GN 21-S/SKLeveling Feet

With / without nut, external hex at the bottom

Stainless Steel, with Turned Base Plate, without Mounting Holes

GN 21-S/SK

Catalogue
d1
d2
l1
h1
h2
h3
A/F 1
Static load
in kN
GN 21-80-M8-40-D0-S
80
M 8
40
8.5
-
19.5
17
6
303
GN 21-80-M8-40-D1-S
80
M 8
40
-
2
19.5
17
6
325
GN 21-80-M8-50-D0-S
80
M 8
50
8.5
-
19.5
17
6
306
GN 21-80-M8-50-D1-S
80
M 8
50
-
2
19.5
17
6
328
GN 21-80-M8-63-D0-S
80
M 8
63
8.5
-
19.5
17
6
311
GN 21-80-M8-63-D1-S
80
M 8
63
-
2
19.5
17
6
333
GN 21-80-M10-50-D0-S
80
M 10
50
8.5
-
19.5
17
11
315
GN 21-80-M10-50-D1-S
80
M 10
50
-
2
19.5
17
11
338
GN 21-80-M10-60-D0-S
80
M 10
60
8.5
-
19.5
17
11
319
GN 21-80-M10-60-D1-S
80
M 10
60
-
2
19.5
17
11
342
GN 21-80-M10-80-D0-S
80
M 10
80
8.5
-
19.5
17
11
329
GN 21-80-M10-80-D1-S
80
M 10
80
-
2
19.5
17
11
352
GN 21-80-M10-100-D0-S
80
M 10
100
8.5
-
19.5
17
11
340
GN 21-80-M10-100-D1-S
80
M 10
100
-
2
19.5
17
11
363
GN 21-80-M12-60-D0-S
80
M 12
60
8.5
-
19.5
17
16
333
GN 21-80-M12-60-D1-S
80
M 12
60
-
2
19.5
17
16
356
GN 21-80-M12-80-D0-S
80
M 12
80
8.5
-
19.5
17
16
347
GN 21-80-M12-80-D1-S
80
M 12
80
-
2
19.5
17
16
370
GN 21-80-M12-100-D0-S
80
M 12
100
8.5
-
19.5
17
16
362
GN 21-80-M12-100-D1-S
80
M 12
100
-
2
19.5
17
16
385
GN 21-80-M12-125-D0-S
80
M 12
125
8.5
-
19.5
17
16
379
GN 21-80-M12-125-D1-S
80
M 12
125
-
2
19.5
17
16
402
GN 21-100-M8-40-D0-S
100
M 8
40
9
-
20.5
17
6
492
GN 21-100-M8-40-D1-S
100
M 8
40
-
3
20.5
17
6
535
GN 21-100-M8-50-D0-S
100
M 8
50
9
-
20.5
17
6
495
GN 21-100-M8-50-D1-S
100
M 8
50
-
3
20.5
17
6
538
GN 21-100-M8-63-D0-S
100
M 8
63
9
-
20.5
17
6
500
GN 21-100-M8-63-D1-S
100
M 8
63
-
3
20.5
17
6
543
GN 21-100-M10-50-D0-S
100
M 10
50
9
-
20.5
17
11
504
GN 21-100-M10-50-D1-S
100
M 10
50
-
3
20.5
17
11
547
GN 21-100-M10-60-D0-S
100
M 10
60
9
-
20.5
17
11
508
GN 21-100-M10-60-D1-S
100
M 10
60
-
3
20.5
17
11
551
GN 21-100-M10-80-D0-S
100
M 10
80
9
-
20.5
17
11
518
GN 21-100-M10-80-D1-S
100
M 10
80
-
3
20.5
17
11
561
GN 21-100-M10-100-D0-S
100
M 10
100
9
-
20.5
17
11
529
GN 21-100-M10-100-D1-S
100
M 10
100
-
3
20.5
17
11
572
GN 21-100-M12-60-D0-S
100
M 12
60
9
-
20.5
17
16
522
GN 21-100-M12-60-D1-S
100
M 12
60
-
3
20.5
17
16
565
GN 21-100-M12-80-D0-S
100
M 12
80
9
-
20.5
17
16
536
GN 21-100-M12-80-D1-S
100
M 12
80
-
3
20.5
17
16
579
GN 21-100-M12-100-D0-S
100
M 12
100
9
-
20.5
17
16
551
GN 21-100-M12-100-D1-S
100
M 12
100
-
3
20.5
17
16
594
GN 21-100-M12-125-D0-S
100
M 12
125
9
-
20.5
17
16
568
GN 21-100-M12-125-D1-S
100
M 12
125
-
3
20.5
17
16
611

Type (Foot plate)

  • Type D0: Fine turned, without rubber underlay
  • Type D1: Fine turned, with rubber underlay, inlaid, black

Version of the screw

  • Version S: Without nut, external hex at the bottom
  • Version SK: With nut, external hex at the bottom
  • Version T: Without nut, wrench flat at the bottom
  • Version TK: With nut, wrench flat at the bottom
  • Version U: Without nut, hex socket at the top and wrench flat at the bottom
  • Version UK: With nut, hex socket at the top and wrench flat at the bottom
  • Version V : Without nut, external hex at the top and wrench flat at the bottom
  • Version VK: With nut, external hex at the top and wrench flat at the bottom
  • Version W: With adjustable sleeve, covered thread and wrench flat at the bottom
  • Version X: External hex with internal thread

Base plate

Stainless Steel AISI 304

Threaded stem

Stainless Steel AISI 303

Hex nut ISO 4032

Stainless Steel AISI 304

Rubber underlay, inlaid

NBR (Perbunan®), 70 Shore A

Leveling feet GN 21 will be delivered mounted and are not removable.

 
d1d2Static load in kN----
--Versions of threaded stem----
--S / SKT / TK and U / UKV / VKWX
80M 86---17
80M 1011---17
80M 1216---17
80M 16-17212517
80M 20-28353528
80M 24-465252-
100M 86---17
100M 1011---17
100M 1216---17
100M 16-17212517
100M 20-28353528
100M 24-465252-
120M 20-28--28
120M 24-46---
120M 30-43---

At a spindle thread size M 10 and higher, the static load of the leveling feet GN 21 is limited owing to the permissible contact pressure of the adjustment spindle acting on the base plate (at a spindle strength ≥ 500 N/mm2). The values given in the table (valid for type D0 without rubber underlay) assume a clean pressure load perpendicular to the base plate. Bending and buckling stress which often occurs in practice results in a lower load-bearing capacity of the adjustment spindle and may have to be taken into account.

The details given on strength are non-binding guide values without any liability. In general, they do not constitute a warranty or quality.

The user must determine from case to case if a product is suitable for the intended purpose or use. Environmental factors may influence the stated values.

Versions of threaded stem
____logo__21_NA-33635-0______logo__21_NA-33639-0______logo__21_NA-33641-0__
S / SK: External hex at the bottom at d2 M 8, M 10, M 12T / TK: Wrench flat at the bottom at d2 M 16, M 20, M 24, M 30U / UK: Hex socket at the top and wrench flat at the bottom at d2 M 16, M 20, M 24, M 30
____logo__21_NF-33643-0______logo__21_NA-33645-0______logo__21_NA-33637-0__
V / VK: External hex at the top and wrench flat at the bottom at d2 M 16, M 20, M 24W: Covered thread and wrench flat at the bottom at d2 M 16, M 20, M 24X: External hex with internal thread at d2 M 8, M 10, M 12, M 16, M 20
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