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Ball Bearing Rotary Stage

Small appearance, big performance.

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Key Features

The ball-bearing stage RT150B features a design for your precision rotary needs, with radial and axial error motions below 1 µm. It provides the optimal solution in case you are looking for a rotary stage with high load-carrying capacity in a compact design, without the need for a conditioned air supply. LAB’s RT150B serves as an ideal partner for your metrology applications where micron level accuracy is required.

Error Motion

< 1 µm
Max. Speed

400 RPM
Max. Load

740 N
Industrial CT


Bearing type

ball bearing

Max. speed

400 RPM

Max. axial load

740 N

Max. radial load

1525 N

Radial error motion

< 1 µm

Axial error motion

< 1 µm

Min. resolution

Angular accuracy

± 6,9 arcsec


Nominal torque

0,5 Nm

Peak torque

1,5 Nm

Total mass

17,3 kg


error motion (typical value): LSC Δr = 177,7 nm
filter: 360 UPR, 1 revolution (5 rpm)

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