Inch and Metric Size, Stainless Steel,
Leveling Mounts
With Tapped Socket and Rubber Pad
GN 31

RoHS Compliant

 

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Specification
Information

Tapped socket: Stainless steel, European Standard No. 1.4305 (American Standard Series 303), shot-blast finish
Type B1 - Black rubber pad inlay: Nitrile Butadiene rubber, 85-90° Shore A hardness
Type B2 - White rubber pad inlay: Santoprene® (TPE), 85-90° Shore A hardness
Types B3 and C3 - Black vulcanized rubber pad inlay: Perbunan® (NBR), 80 +/- 5° Shore A hardness
Types B4 and C4 - White vulcanized rubber pad inlay: Perbunan® (NBR), 80 +/- 5° Shore A hardness
Stainless steel assembly screw for rubber pad is loctited into base

The solid rubber pad is firmly embedded in the sheet metal base and secured by a screw loctited into place.
To insure proper leveling mount size, divide the machine weight by the number of mounts required. This will equal the pounds or load per mount.
The static load is limited by any deformation of the base.
Black pad inlay (NBR) offers high resistance to swelling when in contact with oils and fuels.
White pad inlay (TPE) has excellent dynamic fatigue life and is resistant to ozone and atmospheric influences.
Polished finish version available upon request.

CLICK ON PART NUMBER FOR PRICE (and option to add to cart)
For CAD download instructions, click
HERE

Inch Table, Matte Shot Blasted Base,
with Rubber Inlay

Dimensions in:

inches
(millimeters)

Part Number

d1

d2
Tapped

l1

l2

s

t

A/F
Across
Flats

Max. Load (kN)
With Pad
Black Rubber Pad
White Rubber Pad
Black
White

31-50-5/16X18-37-B1-X
Download the CAD

31-50-5/16X18-37-B2-X
Download the CAD

1.97
(50)

5/16-18

1.46
(37)

.57
(14.5)

.12
(3)

.31
(8)

.55
(14)

8
8

31-50-3/8X16-40-B1-X
Download the CAD

31-50-3/8X16-40-B2-X
Download the CAD

1.97
(50)

3/8-16

1.57
(40)

.57
(14.5)

.12
(3)

.39
(10)

.55
(14)

13
13

31-50-1/2X13-43-B1-X
Download the CAD

31-50-1/2X13-43-B2-X
Download the CAD

1.97
(50)

1/2-13

1.69
(43)

.57
(14.5)

.12
(3)

.47
(12)

.67
(17)

20
20

31-50-5/8X11-49-B1-X
Download the CAD

31-50-5/8X11-49-B2-X
Download the CAD

1.97
(50)

5/8-11

1.93
(49)

.57
(14.5)

.12
(3)

.63
(16)

.87
(22)

28
25

31-60-5/16X18-38-B1-X
Download the CAD

31-60-5/16X18-38-B2-X
Download the CAD

2.36
(60)

5/16-18

1.50
(38)

.63
(16)

.12
(3)

.31
(8)

.55
(14)

8
8

31-60-3/8X16-41-B1-X
Download the CAD

31-60-3/8X16-41-B2-X
Download the CAD

2.36
(60)

3/8-16

1.61
(41)

.63
(16)

.12
(3)

.39
(10)

.55
(14)

13
13

31-60-1/2X13-45-B1-X
Download the CAD

31-60-1/2X13-45-B2-X
Download the CAD

2.36
(60)

1/2-13

1.77
(45)

.63
(16)

.12
(3)

.47
(12)

.67
(17)

20
20

31-60-5/8X11-50-B1-X
Download the CAD

31-60-5/8X11-50-B2-X
Download the CAD

2.36
(60)

5/8-11

1.97
(50)

.63
(16)

.12
(3)

.63
(16)

.87
(22)

