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Super Precision Angular Contact Ball Bearings 71815 ACDGB/VQ253

Super Precision Angular Contact Ball Bearings 71815 ACDGB/VQ253

The 71815 ACDGB/VQ253 is a super precision angular contact ball bearing with a 75mm bore and 95mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2992 lbf and spins smoothly at speeds up to 28,000 RPM.

Its 25° contact angle and light preload ensure precise performance, while the phenolic cage offers quiet operation. The open design allows easy lubrication, extending its lifespan.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. Weighing just 0.14kg, it’s lightweight yet robust for its size. It operates efficiently in temperatures from -30°C to 110°C.

Though not part of a matched set, it’s interchangeable with SKF bearings, making it a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 71815 ACDGB/VQ253
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 95 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 33
  • Contact Angle 25°
  • Tolerance Class NSTD
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 2992 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.14 kg
Super Precision Angular Contact Ball Bearings 71815 ACDGB/VQ253 dimension drawing
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Features

Performance Features of 71815 ACDGB/VQ253 Bearing

71815 ACDGB/VQ253 Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel construction ensures durability, while the phenolic cage enhances performance at high speeds.

With a dynamic radial load capacity of 2992 lbf, it handles demanding conditions reliably.

The bearing operates smoothly at speeds up to 28,000 rpm, making it suitable for precision tasks.

Application

Ideal for Precision: 71815 ACDGB/VQ253 Bearing
The 71815 ACDGB/VQ253 Bearing is commonly used in high-speed machine tools, where its 25° contact angle ensures accurate radial and axial load handling. Its phenolic cage reduces friction, making it suitable for prolonged use.

In automotive applications, 71815 ACDGB/VQ253 Bearing supports components like electric motors and gearboxes, thanks to its light preload and consistent performance. The metric sizing ensures compatibility with a variety of vehicle designs.

For automation systems, 71815 ACDGB/VQ253 Bearing excels in robotic arms and CNC machines, where precision and speed are key. The chrome steel construction provides durability under continuous operation.

In medical imaging devices, 71815 ACDGB/VQ253 Bearing’s reliability and low maintenance make it a practical choice. The open design allows for easy lubrication, ensuring smooth performance in critical applications.

Consumer electronics like high-end printers benefit from 71815 ACDGB/VQ253 Bearing’s quiet operation and compact design. Its lightweight construction helps maintain efficiency in small-scale devices.

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