Item description/product images

DescriptionMaterial:Housing polyamide 6.
Hollow shaft steel.
Screen plastic.
Grub screw steel.
Version:Impact-resistant housing.
Hollow shaft black oxidised.
Grub screw black.
Dial black, digits white.
Note:Position indicators allow direct reading of input measurement values at a glance.
In addition, the value indicated per spindle rotation (corresponding spindle pitch) can be selected and the various indicator values are realised by a transmission gear. The position indicators are distinguished by their small construction with very clear display and fine scale.
They are especially suitable for small spindle distances and small shaft diameters and have a torque support that is positioned in a hole on the side.

** At the 1st asterisk give assembly position and at the 2nd asterisk give the count direction (see sample order “assembly position, count direction”).
Technical data:– Counter consisting of 4 10-position dials + fine scale
– Height of figures about 6 mm
– Hollow shaft Ø 14 H7 mm
– Temperature resistant to 80 °C
– Oil and solvent resistant
On request:– Counter cover made of mineral glass
– Stainless steel driveshaft
– Axial sealing (dust-proof)
– Vibration protection
Accessory:

- Reducing bushings 21940

- Intermediate plates 21942

- Mounting brackets 21944

DownloadHere is all the information as a PDF datasheet:
 Datasheet 21902 Position indicators 316 kB
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Drawings

Position indicators

Overview of items (compressed)

Item selection/filter
Order No.
orange
Order No.
black
PitchIndicator
after one
rotation
Decimal
point in position
max.
speed
U/min
Filter
21902-01002**121902-01002**2100,102500
21902-01001**121902-01001**21001,01500
21902-01251**121902-01251**21,25001,2/51500
21902-01501**121902-01501**21,5001,51500
21902-02001**121902-02001**22002,01500
21902-02501**121902-02501**22,5002,51500
21902-03001**121902-03001**23003,01500
21902-04001**121902-04001**24004,01375
21902-05001**121902-05001**25005,01300
21902-06001**121902-06001**26006,01250
21902-08001**121902-08001**28008,01180
21902-10001**121902-10001**210010,01150
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