28
25
Part Number

d1

d2
Tapped

l1

l2

s

t

A/F
Across
Flats

Max. Load (kN)
With Pad
Black Rubber Pad
White Rubber Pad
Black
White

31-80-5/16X18-40-B1-X
Download the CAD

31-80-5/16X18-40-B2-X
Download the CAD

3.15
(80)

5/16-18

1.57
(40)

.71
(.18)

.12
(3)

.31
(8)

.55
(14)

8
8

31-80-3/8X16-43-B1-X
Download the CAD

31-80-3/8X16-43-B2-X
Download the CAD

3.15
(80)

3/8-16

1.69
(43)

.71
(.18)

.12
(3)

.39
(10)

.55
(14)

13
13

31-80-1/2X13-47-B1-X
Download the CAD

31-80-1/2X13-47-B2-X
Download the CAD

3.15
(80)

1/2-13

1.85
(47)

.71
(.18)

.12
(3)

.47
(12)

.67
(17)

15
15

31-80-5/8X11-52-B1-X
Download the CAD

31-80-5/8X11-52-B2-X
Download the CAD

3.15
(80)

5/8-11

2.05
(52)

.71
(.18)

.12
(3)

.63
(16)

.87
(22)

19
15

31-80-3/4X10-60-B1-X
Download the CAD

31-80-3/4X10-60-B2-X
Download the CAD

3.15
(80)

3/4-10

2.36
(60)

.71
(.18)

.12
(3)

.79
(20)

1.06
(27)

19
15

31-100-5/16X18-42-B1-X
Download the CAD

31-100-5/16X18-42-B2-X
Download the CAD

3.94
(100)

5/16-18

1.65
(42)

.79
(20)

.12
(3)

.31
(8)

.55
(14)

8
8

31-100-3/8X16-45-B1-X
Download the CAD

31-100-3/8X16-45-B2-X
Download the CAD

3.94
(100)

3/8-16

1.77
(45)

.79
(20)

.12
(3)

.39
(10)

.55
(14)

13
13

31-100-1/2X13-49-B1-X
Download the CAD

31-100-1/2X13-49-B2-X
Download the CAD

3.94
(100)

1/2-13

1.93
(49)

.79
(20)

.12
(3)

.47
(12)

.67
(17)

17
14

31-100-5/8X11-54-B1-X
Download the CAD

31-100-5/8X11-54-B2-X
Download the CAD

3.94
(100)

5/8-11

2.13
(54)

.79
(20)

.12
(3)

.63
(16)

.87
(22)

17
14

31-100-3/4X10-62-B1-X
Download the CAD

31-100-3/4X10-62-B2-X
Download the CAD

3.94
(100)

3/4-10

2.44
(62)

.79
(20)

.12
(3)

.79
(20)

1.06
(27)

17
14
 
Metric Table - Matte Shot Blasted Base,
with Rubber Inlay

Dimensions in:

millimeters
(inches)

Part Number

d1

d2
Tapped

l1

l2

s

t

A/F
Across
Flats

Max. Load (kN)
With Pad
Black Rubber Pad
White Rubber Pad
Black
White

31-50-M8-37-B1-X
Download the CAD

31-50-M8-37-B2-X
Download the CAD

50
(1.97)

M8 x 1.25

37
(1.46)

14.5
(.57)

3
(.12)

8
(.31)

14
(.55)

8
8

31-50-M10-40-B1-X
Download the CAD

31-50-M10-40-B2-X
Download the CAD

50
(1.97)

M10 x 1.5

40
(1.57)

14.5
(.57)

3
(.12)

10
(.39)

14
(.55)

13
13

31-50-M12-43-B1-X
Download the CAD

31-50-M12-43-B2-X
Download the CAD

50
(1.97)

M12 x 1.75

43
(1.69)

14.5
(.57)

3
(.12)

12
(.47)

17
(.67)

20
20

31-50-M16-49-B1-X
Download the CAD

31-50-M16-49-B2-X
Download the CAD

50
(1.97)

