MN - Nut type

MN - Nut type
Ordering form

 

Carbon steel / Centering / 2D CAD / 3D CADInstallation Manual


Features

  1. Total 14 standard models for shaft diameters ranging from φ8 to φ35mm.
  2. Centering function.
  3. Saving installation time.
  4. Improved operation.
  5. Hub outer diameter can be minimized.

Structure

Structure

Concept of frictional connection

Concept of frictional connection

Comparison of minimum hub

outer diameter

Comparison of minimum hub outer diameter

Mecha-lock MN series can easily connect shaft and hub by nut tightening.
MN series are suitable for small hub diameters with thin Mecha-lock body.

Material / Surface treatment

  Material Surface treatment
Inner ring Equivalent to S45C -
Outer ring Equivalent to S45C -
Nut Equivalent to S45C Black surface treatment

Usage example

Usage example

Installation example

Installation example

Specifications / Sizes

Specifications / Sizes

Unit : mm
Type


      d    D
Maximum
torque
capacity
N·m
Price


¥
Thrust
capacity

kN
Surface pressure Moment
of
inertia
kg·m2
Tightening
torque

N·m
Weight


g
Sizes
Shaft

N/mm2
Hub

N/mm2
A B L L2 L3
MN-8-14 29.4 5,500 6.9 312 178 1.91×10-6 24.5 34 23.5 22 19 11 8
MN-10-17 34.3 5,800 6.9 218 128 3.30×10-6 29.4 43 26.0 24 21 12 9
MN-11-18 39.2 5,800 6.9 217 132 3.73×10-6 34.3 46 26.0 24 22 12 10
MN-12-20 49 5,800 7.3 204 122 4.25×10-6 44.1 50 26.0 24 23 13 10
MN-14-23 88.3 6,200 12.3 173 106 1.05×10-5 58.8 80 32.5 30 26 15 11
MN-15-24 108 6,200 13.7 169 106 1.11×10-5 68.6 85 32.5 30 27 16 11
MN-17-26 186 6,500 19.6 164 107 1.36×10-5 98.1 96 32.5 30 31 19 12
MN-20-29 245 6,800 24.5 165 114 2.65×10-5 137 135 39.0 36 33 20 13
MN-22-32 275 7,000 24.5 131 90.0 3.20×10-5 147 147 39.0 36 35 22 13
MN-24-34 314 7,200 25.5 118 83.0 4.80×10-5 167 185 44.0 41 37 24 13
MN-25-35 353 7,200 27.5 119 85.1 5.00×10-5 186 187 44.0 41 38 25 13
MN-28-40 378 7,800 26.5 98.5 68.9 1.19×10-4 226 320 54.0 50 43 28 15
MN-30-42 392 8,000 25.5 92.9 66.3 1.78×10-4 255 398 60.0 55 46 30 16
MN-35-48 461 8,800 25.5 68.6 50.0 2.88×10-4 294 521 66.0 60 52 35 17

Shaft / Hub

Unit : mm
Type

      d    D
Processing sizes Yield point stress for each smallest outer diameter of hub material. HD
D2 d2 d3 HL 206 225 245 274 294 343 392 441
FC350
SS400
S10C


S15C
FCD400
SS490
S20C


S30C
FCD450

S35C
FCD500

S45C
FCD600

S55C
FCD700


MN-8-14 8 14 8 13 31 30 28 26 24 23 22 21
MN-10-17 10 17 10 14 33 32 30 28 26 25 24 23
MN-11-18 11 18 11 14 38 35 33 31 29 27 25 24
MN-12-20 12 20 12 15 40 37 35 33 31 29 28 27
MN-14-23 14 23 14 17 41 39 37 35 34 32 31 30
MN-15-24 15 24 15 18 43 40 38 36 35 33 32 31
MN-17-26 17 26 17 21 50 47 44 42 40 38 36 35
MN-20-29 20 29 20 22 52 49 47 46 45 43 40 39
MN-22-32 22 32 22 24 54 52 50 47 45 43 41 40
MN-24-34 24 34 24 26 55 53 51 48 47 45 43 42
MN-25-35 25 35 25 27 55 53 51 49 48 45 44 43
MN-28-40 28 40 28 30 57 55 54 52 51 49 48 47
MN-30-42 30 42 30 32 61 59 57 56 54 52 50 49
MN-35-48 35 48 35 37 64 62 61 59 58 56 55 54
  • Mecha-lock can be manufactured for other motor shaft tolerances (j6.k6.m6). Shaft tolerance should be specified after selecting the type when ordering. [example : MN-20-29(m6)]