Metric Size, Steel,
Leveling Feet
With or without Plastic Base Cap
GN 6311.4

RoHS Compliant

 

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Specification
Information

Base and threaded stud: Steel, zinc plated, blue passivated finish, tensile strength class 5.8 (500 N/mm²)
Base cap options:
Type OS - Solid base, no cap
Type KS - Base with technopolymer (Polyacetal POM) cap, natural color white
Type KR - Base with elastomer (TPE) plastic cap, black, 78 Shore A hardness

GN 6311.4 Leveling Feet are normally used when a thread is present at the machine side to adjust the height.
The tip diameter d3 is smaller than the core diameter of the thread, with the effect that the threaded screw can be turned without interference with the pin. The screw tip is easily inserted into the base, with the retaining ring ensuring that the assembly is secure in axial direction.
The static load of the levelling feet GN 6311.4 is limited by the load capacity of the grub screw (tensile strength class 5.8). The static load values (only valid for Type OS/KS) in the table below refer to a net vertical load in relation to the ball socket. Under normal operating conditions side loading or angular loading is not uncommon and the load capacity would be considerable reduced which must be taken into consideration.

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Dimensions in:

millimeters
(inches)

Part Number

d1
Base
Dia.

d2
Thread

l1~
Stud
Length

d3

l2

l3

l4

l5

A/F

Static
Load
(kN)

Type OS
No Cap
Type KS
Techno-
polymer Cap
Type KR
Elastomer Cap

6311.4-50-M10-37-OS
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6311.4-50-M10-37-KS
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6311.4-50-M10-37-KR
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50
(1.97)

M10 x 1.5

37

8
(.31)

12.5
(.49)

11.5
(.45)

14
(.55)

13
(.51)

5
(.20)

13

6311.4-50-M10-47-OS
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6311.4-50-M10-47-KS
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6311.4-50-M10-47-KR
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47

6311.4-50-M10-57-OS
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6311.4-50-M10-57-KS
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6311.4-50-M10-57-KR
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57

6311.4-50-M10-72-OS
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6311.4-50-M10-72-KS
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6311.4-50-M10-72-KR
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72

6311.4-50-M12-41-OS
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6311.4-50-M12-41-KS
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6311.4-50-M12-41-KR
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50
(1.97)

M12 x 1.75

41

8
(.31)

12.5
(.49)

11.5
(.45)

14
(.55)

13
(.51)

6
(.24)

13

6311.4-50-M12-51-OS
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6311.4-50-M12-51-KS
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6311.4-50-M12-51-KR
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51

6311.4-50-M12-61-OS
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6311.4-50-M12-61-KS
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6311.4-50-M12-61-KR
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61

6311.4-50-M12-71-OS
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6311.4-50-M12-71-KS
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6311.4-50-M12-71-KR
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71

6311.4-50-M12-91-OS
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6311.4-50-M12-91-KS
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6311.4-50-M12-91-KR
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91

6311.4-50-M16-59-OS
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6311.4-50-M16-59-KS
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6311.4-50-M16-59-KR
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50
(1.97)

M16 x 2.0

59

12
(.47)

14.5
(.57)

13.5
(.53)

16
(.63)

16
(.63)

8
(.31)

30

6311.4-50-M16-69-OS
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6311.4-50-M16-69-KS
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6311.4-50-M16-69-KR
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69

6311.4-50-M16-89-OS
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6311.4-50-M16-89-KS
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6311.4-50-M16-89-KR
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89

6311.4-50-M16-114-OS
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6311.4-50-M16-114-KS
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6311.4-50-M16-114-KR
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114

6311.4-60-M16-59-OS
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6311.4-60-M16-59-KS
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6311.4-60-M16-59-KR
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60
(2.36)

M16 x 2.0

59

12
(.47)

14.5
(.57)

13.5
(.53)

16
(.63)

16
(.63)

8
(.31)

30

6311.4-60-M16-69-OS
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6311.4-60-M16-69-KS
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6311.4-60-M16-69-KR
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69

6311.4-60-M16-89-OS
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6311.4-60-M16-89-KS
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6311.4-60-M16-89-KR
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89

6311.4-60-M16-114-OS
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6311.4-60-M16-114-KS
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6311.4-60-M16-114-KR
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114

6311.4-60-M20-78-OS
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6311.4-60-M20-78-KS
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6311.4-60-M20-78-KR
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60
(2.36)

M20 x 2.5

78

15.5
(.61)

16.5
(.65)

15.5
(.61)

18
(.71)

18
(.71)

10
(.39)

50

6311.4-60-M20-88-OS
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6311.4-60-M20-88-KS
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6311.4-60-M20-88-KR
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88

6311.4-60-M20-113-OS
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6311.4-60-M20-113-KS
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6311.4-60-M20-113-KR
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113

6311.4-60-M20-138-OS
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6311.4-60-M20-138-KS
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6311.4-60-M20-138-KR
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138