MSR
The MSR Series of locknuts are precision nuts whose benefits have advantages in many engineering sectors.
Where high speed spindles or spindles that are subjected to high levels of strain are used, their axial rigidity and increased levels of dynamic safety ensure optimum results for the entire bearing assembly.
Repeated precision adjustments can be carried out using the locknut on the same spindle.
The locknut can simply and precisely assume the function of shaft collar or contact surface.
Spieth lock nuts are designed and produced to conform to a high standard of run out accuracy.
No grooves or locking plates etc.
Clamping screws around the periphery and the configured elastic diaphragm of the nut on the spindle thread provide even clamping forces all way round.

There are 71 products in this category:
Part # |
Name |
Dimensions in mm (d2) | Dimensions in mm (d3) | Dimensions in mm (d4) | Dimensions in mm (d5) | Dimensions in mm (d6) | Dimensions in mm (h) | Dimensions in mm (l) | Dimensions in mm (e) | Calculation Factor A (mm) | Locknut Specific Allowance B |
|
MSR |
M10 x 0.75mm |
24 | 2.5 | 17 | 3.2 | 22 | 14 | 3 | 6.5 | 0.672 | 2457 |
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MSR |
M10 x 1.0mm |
24 | 2.5 | 17 | 3.2 | 22 | 15 | 3 | 6.5 | 0.703 | 2457 |
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MSR |
M12 x 1.0mm |
26 | 3 | 19 | 3.2 | 25 | 14 | 3 | 6.5 | 0.819 | 2438 |
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MSR |
M12 x 1.5mm |
26 | 3 | 19 | 3.2 | 25 | 15 | 3 | 6.5 | 0.881 | 2438 |
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MSR |
M14 x 1.5mm |
32 | 4 | 22.5 | 4.3 | 30 | 16 | 3 | 7 | 0.997 | 2995 |
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MSR |
M15 x 1.0mm |
33 | 4 | 23.5 | 4.3 | 31 | 16 | 3 | 7 | 0.992 | 2984 |
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MSR |
M16 x 1.5mm |
34 | 4 | 24.5 | 4.3 | | 18 | 5 | | 1.112 | 3962 |
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MSR |
M17 x 1.0mm |
35 | 4 | 25.5 | 4.3 | | 18 | 5 | | 1.108 | 3947 |
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MSR |
M18 x 1.5mm |
36 | 4 | 26.5 | 4.3 | | 18 | 5 | | 1.228 | 3931 |
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MSR |
M20 x 1.0mm |
40 | 4 | 30.5 | 4.3 | | 18 | 5 | | 1.281 | 3900 |
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MSR |
M20 x 1.5mm |
40 | 4 | 30.5 | 4.3 | | 18 | 5 | | 1.344 | 3900 |
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MSR |
M22 x 1.5mm |
40 | 4 | 30.5 | 4.3 | | 18 | 5 | | 1.459 | 3869 |
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MSR |
M24 x 1.5mm |
42 | 4 | 32.5 | 4.3 | | | 5 | | 1.575 | 3838 |
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MSR |
M25 x 1.5mm |
45 | 5 | 36.5 | 4.3 | | 20 | 6.5 | | 33 | 822 |
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MSR |
M26 x 1.5mm |
45 | 5 | 36.5 | 4.3 | | 20 | 6.5 | | 1.690 | 3806 |
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MSR |
M28 x 1.5mm |
46 | 5 | 38.5 | 4.3 | | 20 | 6.5 | | 1.805 | 3775 |
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MSR |
M30 x 1.5mm |
48 | 5 | 40.5 | 4.3 | | 20 | 6.5 | | 1.921 | 3744 |
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MSR |
M32 x 1.5mm |
50 | 5 | 42.5 | 4.3 | | 22 | 7 | | 2.037 | 3713 |
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MSR |
M35 x 1.5mm |
53 | 5 | 45.5 | 4.3 | | 22 | 7 | | 2.210 | 3666 |
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MSR |
M38 x 1.5mm |
58 | 5 | 48.5 | 4.3 | | 22 | 7 | | 2.449 | 3619 |
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MSR |
M40 x 1.5mm |
58 | 5 | 50.5 | 4.3 | | 22 | 7 | | 2.500 | 3588 |
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MSR |
M42 x 1.5mm |
60 | 5 | 52.5 | 4.3 | | 22 | 7 | | 2.617 | 3557 |
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MSR |
M45 x 1.5mm |
68 | 6 | 58 | 4.3 | | 22 | 6.5 | | 2.789 | 5265 |
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MSR |
M48 x 1.5mm |
68 | 6 | 59.5 | 4.3 | | 25 | 9 | | 2.962 | 5195 |
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MSR |
M50 x 1.5mm |
70 | 6 | 61.5 | 4.3 | | 25 | 9 | | 3.079 | 5148 |
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MSR |
M52 x 1.5mm |
72 | 6 | 63.5 | 4.3 | | 25 | 9 | | .196 | 5101 |
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MSR |
M55 x 1.5mm |
75 | 6 | 66.5 | 4.3 | | 25 | 9 | | 3.369 | 5031 |
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MSR |
M58 x 1.5mm |
82 | 6 | 72.5 | 5.3 | | 26 | 9 | | 3.541 | 8077 |
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MSR |
M60 x 1.5mm |
84 | 6 | 74.5 | 5.3 | | 26 | 9 | | 3.655 | 8001 |
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MSR |
M62 x 1.5mm |
86 | 6 | 76.5 | 5.3 | | 28 | 10.5 | | 3.774 | 7925 |
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MSR |
M65 x 1.5mm |
88 | 6 | 78.5 | 5.3 | | 28 | 10.5 | | 3.498 | 7811 |
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MSR |
M68 x 1.5mm |
