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GN 21
Leveling Feet
Stainless Steel, with Turned Base Plate, without Mounting Holes
GN 21-S/SK
Leveling Feet
With / without nut, external hex at the bottom
GN 21-T/TK
Leveling Feet
With / without nut, wrench flat at the bottom
GN 21-U/UK
Leveling Feet
With / without nut, hex socket at the top and wrench flat at the bottom
GN 21-V/VK
Leveling Feet
With / without nut, external hex at the top and wrench flat at the bottom
GN 21-W
Leveling Feet
With adjustable sleeve, covered thread and wrench flat at the bottom
GN 21-X
Leveling Feet
External hex with internal thread
Description
Specification
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
Information
Leveling feet GN 21 will be delivered mounted and are not removable.
Technical information
- Plastic Characteristics
- Stainless Steel Characteristics
Load Rating of Leveling Feet
| d1 | d2 | Static load in kN | - | - | - | - |
| - | - | Versions of threaded stem | - | - | - | - |
| - | - | S / SK | T / TK and U / UK | V / VK | W | X |
| 80 | M 8 | 6 | - | - | - | 17 |
| 80 | M 10 | 11 | - | - | - | 17 |
| 80 | M 12 | 16 | - | - | - | 17 |
| 80 | M 16 | - | 17 | 21 | 25 | 17 |
| 80 | M 20 | - | 28 | 35 | 35 | 28 |
| 80 | M 24 | - | 46 | 52 | 52 | - |
| 100 | M 8 | 6 | - | - | - | 17 |
| 100 | M 10 | 11 | - | - | - | 17 |
| 100 | M 12 | 16 | - | - | - | 17 |
| 100 | M 16 | - | 17 | 21 | 25 | 17 |
| 100 | M 20 | - | 28 | 35 | 35 | 28 |
| 100 | M 24 | - | 46 | 52 | 52 | - |
| 120 | M 20 | - | 28 | - | - | 28 |
| 120 | M 24 | - | 46 | - | - | - |
| 120 | M 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
| Versions of threaded stem | ||
 |  |  |
| S / SK: External hex at the bottom at d2 M 8, M 10, M 12 | T / TK: Wrench flat at the bottom at d2 M 16, M 20, M 24, M 30 | U / UK: Hex socket at the top and wrench flat at the bottom at d2 M 16, M 20, M 24, M 30 |
 |  |  |
| V / VK: External hex at the top and wrench flat at the bottom at d2 M 16, M 20, M 24 | W: Covered thread and wrench flat at the bottom at d2 M 16, M 20, M 24 | X: External hex with internal thread at d2 M 8, M 10, M 12, M 16, M 20 |
GN 21-S/SK
| Color | d1 | d2 | l1 | h1 | h2 | h3 | A/F 1 | Static load in kN |
 |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Code | Actions | ||||||||||
| GN 21-80-M8-40-D0-S | Type S | 80 | M 8 | 40 | 8.5 | - | 19.5 | 17 | 6 | 303 |
|
| GN 21-80-M8-40-D0-SK | SK | 80 | M 8 | 40 | 8.5 | - | 19.5 | 17 | 6 | 307 |
