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The S71904/VA9D1 is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, designed for high-speed applications. It features a 25° contact angle and sealed design, ensuring smooth operation with minimal maintenance.
Made from durable chrome steel with a phenolic cage, it handles radial loads up to 1287 lbf and spins at speeds up to 75,000 RPM. The grease lubrication keeps it running smoothly in temperatures from -30°C to 110°C.
Its P4 tolerance class ensures high precision, while the 15 balls (4.762mm each) provide balanced performance. The bearing can be used in matched sets for back-to-back, face-to-face, or tandem arrangements.
Ideal for precision machinery like spindles or CNC tools where accuracy and speed are crucial. Weighing just 0.037kg, it’s lightweight yet robust for demanding applications.
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How Does S71904/VA9D1 Bearing Achieve Super Precision?
S71904/VA9D1 Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 1287 lbf.
The sealed design and grease lubrication allow S71904/VA9D1 Bearing to maintain performance at speeds up to 75,000 rpm.
Its phenolic cage minimises friction, contributing to quieter operation and extended service life.
S71904/VA9D1 Bearing operates efficiently within a temperature range of -30°C to 110°C.
With a P4 tolerance class, it delivers consistent precision for demanding applications.
Industrial Uses of S71904/VA9D1 Bearing
S71904/VA9D1 Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The sealed construction helps maintain performance in environments with dust or debris.
In robotics, S71904/VA9D1 Bearing provides smooth motion control for articulated arms, thanks to its 25° contact angle. The phenolic cage reduces friction, making it ideal for repetitive movements.
For medical imaging devices, S71904/VA9D1 Bearing’s P4 tolerance class ensures the quiet operation needed for sensitive equipment. Its grease lubrication also minimises maintenance requirements in sterile environments.
Automotive vs Aerospace: Applications of S71904/VA9D1 Bearing
In automotive systems, S71904/VA9D1 Bearing supports components like turbochargers, where high-speed performance is critical. The chrome steel construction offers durability under demanding conditions.
Aerospace applications benefit from S71904/VA9D1 Bearing’s lightweight design and precision, particularly in flight control systems. The temperature range of -30°C to 110°C ensures reliability at various altitudes.
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