GW series
Screw shaft diameter Φ 8 ~ Φ 25, Accuracy grade C7
Rolled ball screws of accuracy grade C7 are available as standardized and stocked items.
As both shaft ends are unworked, addtitional end matching is required to meet the customized design.

Features
High transmission efficiency
Rolled ball screws have high transmission efficiency, as compared with the conventional Acme screws, and the required torque is only 1/3 less.
This makes it possible to convert linear motion to rotary motion easily.
In addition, both thread groove and nut have a Gothic-arch-shape like the ground ball screw.

Outstanding durability
Careful selection of materials, heat treatment under optimum conditions, and advanced machining techniques ensure outstanding durability.

Rustproofing
The surface of both screw shaft and nut are phosphate-coated for rust proofing.

Reasonable price
Mass production and precision thread roll die result in considerable cost reduction.

Short delivery time
This series of ball screws with unfinished shaft ends are standardized and stocked for short delivery time.
Every item has been checked for axial clearance and it will be delivered as a matched pair, nut and screw shaft.


Download pdf of Operating Cautions



Screw Shaft Diameter 8-25, Accuracy Grade C7
Series
Accuracy grade
Nut type
Axial play
GW Series
C7
Single nut
0.03mm*-0.07mm* or less
(note) Depending on screw shaft O.D. and lead.


Table of optional specifications for each model
Additional machining of shaft end
Surface treatment (note 1)
Difference of grease
Direction of Nut
Wiper removal (note 2)
O
O
O
O
O
(note 1) The above mentioned surface treatment is LD treatment (coating thickness: 1 to 2 μm).
(note 2) The above mentioned wiper removal is except M and E nut.

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