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Super Precision Angular Contact Ball Bearings 71817 ACDGB/VQ253

Super Precision Angular Contact Ball Bearings 71817 ACDGB/VQ253

The 71817 ACDGB/VQ253 is a super precision angular contact ball bearing with an 85mm bore and 110mm outer diameter, crafted from durable chrome steel. Its compact 13mm width makes it suitable for tight spaces while handling radial loads up to 4568 lbf.

With a 25° contact angle and light preload, it spins smoothly at speeds up to 28,000 RPM. The phenolic cage ensures quiet operation and reduces friction, ideal for high-speed applications.

This open-design bearing comes pre-lubricated and performs well in temperatures from -30°C to 110°C. It’s commonly used in machine tools or precision equipment where accuracy and speed matter.

Weighing 0.27kg, it’s interchangeable with SKF bearings for easy replacement. The bearing meets standard tolerance class NSTD for reliable performance.

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Product Parameters

  • Part Number 71817 ACDGB/VQ253
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 110 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 30
  • Contact Angle 25°
  • Tolerance Class NSTD
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4568 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.27 kg
Super Precision Angular Contact Ball Bearings 71817 ACDGB/VQ253 dimension drawing
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Features

Performance Features of 71817 ACDGB/VQ253 Bearing

71817 ACDGB/VQ253 Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and reliable performance under dynamic radial loads up to 4568 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation at high speeds.
With a maximum speed of 28,000 rpm, it balances precision and efficiency in demanding conditions.

71817 ACDGB/VQ253 Bearing operates effectively in temperatures ranging from -30°C to 110°C.
Its lightweight design at 0.27 kg makes it suitable for applications where weight is a consideration.

Application

Key Fields for 71817 ACDGB/VQ253 Bearing
71817 ACDGB/VQ253 Bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The 25° contact angle makes it suitable for handling combined radial and axial loads efficiently.

In automotive applications, 71817 ACDGB/VQ253 Bearing supports components like wheel hubs and transmissions, thanks to its durable chrome steel construction. Its metric sizing ensures compatibility with a variety of vehicle designs.

For automation systems, 71817 ACDGB/VQ253 Bearing is a reliable choice for robotic arms and CNC machines, where consistent performance is key. The phenolic cage reduces friction, enhancing its longevity in demanding environments.

Medical imaging devices also benefit from 71817 ACDGB/VQ253 Bearing’s precision and low maintenance requirements. Its open design allows for easy lubrication, ensuring reliable operation in critical healthcare equipment.

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