compliant with P4A tolerance standards for reliable performance. Weighing 3.71kg, it’s sturdy yet manageable for its size.

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Product Parameters

  • Part Number 7217 ACD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 17
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 35100 lbf
  • Static Radial Load 38250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 3.71 kg
Super Precision Angular Contact Ball Bearings 7217 ACD/P4ADBA dimension drawing
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Features

Performance Features of 7217 ACD/P4ADBA Bearing

7217 ACD/P4ADBA 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 35,100 lbf.

Its phenolic cage ensures smooth operation at high speeds, reaching up to 17,000 rpm.
The extra-light preload (Class A) minimises friction, improving efficiency and precision.

With a matched arrangement of 2 bearings (DB configuration), it offers stability in demanding setups.
The P4A tolerance class guarantees consistent performance for precision engineering tasks.

Operating between -30°C to 110°C, 7217 ACD/P4ADBA Bearing performs reliably in varied conditions.
Its open design simplifies lubrication, ensuring long service life with minimal maintenance.

Application

Industrial Uses of 7217 ACD/P4ADBA Bearing
The 7217 ACD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its extra light preload makes it ideal for applications requiring minimal friction and smooth operation.

In automotive applications, 7217 ACD/P4ADBA Bearing supports high-speed components like turbochargers and transmission systems. The matched arrangement of two bearings provides stability under heavy radial and axial loads.

For automation systems, 7217 ACD/P4ADBA Bearing excels in robotic arms and CNC machinery, thanks to its phenolic cage reducing vibration. The P4A tolerance class guarantees consistent performance in demanding environments.

Medical imaging devices benefit from 7217 ACD/P4ADBA Bearing’s precision and reliability. The chrome steel construction ensures long service life, even in continuous operation scenarios.

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