M16 x 2.0

49
(1.93)

14.5
(.57)

3
(.12)

16
(.63)

22
(.87)

28
25

31-60-M8-38-B1-X
Download the CAD

31-60-M8-38-B2-X
Download the CAD

60
(2.36)

M8 x 1.25

38
(1.50)

16
(.63)

3
(.12)

8
(.31)

14
(.55)

8
8

31-60-M10-41-B1-X
Download the CAD

31-60-M10-41-B2-X
Download the CAD

60
(2.36)

M10 x 1.5

41
(1.61)

16
(.63)

3
(.12)

10
(.39)

14
(.55)

13
13

31-60-M12-45-B1-X
Download the CAD

31-60-M12-45-B2-X
Download the CAD

60
(2.36)

M12 x 1.75

45
(1.77)

16
(.63)

3
(.12)

12
(.47)

17
(.67)

20
20

31-60-M16-50-B1-X
Download the CAD

31-60-M16-50-B2-X
Download the CAD

60
(2.36)

M16 x 2.0

50
(1.97)

16
(.63)

3
(.12)

16
(.63)

22
(.87)

28
25
Part Number

d1

d2
Tapped

l1

l2

s

t

A/F
Across
Flats

Max. Load (kN)
With Pad
Black Rubber Pad
White Rubber Pad
Black
White

31-80-M8-40-B1-X
Download the CAD

31-80-M8-40-B2-X
Download the CAD

80
(3.15)

M8 x 1.25

40
(1.57)

18
(.71)

3
(.12)

8
(.31)

14
(.55)

8
8

31-80-M10-43-B1-X
Download the CAD

31-80-M1-43-B2-X
Download the CAD

80
(3.15)

M10 x 1.5

43
(1.69)

18
(.71)

3
(.12)

10
(.39)

14
(.55)

13
13

31-80-M12-47-B1-X
Download the CAD

31-80-M12-47-B2-X
Download the CAD

80
(3.15)

M12 x 1.75

47
(1.85)

18
(.71)

3
(.12)

12
(.47)

17
(.67)

15
15

31-80-M16-52-B1-X
Download the CAD

31-80-M16-52-B2-X
Download the CAD

80
(3.15)

M16 x 2.0

52
(2.05)

18
(.71)

3
(.12)

16
(.63)

22
(.87)

19
15

31-80-M20-60-B1-X
Download the CAD

31-80-M20-60-B2-X
Download the CAD

80
(3.15)

M20 x 2.5

60
(2.36)

18
(.71)

3
(.12)

20
(.79)

27
(1.06)

19
15

31-100-M8-42-B1-X
Download the CAD

31-100-M8-42-B2-X
Download the CAD

100
(3.94)

M8 x 1.25

42
(1.65)

20
(.79)

3
(.12)

8
(.31)

14
(.55)

8
8

31-100-M10-45-B1-X
Download the CAD

31-100-M10-45-B2-X
Download the CAD

100
(3.94)

M10 x 1.5

45
(1.77)

20
(.79)

3
(.12)

10
(.39)

14
(.55)

13
13

31-100-M12-49-B1-X
Download the CAD

31-100-M12-49-B2-X
Download the CAD

100
(3.94)

M12 x 1.75

49
(1.93)

20
(.79)

3
(.12)

12
(.47)

17
(.67)

17
14

31-100-M16-54-B1-X
Download the CAD

31-100-M16-54-B2-X
Download the CAD

100
(3.94)

M16 x 2.0

54
(2.13)

20
(.79)

3
(.12)

16
(.63)

22
(.87)

17
14

31-100-M20-62-B1-X
Download the CAD

31-100-M20-62-B2-X
Download the CAD

100
(3.94)

M20 x 2.5

62
(2.44)

20
(.79)

3
(.12)

20
(.79)

27
(1.06)

17
14

31-120-M20-65-B1-X
Download the CAD

31-120-M20-65-B2-X
Download the CAD

120
(4.72)