|
| GN 21-80-M8-40-D1-S | Type S | 80 | M 8 | 40 | - | 2 | 19.5 | 17 | 6 | 325 |
|
| GN 21-80-M8-40-D1-SK | SK | 80 | M 8 | 40 | - | 2 | 19.5 | 17 | 6 | 329 |
|
| GN 21-80-M8-50-D0-S | Type S | 80 | M 8 | 50 | 8.5 | - | 19.5 | 17 | 6 | 307 |
|
| GN 21-80-M8-50-D0-SK | SK | 80 | M 8 | 50 | 8.5 | - | 19.5 | 17 | 6 | 311 |
|
| GN 21-80-M8-50-D1-S | Type S | 80 | M 8 | 50 | - | 2 | 19.5 | 17 | 6 | 329 |
|
| GN 21-80-M8-50-D1-SK | SK | 80 | M 8 | 50 | - | 2 | 19.5 | 17 | 6 | 333 |
|
| GN 21-80-M8-63-D0-S | Type S | 80 | M 8 | 63 | 8.5 | - | 19.5 | 17 | 6 | 311 |
|
| GN 21-80-M8-63-D0-SK | SK | 80 | M 8 | 63 | 8.5 | - | 19.5 | 17 | 6 | 315 |
|
| GN 21-80-M8-63-D1-S | Type S | 80 | M 8 | 63 | - | 2 | 19.5 | 17 | 6 | 333 |
|
| GN 21-80-M8-63-D1-SK | SK | 80 | M 8 | 63 | - | 2 | 19.5 | 17 | 6 | 337 |
|
| GN 21-80-M10-50-D0-S | Type S | 80 | M 10 | 50 | 8.5 | - | 19.5 | 17 | 11 | 316 |
|
| GN 21-80-M10-50-D0-SK | SK | 80 | M 10 | 50 | 8.5 | - | 19.5 | 17 | 11 | 325 |
|
| GN 21-80-M10-50-D1-S | Type S | 80 | M 10 | 50 | - | 2 | 19.5 | 17 | 11 | 338 |
|
| GN 21-80-M10-50-D1-SK | SK | 80 | M 10 | 50 | - | 2 | 19.5 | 17 | 11 | 347 |
|
| GN 21-80-M10-60-D0-S | Type S | 80 | M 10 | 60 | 8.5 | - | 19.5 | 17 | 11 | 320 |
|
| GN 21-80-M10-60-D0-SK | SK | 80 | M 10 | 60 | 8.5 | - | 19.5 | 17 | 11 | 329 |
|
| GN 21-80-M10-60-D1-S | Type S | 80 | M 10 | 60 | - | 2 | 19.5 | 17 | 11 | 342 |
|
| GN 21-80-M10-60-D1-SK | SK | 80 | M 10 | 60 | - | 2 | 19.5 | 17 | 11 | 351 |
|
| GN 21-80-M10-80-D0-S | Type S | 80 | M 10 | 80 | 8.5 | - | 19.5 | 17 | 11 | 330 |
|
| GN 21-80-M10-80-D0-SK | SK | 80 | M 10 | 80 | 8.5 | - | 19.5 | 17 | 11 | 339 |
|
| GN 21-80-M10-80-D1-S | Type S | 80 | M 10 | 80 | - | 2 | 19.5 | 17 | 11 | 352 |
|
| GN 21-80-M10-80-D1-SK | SK | 80 | M 10 | 80 | - | 2 | 19.5 | 17 | 11 | 361 |
|
| GN 21-80-M10-100-D0-S | Type S | 80 | M 10 | 100 | 8.5 | - | 19.5 | 17 | 11 | 341 |
|
| GN 21-80-M10-100-D0-SK | SK | 80 | M 10 | 100 | 8.5 | - | 19.5 | 17 | 11 | 350 |
|
| GN 21-80-M10-100-D1-S | Type S | 80 | M 10 | 100 | - | 2 | 19.5 | 17 | 11 | 363 |
|
| GN 21-80-M10-100-D1-SK | SK | 80 | M 10 | 100 | - | 2 | 19.5 | 17 | 11 | 372 |
|
| GN 21-80-M12-60-D0-S | Type S | 80 | M 12 | 60 | 8.5 | - | 19.5 | 17 | 16 | 334 |
|
| GN 21-80-M12-60-D0-SK | SK | 80 | M 12 | 60 | 8.5 | - | 19.5 | 17 | 16 | 346 |
|
| GN 21-80-M12-60-D1-S | Type S | 80 | M 12 | 60 | - | 2 | 19.5 | 17 | 16 | 356 |