| | | | | | | | | |
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MSR |
M70 x 1.5mm |
95 | 8 | 85 | 5.3 | | 28 | 9.5 | | 4.238 | 7620 |
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MSR |
M72 x 1.5mm |
98 | 8 | 86 | 6.4 | | 28 | 8.5 | | 4.354 | 10692 |
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MSR |
M75 x 1.5mm |
100 | 8 | 88 | 6.4 | | 28 | 8.5 | | 4.525 | 10530 |
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MSR |
M80 x 2.0mm |
110 | 8 | 95 | 6.4 | | 32 | 11 | | 4.873 | 10260 |
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MSR |
M85 x 2.0mm |
115 | 8 | 100 | 6.4 | | 32 | 11 | | 5.168 | 9990 |
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MSR |
M90 x 2.0mm |
120 | 8 | 108 | 6.4 | | 32 | 11 | | 5.453 | 9720 |
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MSR |
M95 x 2.0mm |
125 | 8 | 113 | 6.4 | | 32 | 11 | | 5.744 | 9450 |
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MSR |
M100 x 2.0mm |
130 | 8 | 118 | 6.4 | | 32 | 11 | | 6.033 | 9180 |
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MSR |
M105 x 2.0mm |
135 | 8 | 123 | 6.4 | | 32 | 11 | | 6.321 | 8910 |
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MSR |
M110 x 2.0mm |
140 | 8 | 128 | 6.4 | | 32 | 11 | | 6.616 | 8640 |
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MSR |
M115 x 2.0mm |
145 | 8 | 133 | 6.4 | | 36 | 13 | | 6.900 | 8370 |
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MSR |
M120 x 2.0mm |
155 | 8 | 140 | 6.4 | | 36 | 13 | | 7.193 | 8100 |
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MSR |
M125 x 2.0mm |
160 | 8 | 148 | 6.4 | | 36 | 13 | | 7.474 | 7830 |
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MSR |
M130 x 3.0mm |
165 | 8 | 153 | 6.4 | | 36 | 13 | | 7.895 | 7560 |
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MSR |
M140 x 3.0mm |
180 | 10 | 165 | 6.4 | | 36 | 12 | | 8.475 | 9360 |
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MSR |
M150 x 3.0mm |
190 | 10 | 175 | 6.4 | | 36 | 12 | | 9.050 | 8640 |
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MSR |
M160 x 3.0mm |
205 | 10 | 185 | 8.4 | | 40 | 14 | | 9.633 | 14520 |
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MSR |
M170 x 3.0mm |
215 | 10 | 195 | 8.4 | | 40 | 14 | | 10.213 | 13200 |
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MSR |
M180 x 3.0mm |
230 | 10 | 210 | 8.4 | | 40 | 14 | | 10.789 | 11880 |
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MSR |
M190 x 3.0mm |
240 | 10 | 224 | 8.4 | | 40 | 14 | | 11.362 | 10560 |
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MSR |
M200 x 3.0mm |
245 | 10 | 229 | 8.4 | | 40 | 14 | | 11.948 | 9240 |
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MSR |
M210 x 3.0mm |
270 | 12 | 232 | | | 44 | 13 | 27 | 12.515 | 5280 |
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MSR |
M220 X 3.0mm |
282 | 12 | 242 | | | 44 | 13 | 27 | 13.097 | 5148 |
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MSR |
M230 x 3.0mm |
295 | 12 | 252 | | | 44 | 13 | 27 | 13.677 | 5016 |
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MSR |
M240 x 3.0mm |
308 | 12 | 262 | | | 44 | 13 | 27 | 14.256 | 4884 |
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MSR |
M250 x 3.0mm |
322 | 12 | 272 | | | 44 | 13 | 27 | 14.833 | 4752 |
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MSR |
M260 x 3.0mm |
336 | 12 | 282 | | | 44 | 13 | 27 | 15.408 | 5775 |
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MSR |
M270 x 3.0mm |
350 | 12 | 292 | | | 44 | 13 | 27 | 15.982 | 5610 |
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MSR |
M280 x 3.0mm |
364 | 12 | 302 | | | 44 | 13 | 27 | 16.578 | 5445 |
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MSR |
M290 x 3.0mm |
376 | 12 | 312 | | | 44 | 13 | 27 | 17.149 | 5280 |
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MSR |
M300 x 3.0mm |
390 | 12 | 322 | | | 44 | 13 | 27 | 17.717 | 5115 |
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MSR |
M310 x 4.0mm |
400 | 14 | 337 | | | 54 | 16 | 32 | 18.437 | 7860 |
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MSR |
M320 x 4.0mm |
412 | 14 | 347 | | | 54 | 16 | 32 | 19.008 | 7598 |
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MSR |
M330 x 4.0mm |
424 | 14 | 357 | | | 54 | 16 | 32 | 19.578 | 7336 |
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MSR |
M340 x 4.0mm |
436 | 14 | 367 | | | 54 | 16 | 32 | 20.176 | 7074 |
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MSR |
M350 x 4.0mm |
450 | 14 | 377 | | | 54 | 16 | 32 | 20.743 | 6812 |
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MSR |
M360 x 4.0mm |
466 | 14 | 387 | | | 54 | 16 | 32 | 21.309 | 7860 |
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MSR |
M370 x 4.0mm |
478 | 14 | 397 | | | 54 | 16 | 32 | 21.905 | 7546 |
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MSR |
M380 x 4.0mm |
490 | 14 | 407 | | | 54 | 16 | 32 | 22.468 | 7231 |
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