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GN 200 Indexing Mechanisms Stainless Steel


GN 200 Indexing Mechanisms, Stainless Steel Type: AS - With scale 0...50, 60 graduations
Type: AS - With scale 0...50, 60 graduations
GN 200 Indexing Mechanisms, Stainless Steel Type: AS - With scale 0...50, 60 graduations GN 200 Indexing Mechanisms, Stainless Steel Type: A - Without scale

Product Family Stainless Steel

Standard parts made of rustproof stainless steel have been designed for use in the food sector, in the chemical industry, for aggressive ambient conditions or for outdoor use.

  • corrosion-resistant
  • precise fit
  • environmentally friendly
Show all Stainless Steel products

Product description


Indexing mechanisms GN 200 replace and simplify complicated indexing and safety mechanisms.

Besides the standard scale (Type AS) the control knob version may be supplied with any scale.

Regarding design, numbering run, numbering position and numbering sequence of the scale please see the layout for scale rings on the order sheet „How to Order Graduations“.


Stainless steelNI AISI 303

Type AS:

  • Scale engraved with laser precision
  • Reference line on location ring

Keyway P9 DIN 6885
Page 1 for bore K 10
Page 2 for bores > K 10


On request

Special graduations
see „How to Order Graduations“

Technical drawing

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GN 200 Indexing Mechanisms, Stainless Steel sketch

Article options / Table


AWithout scale
ASWith scale 0...50, 60 graduations
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d1d2 H7
Bore with keyway
P.C.D. Ø
for fixing screws
Bore length
44K 10K 12-332333376314
52K 12K 14K 164231,541,837,5631,54

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Outside diameter d1
Bore d2



Indexing mechanisms can be used to adjust shafts or spindles by an angle of rotation of 6° (or a multiple thereof) and subsequently secure them against rotation by engaging in a serration.


The indexing mechanism is a selfcontained unit with all adjustment and securing elements accommodated in the smallest possible space. The unit consists of three main parts:

  • The bushing is connected to the shaft with a parallel key/keyway or crossdowel.

  • The location ring is fixed; it is mounted on the bushing and connected to the machine by 3 contersunk screws (e.g. DIN 7991-M 5).

  • The knurled hub connects the fixed location ring and the shaft which can be adjusted.

When locked, the internal toothing of the knurled hub (60 teeth) simultaneously engages with the external toothing of both the fixed location ring and the bushing connected to the shaft. To adjust the shaft, the knurled hub is pulled against spring pressure, disengaging from the location ring. The knurled hub however remains positively connected with the shaft via the external toothing of the bushing. By turning the knurled hub the shaft can now be adjusted.

More information

With 60 teeth, the following divisions can be achieved: 2, 3, 4, 5, 6, 10, 20, 30.

A simple method provides indexing of the shaft to a limited number of positions only, i.e. every 120°. For this purpose, the location ring is provided with a dowel pin that allows engagement in the serration only if it meets a counterbore in the knurled hub. This counterbore can be manufactured oversize as the dowel is for rough positioning only. Accurate positioning and load capacity is maintained via the engaged teeth.

For adjustment with a threaded spindle, it is recommended to assign the the 1.5 mm thread pitch to the standard scale with 60 graduation marks (type AS) : 1 graduation = 0.025 mm.

The serration ensures more accurate and wear-free indexing than individual dowel pins.

If a very high torque has to be overcome during adjustment, unlocking and locking is more difficult due to the low backlash respectively the friction in the tooth flanks. In this case, it is recommended to use indexing levers GN 215.

Graduations - „How to Order“



The size of numbers and length of graduations depend on the number of graduations, quantity of numbers and the scale ring diameter.
The scales are engraved with laser precision.

Selected Part (How to order)

Total (net)
plus VAT 15,82 €
gross 99,08 €
In stock
incl. material surcharge: 3,84 €
The material surcharge is already included in the price.
Weight: 0,309 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone +49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances).
Please note our order discounts.
With a total value (net) per order:
from 175,00 € -> 10 % discount
from 275,00 € -> 20 % discount
from 375,00 € -> 30 % discount

Surcharge for small volume purchases:
-> 15,00 Euro
for value of goods less than 25,00 €
-> 10,00 Euro
for value of goods from 25,00 to 50,00 €
All prices in accordance with our price list No. 55, valid from 1 September 2022, plus VAT only valid for Germany.

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