DIN981 Slotted Nut for Bearing Adapter Sleeve

  • Model NO.: KM10, KMFE10, KMK10, SSKM10
  • Type: Round Head
  • Head Style: Round
  • ISO 2982: Km, Hm, Kml, Hme
  • Trademark: Ubet Machinery
  • Origin: China
  • Material: Carbon Steel
  • Connection: Common Bolt
  • Standard: DIN, ANSI, GB, BSW
  • Slotted Lock Nut: Km10, Kmfe10, Kmk10, Sskm10
  • Transport Package: Wooden Cases
  • HS Code: 8483900000
Lock nuts are used to locate bearings and other components onto a shaft or adapter sleeve. They are also used for mounting bearings on tapered shaft seats and dismounting bearings from withdrawal sleeves.
 
Lock nuts have to be secured to prevent unintentional loosening. This is done, either by a locking device that engages a keyway in the shaft or key slot in the adapter sleeve, or by a locking mechanism integrated in the nut.
DIN981 Slotted Nut for Bearing Adapter Sleeve
 
Type Whorl Dimensions (mm)
D6 g D3 B b h
KM 00 M 10 x 0.75 10 13.5 18 4 3 2
KM 01 M 12 x 1 12 17 22 4 3 2
KM 02 M 15 x 1 15 21 25 5 4 2
KM 03 M 17 x 1 17 24 28 5 4 2
KM 04 M 20 x 1 20 26 32 6 4 2
KM / 22 M 22 x 1 22 28 34 6 4 2
KM 05 M 25 x 1.5 25 32 38 7 5 2
KM / 28 M 28 x 1.5 28 36 42 7 5 2
KM 06 M 30 x 1.5 30 38 45 7 5 2
KM / 32 M 32 x 1.5 32 40 48 8 5 2
KM 07 M 35 x 1.5 35 44 52 8 5 2
KM 08 M 40 x 1.5 40 50 58 9 6 2.5
KM 09 M 45 x 1.5 45 56 65 10 6 2.5
KM 10 M 50 x 1.5 50 61 70 11 6 2.5
KM 11 M 55 x 2 55 67 75 11 7 3
KM 12 M 60 x 2 60 73 80 11 7 3
KM 13 M 65 x 2 65 79 85 12 7 3
KM 14 M 70 x 2 70 85 92 12 8 3.5
KM 15 M 75 x 2 75 90 98 13 8 3.5
KM 16 M 80 x 2 80 95 105 15 8 3.5
KM 17 M 85 x 2 85 102 110 16 8 3.5
KM 18 M 90 x 2 90 108 120 16 10 4
KM 19 M 95 x 2 95 113 125 17 10 4
KM 20 M 100 x 2 100 120 130 18 10 4
KM 21 M 105 x 2 105 126 140 180 12 5
KM 22 M 110 x 2 110 133 145 19 12 5
KM 23 M 115 x 2 115 137 150 19 12 5
KM 24 M 120 x 2 120 138 155 20 12 5
KM 25 M 125 x 2 125 148 160 21 12 5
KM 26 M 130 x 2 130 149 165 21 12 5
KM 27 M 135 x 2 135 160 175 22 14 6
KM 28 M 140 x 2 140 160 180 22 14 6
KM 29 M 145 x 2 145 171 190 24 14 6
KM 30 M 150 x 2 150 171 195 24 14 6
KM 31 M 155 x 3 155 182 200 25 16 7
KM 32 M 160 x 3 160 182 210 25 16 7
KM 33 M 165 x 3 165 193 210 26 16 7
KM 34 M 170 x 3 170 193 220 26 16 7
KM 36 M 180 x 3 180 203 230 27 18 8
KM 38 M 190 x 3 190 214 240 28 18 8
KM 40 M 200 x 3 200 226 250 29 18 8

The piston is one of the main moving parts of the engine, is composed of combustion chamber components.
The pressure of the gas piston through the connecting rod to the crankshaft, realize the change from heat energy to mechanical energy.
The work condition is very bad, and the temperature of 1400-1800 DEG C, and pressure
Up to 13MPa above the gas contact, greatly alternating thermal stress and mechanical stress.
And by the serious corrosion of gas, and under the condition of boundary lubrication and cylinder wall friction and strong impact 1 times.
The piston in high temperature, high pressure, strong corrosive gas contact so that it has enough strength and hardness,
Heat resistance and good thermal resistance, high fatigue strength and corrosion resistance. For high speed Diesel Engine Piston also requires light as far as possible.
In order to reduce the inertia force.
Marine piston large low speed diesel engine of the crosshead is usually combined.
The heat treatment process by normalizing and annealing, and iron pearlite are ferrite organization, has good heat resistance.
Piston alloy quenched and tempered steel has better heat resistance and corrosion resistance. The skirt with nodular cast iron annealing treatment, with good wear resistance.

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