M20 x 2.5

65
(2.55)

22
(.87)

4
(.16)

20
(.79)

27
(1.06)

25
22
 
Metric Table - Matte Shot Blasted Base,
with Vulcanized Rubber Inlay

Dimensions in:

millimeters
(inches)

Part Number

d1

d2
Tapped

l1

l2

s

t

A/F
Across
Flats

Max. Load (kN)
With Pad
Black Rubber Pad
White Rubber Pad
Black
White

31-60-M8-38-B3-X
Download the CAD

31-60-M8-38-B4-X
Download the CAD

60
(2.36)

M8 x 1.25

38
(1.50)

16
(.63)

3
(.12)

8
(.31)

14
(.55)

8
8

31-60-M10-41-B3-X
Download the CAD

31-60-M10-41-B4-X
Download the CAD

60
(2.36)

M10 x 1.5

41
(1.61)

16
(.63)

3
(.12)

10
(.39)

14
(.55)

13
13

31-60-M12-45-B3-X
Download the CAD

31-60-M12-45-B4-X
Download the CAD

60
(2.36)

M12 x 1.75

45
(1.77)

16
(.63)

3
(.12)

12
(.47)

17
(.67)

20
20

31-60-M16-50-B3-X
Download the CAD

31-60-M16-50-B4-X
Download the CAD

60
(2.36)

M16 x 2.0

50
(1.97)

16
(.63)

3
(.12)

16
(.63)

22
(.87)

28
25

31-80-M8-40-B3-X
Download the CAD

31-80-M8-40-B4-X
Download the CAD

80
(3.15)

M8 x 1.25

40
(1.57)

18
(.71)

3
(.12)

8
(.31)

14
(.55)

8
8

31-80-M10-43-B3-X
Download the CAD

31-80-M1-43-B4-X
Download the CAD

80
(3.15)

M10 x 1.5

43
(1.69)

18
(.71)

3
(.12)

10
(.39)

14
(.55)

13
13

31-80-M12-47-B3-X
Download the CAD

31-80-M12-47-B4-X
Download the CAD

80
(3.15)

M12 x 1.75

47
(1.85)

18
(.71)

3
(.12)

12
(.47)

17
(.67)

15
15

31-80-M16-52-B3-X
Download the CAD

31-80-M16-52-B4-X
Download the CAD

80
(3.15)

M16 x 2.0

52
(2.05)

18
(.71)

3
(.12)

16
(.63)

22
(.87)

19
15

31-80-M20-60-B3-X
Download the CAD

31-80-M20-60-B4-X
Download the CAD

80
(3.15)

M20 x 2.5

60
(2.36)

18
(.71)

3
(.12)

20
(.79)

27
(1.06)

19
15

31-100-M8-42-B3-X
Download the CAD

31-100-M8-42-B4-X
Download the CAD

100
(3.94)

M8 x 1.25

42
(1.65)

20
(.79)

3
(.12)

8
(.31)

14
(.55)

8
8

31-100-M10-45-B3-X
Download the CAD

31-100-M10-45-B4-X
Download the CAD

100
(3.94)

M10 x 1.5

45
(1.77)

20
(.79)

3
(.12)

10
(.39)

14
(.55)

13
13

31-100-M12-49-B3-X
Download the CAD

31-100-M12-49-B4-X
Download the CAD

100
(3.94)

M12 x 1.75

49
(1.93)

20
(.79)

3
(.12)

12
(.47)

17
(.67)

17
14

31-100-M16-54-B3-X
Download the CAD

31-100-M16-54-B4-X
Download the CAD

100
(3.94)

M16 x 2.0

54
(2.13)

20
(.79)

3
(.12)

16
(.63)

22
(.87)

17
14

31-100-M20-62-B3-X
Download the CAD

31-100-M20-62-B4-X
Download the CAD

100
(3.94)

M20 x 2.5

62
(2.44)

