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Air Bearing Spindles enable frictionless, ultraprecise rotary motion with moderate radial or moment loading. Nelson Air has supplied a number of air bearing spindles for a variety of customers. These bearings provide good load capacity and extremely high stiffness with very low runout and are inherently frictionless. This makes them ideal for high speed precision applications.

Many sizes, configurations and materials are available. Please contact us to discuss your exact needs and for more detailed specifications.

Features:

• TIR of ±5 millionths of an inch (up to ±2 available)
• Load capacity from 1 lb to 350 lbs
• Zero Speed to 80,000 rpm Available
• Operating pressure from 30 psi to 90 psi
• Material: Hardcoat Aluminum, Stainless Steel
• Motorized Models Available
• HIgh Resolution Encoders Available
• Vacuum Feedthrough Option Available
• Precision Collet Interfaces Available

Micromachining spindle with integrated vacuum feedthrough is pictured. Motorized air bearing spindle with noncontact, cogless motor and high resolution optical encoder. Speed from 0 to 15,000 rpm.

In addition to the spindle an air bearing XY stage was provided to this customer to build a custom microturning system.