|
| GN 21-80-M12-60-D1-SK | SK | 80 | M 12 | 60 | - | 2 | 19.5 | 17 | 16 | 368 |
|
| GN 21-80-M12-80-D0-S | Type S | 80 | M 12 | 80 | 8.5 | - | 19.5 | 17 | 16 | 348 |
|
| GN 21-80-M12-80-D0-SK | SK | 80 | M 12 | 80 | 8.5 | - | 19.5 | 17 | 16 | 360 |
|
| GN 21-80-M12-80-D1-S | Type S | 80 | M 12 | 80 | - | 2 | 19.5 | 17 | 16 | 370 |
|
| GN 21-80-M12-80-D1-SK | SK | 80 | M 12 | 80 | - | 2 | 19.5 | 17 | 16 | 382 |
|
| GN 21-80-M12-100-D0-S | Type S | 80 | M 12 | 100 | 8.5 | - | 19.5 | 17 | 16 | 363 |
|
| GN 21-80-M12-100-D0-SK | SK | 80 | M 12 | 100 | 8.5 | - | 19.5 | 17 | 16 | 375 |
|
| GN 21-80-M12-100-D1-S | Type S | 80 | M 12 | 100 | - | 2 | 19.5 | 17 | 16 | 385 |
|
| GN 21-80-M12-100-D1-SK | SK | 80 | M 12 | 100 | - | 2 | 19.5 | 17 | 16 | 397 |
|
| GN 21-80-M12-125-D0-S | Type S | 80 | M 12 | 125 | 8.5 | - | 19.5 | 17 | 16 | 380 |
|
| GN 21-80-M12-125-D0-SK | SK | 80 | M 12 | 125 | 8.5 | - | 19.5 | 17 | 16 | 392 |
|
| GN 21-80-M12-125-D1-S | Type S | 80 | M 12 | 125 | - | 2 | 19.5 | 17 | 16 | 402 |
|
| GN 21-80-M12-125-D1-SK | SK | 80 | M 12 | 125 | - | 2 | 19.5 | 17 | 16 | 414 |
|
| GN 21-100-M8-40-D0-S | Type S | 100 | M 8 | 40 | 9 | - | 20.5 | 17 | 6 | 492 |
|
| GN 21-100-M8-40-D0-SK | SK | 100 | M 8 | 40 | 9 | - | 20.5 | 17 | 6 | 496 |
|
| GN 21-100-M8-40-D1-S | Type S | 100 | M 8 | 40 | - | 3 | 20.5 | 17 | 6 | 535 |
|
| GN 21-100-M8-40-D1-SK | SK | 100 | M 8 | 40 | - | 3 | 20.5 | 17 | 6 | 539 |
|
| GN 21-100-M8-50-D0-S | Type S | 100 | M 8 | 50 | 9 | - | 20.5 | 17 | 6 | 496 |
|
| GN 21-100-M8-50-D0-SK | SK | 100 | M 8 | 50 | 9 | - | 20.5 | 17 | 6 | 500 |
|
| GN 21-100-M8-50-D1-S | Type S | 100 | M 8 | 50 | - | 3 | 20.5 | 17 | 6 | 539 |
|
| GN 21-100-M8-50-D1-SK | SK | 100 | M 8 | 50 | - | 3 | 20.5 | 17 | 6 | 543 |
|
| GN 21-100-M8-63-D0-S | Type S | 100 | M 8 | 63 | 9 | - | 20.5 | 17 | 6 | 500 |
|
| GN 21-100-M8-63-D0-SK | SK | 100 | M 8 | 63 | 9 | - | 20.5 | 17 | 6 | 504 |
|
| GN 21-100-M8-63-D1-S | Type S | 100 | M 8 | 63 | - | 3 | 20.5 | 17 | 6 | 543 |
|
| GN 21-100-M8-63-D1-SK | SK | 100 | M 8 | 63 | - | 3 | 20.5 | 17 | 6 | 547 |
|
| GN 21-100-M10-50-D0-S | Type S | 100 | M 10 | 50 | 9 | - | 20.5 | 17 | 11 | 505 |
|
| GN 21-100-M10-50-D0-SK | SK | 100 | M 10 | 50 | 9 | - | 20.5 | 17 | 11 | 514 |
|
| GN 21-100-M10-50-D1-S | Type S | 100 | M 10 | 50 | - | 3 | 20.5 | 17 | 11 | 548 |
|
| GN 21-100-M10-50-D1-SK | SK | 100 | M 10 | 50 | - | 3 | 20.5 | 17 | 11 | 557 |
|
