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Super Precision Angular Contact Ball Bearings 71905/VA9D1

Super Precision Angular Contact Ball Bearings 71905/VA9D1

The 71905/VA9D1 is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, measuring just 9mm wide. Made from chrome steel, it handles radial loads up to 1433 lbf and spins smoothly at speeds up to 71,500 RPM.

Its 25° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing operates in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes with preload options for precise adjustments. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing only 0.042kg, it’s lightweight yet durable. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use. Compliant with P4 tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 71905/VA9D1
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 18
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1433 lbf
  • Static Radial Load 855 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 71500 rpm
  • Weight 0.042 kg
Super Precision Angular Contact Ball Bearings 71905/VA9D1 dimension drawing
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Features

Performance Features of 71905/VA9D1 Bearing

71905/VA9D1 Bearing is crafted with chrome steel rings and balls, ensuring durability and precision in angular contact applications.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 1433 lbf, it performs reliably under demanding conditions.

71905/VA9D1 Bearing supports high-speed operations up to 71,500 rpm, making it suitable for precision machinery.
Its P4 tolerance class ensures consistent performance and accuracy in critical applications.

Application

Key Fields for 71905/VA9D1 Bearing
71905/VA9D1 Bearing works well in high-speed machine spindles, where its 25° contact angle helps manage both radial and axial loads smoothly. The open design and phenolic cage make it suitable for applications needing minimal friction.

In robotics, 71905/VA9D1 Bearing is often used in articulated arms, providing precise movement thanks to its P4 tolerance class. Its lightweight construction also helps reduce overall system weight.

For dental drills and other medical tools, 71905/VA9D1 Bearing offers reliable performance due to its chrome steel components. The lubricated design ensures quiet operation, which is essential in medical settings.

Automotive applications like electric power steering systems benefit from 71905/VA9D1 Bearing’s ability to handle angular loads. Its compatibility with matched arrangements adds flexibility in design.

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