KM Retaining Nut

NAN.GIF

This series is the first international standard (ISO-2982) approved in 1971 after eight years of cooperative effort among many nations of the world.

To meet the variances of some nations using metric dimensions and to bring the quality of manufacture to United States standards, this series is manufactured with a thread of 4H tolerance grade and position as promulgated by the International Standards Organization. Still these locknuts are fully interchangeable with metric locknuts made to a 5H tolerance grade and position. Be aware, however, there are special thread metric retaining locknuts just as there have been and their will be special inch locknuts for the special engineer and special application.

The runout of the bearing face to the pitch diameter of the threads has a one revolution total indicator reading of no greater than: 25 Microns (.001 inches) for sizes 00 through 10, 50 Microns (.002 inches) for sizes 11 through 20, 100 Microns (.004 inches) for sizes 21 through 40.

These metric locknuts come in carbon steel. Sizes KM-44 and larger are a Whittet-Higgins design and have class 7H metric trapezoidal threads. They use a PPM precision locking plate instead of the lockwasher. These locknuts can also be used in place of the HM31xx series locknuts.

As with all precision retaining devices, care must be taken during assembly to assure premium performance. Please open and review our installation instructions for proper technique and best results.



Identification Thread
Outside Dia
(mm)
Face Dia
(mm)
Width
(mm)
Axial Load
(kN)
Lockwasher
CAD
KM-00 M10 X ,75 18,0 13,5 4,0 12 MB-00 CAD
KM-01 M12 x 1,0 22,0 17,0 4,0 15 MB-01 CAD
KM-02 M15 x 1,0 25,0 21,0 5,0 20 MB-02 CAD
KM-03 M17 x 1,0 28,0 24,0 5,0 24 MB-03 CAD
KM-04 M20 x 1,0 32,0 26,0 6,0 32 MB-04 CAD
KM-044 M22 x 1,0 34,0 28,0 6,0 34 MB-044 CAD
KM-05 M25 x 1,5 38,0 32,0 7,0 44 MB-05 CAD
KM-056 M28 x 1,5 42,0 36,0 7,0 49 MB-056 CAD
KM-06 M30 x 1,5 45,0 38,0 7,0 53 MB-06 CAD
KM-064 M32 x 1,5 48,0 40,0 8,0 64 MB-064 CAD
KM-07 M35 x 1,5 52,0 44,0 8,0 69 MB-07 CAD
KM-08 M40 x 1,5 58,0 50,0 9,0 85 MB-08 CAD
KM-09 M45 x 1,5 65,0 56,0 10,0 106 MB-09 CAD
KM-10 M50 x 1,5 70,0 61,0 11,0 122 MB-10 CAD
KM-11 M55 x 2,0 75,0 67,0 11,0 126 MB-11 CAD
KM-12 M60 x 2,0 80,0 73,0 11,0 130 MB-12 CAD
KM-13 M65 x 2,0 85,0 79,0 12,0 147 MB-13 CAD
KM-14 M70 x 2,0 92,0 85,0 12,0 160 MB-14 CAD
KM-15 M75 x 2,0 98,0 90,0 13,0 183 MB-15 CAD
KM-16 M80 x 2,0 105,0 95,0 15,0 229 MB-16 CAD
KM-17 M85 x 2,0 110,0 102,0 16,0 250 MB-17 CAD
KM-18 M90 x 2,0 120,0 108,0 16,0 287 MB-18 CAD
KM-19 M95 x 2,0 125,0 113,0 17,0 311 MB-19 CAD
KM-20 M100 x 2,0 130,0 120,0 18,0 334 MB-20 CAD
KM-21 M105 x 2,0 140,0 126,0 18,0 376 MB-21 CAD
KM-22 M110 x 2,0 145,0 133,0 19,0 404 MB-22 CAD
KM-23 M115 x 2,0 150,0 137,0 19,0 410 MB-23 CAD
KM-24 M120 x 2,0 155,0 138,0 20,0 438 MB-24 CAD
KM-25 M125 x 2,0 160,0 148,0 21,0 467 MB-25 CAD
KM-26 M130 x 2,0 165,0 149,0 21,0 473 MB-26 CAD
KM-27 M135 x 2,0 175,0 160,0 22,0 550 MB-27 CAD
KM-28 M140 x 2,0 180,0 160,0 22,0 556 MB-28 CAD
KM-29 M145 x 2,0 190,0 171,0 24,0 664 MB-29 CAD
KM-30 M150 x 2,0 195,0 171,0 24,0 672 MB-30 CAD
KM-31 M155 x 3,0 200,0 182,0 25,0 708 MB-31 CAD
KM-32 M160 x 3,0 210,0 182,0 25,0 741 MB-32 CAD
KM-33 M165 x 3,0 210,0 193,0 26,0 751 MB-33 CAD
KM-34 M170 x 3,0 220,0 193,0 26,0 815 MB-34 CAD
KM-36 M180 x 3,0 230,0 203,0 27,0 862 MB-36 CAD
KM-38 M190 x 3,0 240,0 214,0 28,0 909 MB-38 CAD
KM-40 M200 x 3,0 250,0 226,0 29,0 956 MB-40 CAD
KM-44 TR220 x 4,0 280,0 250,0 32,0 1225 PPM-44 CAD
KM-48 TR240 x 4,0 300,0 270,0 34,0 1335 PPM-48 CAD
KM-52 TR260 x 4,0 330,0 300,0 36,0 1615 PPM-52 CAD
KM-56 TR280 x 4,0 350,0 320,0 38,0 1750 PPM-56 CAD
KM-60 TR300 x 4,0 380,0 340,0 40,0 2060 PPM-60 CAD
KM-64 TR320 x 5,0 400,0 360,0 42,0 2200 PPM-64 CAD
KM-68 TR340 x 5,0 440,0 400,0 55,0 3400 PPM-68 CAD
KM-72 TR360 x 5,0 460,0 420,0 58,0 3620 PPM-72 CAD

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