| GN 21-100-M10-60-D0-S | Type S | 100 | M 10 | 60 | 9 | - | 20.5 | 17 | 11 | 509 |
|
| GN 21-100-M10-60-D0-SK | SK | 100 | M 10 | 60 | 9 | - | 20.5 | 17 | 11 | 518 |
|
| GN 21-100-M10-60-D1-S | Type S | 100 | M 10 | 60 | - | 3 | 20.5 | 17 | 11 | 552 |
|
| GN 21-100-M10-60-D1-SK | SK | 100 | M 10 | 60 | - | 3 | 20.5 | 17 | 11 | 561 |
|
| GN 21-100-M10-80-D0-S | Type S | 100 | M 10 | 80 | 9 | - | 20.5 | 17 | 11 | 519 |
|
| GN 21-100-M10-80-D0-SK | SK | 100 | M 10 | 80 | 9 | - | 20.5 | 17 | 11 | 528 |
|
| GN 21-100-M10-80-D1-S | Type S | 100 | M 10 | 80 | - | 3 | 20.5 | 17 | 11 | 562 |
|
| GN 21-100-M10-80-D1-SK | SK | 100 | M 10 | 80 | - | 3 | 20.5 | 17 | 11 | 571 |
|
| GN 21-100-M10-100-D0-S | Type S | 100 | M 10 | 100 | 9 | - | 20.5 | 17 | 11 | 530 |
|
| GN 21-100-M10-100-D0-SK | SK | 100 | M 10 | 100 | 9 | - | 20.5 | 17 | 11 | 539 |
|
| GN 21-100-M10-100-D1-S | Type S | 100 | M 10 | 100 | - | 3 | 20.5 | 17 | 11 | 573 |
|
| GN 21-100-M10-100-D1-SK | SK | 100 | M 10 | 100 | - | 3 | 20.5 | 17 | 11 | 582 |
|
| GN 21-100-M12-60-D0-S | Type S | 100 | M 12 | 60 | 9 | - | 20.5 | 17 | 16 | 523 |
|
| GN 21-100-M12-60-D0-SK | SK | 100 | M 12 | 60 | 9 | - | 20.5 | 17 | 16 | 535 |
|
| GN 21-100-M12-60-D1-S | Type S | 100 | M 12 | 60 | - | 3 | 20.5 | 17 | 16 | 566 |
|
| GN 21-100-M12-60-D1-SK | SK | 100 | M 12 | 60 | - | 3 | 20.5 | 17 | 16 | 578 |
|
| GN 21-100-M12-80-D0-S | Type S | 100 | M 12 | 80 | 9 | - | 20.5 | 17 | 16 | 537 |
|
| GN 21-100-M12-80-D0-SK | SK | 100 | M 12 | 80 | 9 | - | 20.5 | 17 | 16 | 549 |
|
| GN 21-100-M12-80-D1-S | Type S | 100 | M 12 | 80 | - | 3 | 20.5 | 17 | 16 | 580 |
|
| GN 21-100-M12-80-D1-SK | SK | 100 | M 12 | 80 | - | 3 | 20.5 | 17 | 16 | 592 |
|
| GN 21-100-M12-100-D0-S | Type S | 100 | M 12 | 100 | 9 | - | 20.5 | 17 | 16 | 552 |
|
| GN 21-100-M12-100-D0-SK | SK | 100 | M 12 | 100 | 9 | - | 20.5 | 17 | 16 | 564 |
|
| GN 21-100-M12-100-D1-S | Type S | 100 | M 12 | 100 | - | 3 | 20.5 | 17 | 16 | 595 |
|
| GN 21-100-M12-100-D1-SK | SK | 100 | M 12 | 100 | - | 3 | 20.5 | 17 | 16 | 607 |
|
| GN 21-100-M12-125-D0-S | Type S | 100 | M 12 | 125 | 9 | - | 20.5 | 17 | 16 | 569 |
|
| GN 21-100-M12-125-D0-SK | SK | 100 | M 12 | 125 | 9 | - | 20.5 | 17 | 16 | 581 |
|
| GN 21-100-M12-125-D1-S | Type S | 100 | M 12 | 125 | - | 3 | 20.5 | 17 | 16 | 612 |
|
| GN 21-100-M12-125-D1-SK | SK | 100 | M 12 | 125 | - | 3 | 20.5 | 17 | 16 | 624 |
|
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