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Unit:mm

Rolling Bearings - Locknuts

DIN 981 (KM) - 1983

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德标DIN 981 (KM) - 1983 DIN981 981DIN Rolling Bearings - Locknuts
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 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
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Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Screw Thread
d
M10 M12 M15 M17 M20 M25 M30 M35 M40 M45 M50 M55 M60 M65 M70 M75
P Pitch
dk max
min
k max
min
n Nominal Size
max
min
t max
min
per unit ≈ kg
0.75 1 1 1 1 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2 2 2
18 22 25 28 32 38 45 52 58 65 70 75 80 85 92 98
17.73 21.67 24.67 27.67 31.61 37.61 44.61 51.54 57.54 64.54 69.54 74.54 79.54 84.46 91.46 97.46
4 4 5 5 6 7 7 8 9 10 11 11 11 12 12 13
3.82 3.82 4.82 4.82 5.82 6.78 6.78 7.78 8.78 9.78 10.73 10.73 10.73 11.73 11.73 12.73
3 3 4 4 4 5 5 5 6 6 6 7 7 7 8 8
3.125 3.125 4.15 4.15 4.15 5.15 5.15 5.15 6.15 6.15 6.15 7.18 7.18 7.18 8.18 8.18
2.875 2.875 3.85 3.85 3.85 4.85 4.85 4.85 5.85 5.85 5.85 6.82 6.82 6.82 7.82 7.82
2 2 2 2 2 2 2 2 2.5 2.5 2.5 3 3 3 3.5 3.5
1 1 1 1 1 1 1 1 1.5 1.5 1.5 2 2 2 2.3 2.3
0.004 0.007 0.01 0.013 0.019 0.025 0.043 0.053 0.085 0.119 0.148 0.158 0.174 0.203 0.242 0.287
Screw Thread
d
M80 M85 M90 M95 M100 M105 M110 M115 M120 M120 M125 M130 M130 M135 M140 M140
P Pitch
dk max
min
k max
min
n Nominal Size
max
min
t max
min
per unit ≈ kg
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
105 110 120 125 130 140 145 150 145 155 160 155 165 175 165 180
104.46 109.46 119.46 124.37 129.37 139.37 144.37 149.37 144.37 154.37 159.37 154.37 164.37 174.37 164.37 179.37
15 16 16 17 18 18 19 19 20 20 21 21 21 22 22 22
14.73 15.73 15.73 16.73 17.73 17.73 18.67 18.67 19.67 19.67 20.67 20.67 20.67 21.67 21.67 21.67
8 8 10 10 10 12 12 12 12 12 12 12 12 14 12 14
8.18 8.18 10.18 10.18 10.18 12.215 12.215 12.215 12.215 12.215 12.215 12.215 12.215 14.215 12.215 14.215
7.82 7.82 9.82 9.82 9.82 11.785 11.785 11.785 11.785 11.785 11.785 11.785 11.785 13.785 11.785 13.785
3.5 3.5 4 4 4 5 5 5 5 5 5 5 5 6 5 6
2.3 2.3 2.8 2.8 2.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 3.8 4.8 3.8 4.8
0.397 0.451 0.556 0.658 0.698 0.845 0.965 1.01 0.78 1.08 1.19 0.88 1.25 1.55 0.99 1.56
Screw Thread
d
M145 M150 M150 M155 M160 M160 M165 M170 M170 M180 M180 M190 M190 M200 M200
P Pitch
dk max
min
k max
min
n Nominal Size
max
min
t max
min
per unit ≈ kg
2 2 2 3 3 3 3 3 3 3 3 3 3 3 3
190 180 195 200 190 210 210 200 220 210 230 220 240 240 250
189.28 179.37 194.28 199.28 189.28 209.28 209.28 199.28 219.28 209.28 229.28 219.28 239.28 239.28 249.28
24 24 24 25 25 25 26 26 26 27 27 28 28 29 29
23.67 23.67 23.67 24.67 24.67 24.67 25.67 25.67 25.67 26.67 26.67 27.67 27.67 28.67 28.67
14 14 14 16 14 16 16 16 16 16 18 16 18 18 18
14.215 14.215 14.215 16.215 14.215 16.215 16.215 16.215 16.215 16.215 18.215 16.215 18.215 18.215 18.215
13.785 13.785 13.785 15.785 13.785 15.785 15.785 15.785 15.785 15.785 17.785 15.785 17.785 17.785 17.785
6 5 6 7 5 7 7 5 7 5 8 5 8 8 8
4.8 3.8 4.8 5.5 3.8 5.5 5.5 3.8 5.5 3.8 6.5 3.8 6.5 6.5 6.5
1.8 1.38 2.03 2.3 1.56 2.59 2.7 1.72 2.8 1.95 3.07 2.08 3.39 2.98 3.69

Alternative history

DIN 981KM - 1983 DIN 981KM - 1993 DIN 981KM - 2009
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