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Super Precision Angular Contact Ball Bearings S71906/VA9D1

Super Precision Angular Contact Ball Bearings S71906/VA9D1

The S71906/VA9D1 is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes pre-lubricated with grease for smooth operation.

This bearing handles radial loads up to 1521 lbf and spins at impressive speeds up to 100,500 RPM. Its phenolic cage ensures quiet performance and long service life, even in temperatures from -30°C to 110°C.

The sealed design keeps contaminants out while maintaining lubrication. With P4 tolerance class, it offers high precision for demanding applications like machine tool spindles or high-speed motors.

Weighing just 0.049kg, this bearing is part of a universal matching set, allowing back-to-back, face-to-face or tandem arrangements for versatile installation options. It’s interchangeable with SKF equivalents for easy replacement.

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Product Parameters

  • Part Number S71906/VA9D1
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 1521 lbf
  • Static Radial Load 968 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.049 kg
Super Precision Angular Contact Ball Bearings S71906/VA9D1 dimension drawing
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Features

Performance Features of S71906/VA9D1 Bearing

S71906/VA9D1 Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.

Its 25° contact angle allows it to handle both radial and axial loads efficiently.

The sealed design and grease lubrication reduce maintenance needs while protecting against contaminants.

With a maximum speed of 100,500 rpm, it excels in high-speed applications.

Why Choose S71906/VA9D1 Bearing for Precision Tasks?

S71906/VA9D1 Bearing meets P4 tolerance standards, offering exceptional accuracy for precision machinery.

The phenolic cage ensures smooth operation and reduces friction, even at high speeds.

Its dynamic radial load capacity of 1521 lbf makes it reliable for demanding conditions.

The bearing operates smoothly within a temperature range of -30°C to 110°C.

Engineered for Precision: S71906/VA9D1 Bearing

S71906/VA9D1 Bearing features 20 precision balls, each measuring 4.762 mm, for consistent performance.

Its universal matching capability allows flexible arrangements like back-to-back or face-to-face.

The preload option enhances rigidity, making it ideal for high-precision applications.

Weighing just 0.049 kg, it combines lightweight design with robust functionality.

Application

Industrial Uses of S71906/VA9D1 Bearing
S71906/VA9D1 Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S71906/VA9D1 Bearing provides smooth motion control for articulated arms, thanks to its 25° contact angle and P4 tolerance class. The phenolic cage reduces vibration, making it ideal for delicate assembly tasks.

For medical imaging devices, S71906/VA9D1 Bearing’s grease lubrication and chrome steel components offer quiet operation essential for diagnostic equipment. Its compact 30mm bore fits neatly into space-constrained designs.

Automotive vs Aerospace: Applications of S71906/VA9D1 Bearing
In car steering systems, S71906/VA9D1 Bearing handles combined radial and thrust loads with its universal matching capability. The tandem arrangement option suits compact electric power steering units.

Aircraft instrumentation benefits from S71906/VA9D1 Bearing’s -30°C to 110°C temperature range, maintaining precision during altitude changes. The 100,500 rpm rating ensures reliability in avionics systems.

Q&A

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