Page 2 - e3239

NSK Standard Ball Screws Compact FA Series

Compact FA Series has a broad lineup to meet various
industrial needs.
Low noise and space-compact design is achieved.

The compact FA series of ball screws includes the following types to quickly and
easily meet your requirements:

- PSS Type which offers various sizes for general use.
- USS Type for high accuracy and clean environment use.
- FSS Type for transfer equipment.

Features

Quick delivery

Ball screws and support units in the catalog are in stock.

Compact Shaft dia. 25 mm, lead 5 mm

The outside diameter of the ball nut is Existing FA Series Compact FA Series
as much as 30% smaller than those
of existing NSK products, and the
low-profile support units especially
compatible with the compact FA
series are available. These contribute
to more compact design of
equipment and devices.

Comparison of existing FA Series and Compact FA Series

13 mm more compact

(shaft dia. 20, lead 10)

High-speed, low-noise 80 Shaft dia. 25
Lead 50
Used with the end-deflector recirculation system. * Microphone was positioned at a
Maximum rotational speed of 5 000 min-1 is Noise level dB, A distance of 400 mm for all noise
achieved, and noise reduced by 6 dB compared
with the tube recirculation system. The vibration is 75 measurements.
reduced as well.
70 Shaft dia. 15
Thin plastic seal Lead 10

Screw shafts with diameters of 10 to 25 mm 65
are equipped with a thin layer of sealing, which Shaft dia. 12
minimizes spattering of grease and helps to Lead 5

60

55
Existing FA Series
Compact FA Series

50

5 10 20 30 40 50 100 200

Feeding speed
V, m/min