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Super Precision Angular Contact Ball Bearings 7217 ACD/P4ATBTC

Super Precision Angular Contact Ball Bearings 7217 ACD/P4ATBTC

The 7217 ACD/P4ATBTC is a super precision angular contact ball bearing with an 85mm bore and 150mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 46800 lbf and operates smoothly at speeds up to 17000 RPM.

With a 25° contact angle and moderate preload, it offers excellent stability for angular loads. The phenolic cage ensures durability and reduces friction, making it ideal for high-speed applications.

This set includes three matched bearings in a TBT arrangement, providing balanced performance. Suitable for precision machinery like spindles or CNC equipment where accuracy is key.

Weighing 5.57kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number 7217 ACD/P4ATBTC
  • 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 84 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 46800 lbf
  • Static Radial Load 57375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 5.57 kg
Super Precision Angular Contact Ball Bearings 7217 ACD/P4ATBTC dimension drawing
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Features

Performance Features of 7217 ACD/P4ATBTC Bearing

7217 ACD/P4ATBTC 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 46,800 lbf.

With a maximum speed of 17,000 rpm, it delivers smooth and efficient performance in high-speed operations.

The phenolic cage ensures stability and reduces friction, contributing to longer service life.

Application

Industrial Uses of 7217 ACD/P4ATBTC Bearing
7217 ACD/P4ATBTC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability in heavy cutting operations.

In automotive applications, 7217 ACD/P4ATBTC Bearing supports high-speed gearboxes, thanks to its moderate preload and phenolic cage. The chrome steel construction also handles the demanding conditions of performance vehicles.

For robotics, 7217 ACD/P4ATBTC Bearing offers smooth motion control in articulated arms, where precision is key. The P4A tolerance class ensures minimal vibration during high-speed operations.

Medical imaging devices benefit from 7217 ACD/P4ATBTC Bearing’s reliable performance, especially in rotating components like CT scanners. The open design allows for easy lubrication, extending service life in critical environments.

In aerospace systems, 7217 ACD/P4ATBTC Bearing handles both radial and axial loads in flight control mechanisms. Its temperature range makes it suitable for varying operational conditions.

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