20
(.79)

3
(.12)

20
(.79)

27
(1.06)

17
14
 
Metric Table - Polished Base,
with Vulcanized Rubber Inlay

Dimensions in:

millimeters
(inches)

Part Number

d1

d2
Tapped

l1

l2

s

t

A/F
Across
Flats

Max. Load (kN)
With Pad
Black Rubber Pad
White Rubber Pad
Black
White

31-60-M8-38-C3-X
Download the CAD

31-60-M8-38-C4-X
Download the CAD

60
(2.36)

M8 x 1.25

38
(1.50)

16
(.63)

3
(.12)

8
(.31)

14
(.55)

8
8

31-60-M10-41-C3-X
Download the CAD

31-60-M10-41-C4-X
Download the CAD

60
(2.36)

M10 x 1.5

41
(1.61)

16
(.63)

3
(.12)

10
(.39)

14
(.55)

13
13

31-60-M12-45-C3-X
Download the CAD

31-60-M12-45-C4-X
Download the CAD

60
(2.36)

M12 x 1.75

45
(1.77)

16
(.63)

3
(.12)

12
(.47)

17
(.67)

20
20

31-60-M16-50-C3-X
Download the CAD

31-60-M16-50-C4-X
Download the CAD

60
(2.36)

M16 x 2.0

50
(1.97)

16
(.63)

3
(.12)

16
(.63)

22
(.87)

28
25

31-80-M8-40-C3-X
Download the CAD

31-80-M8-40-C4-X
Download the CAD

80
(3.15)

M8 x 1.25

40
(1.57)

18
(.71)

3
(.12)

8
(.31)

14
(.55)

8
8

31-80-M10-43-C3-X
Download the CAD

31-80-M1-43-C4-X
Download the CAD

80
(3.15)

M10 x 1.5

43
(1.69)

18
(.71)

3
(.12)

10
(.39)

14
(.55)

13
13

31-80-M12-47-C3-X
Download the CAD

31-80-M12-47-C4-X
Download the CAD

80
(3.15)

M12 x 1.75

47
(1.85)

18
(.71)

3
(.12)

12
(.47)

17
(.67)

15
15

31-80-M16-52-C3-X
Download the CAD

31-80-M16-52-C4-X
Download the CAD

80
(3.15)

M16 x 2.0

52
(2.05)

18
(.71)

3
(.12)

16
(.63)

22
(.87)

19
15

31-80-M20-60-C3-X
Download the CAD

31-80-M20-60-C4-X
Download the CAD

80
(3.15)

M20 x 2.5

60
(2.36)

18
(.71)

3
(.12)

20
(.79)

27
(1.06)

19
15

31-100-M8-42-C3-X
Download the CAD

31-100-M8-42-C4-X
Download the CAD

100
(3.94)

M8 x 1.25

42
(1.65)

20
(.79)

3
(.12)

8
(.31)

14
(.55)

8
8

31-100-M10-45-C3-X
Download the CAD

31-100-M10-45-C4-X
Download the CAD

100
(3.94)

M10 x 1.5

45
(1.77)

20
(.79)

3
(.12)

10
(.39)

14
(.55)

13
13

31-100-M12-49-C3-X
Download the CAD

31-100-M12-49-C4-X
Download the CAD

100
(3.94)

M12 x 1.75

49
(1.93)

20
(.79)

3
(.12)

12
(.47)

17
(.67)

17
14

31-100-M16-54-C3-X
Download the CAD

31-100-M16-54-C4-X
Download the CAD

100
(3.94)

M16 x 2.0

54
(2.13)

20
(.79)

3
(.12)

16
(.63)

22
(.87)

17
14

31-100-M20-62-C3-X
Download the CAD

31-100-M20-62-C4-X
Download the CAD

100
(3.94)

M20 x 2.5

62
(2.44)

20
(.79)

3
(.12)

20
(.79)

27
(1.06)

17
14