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Wire rope isolator: 'polycal'

DEFINITION
series MP28
  • All metal multidirectional anti-vibration/shock mounts
  • Exceptional reliability and long life
  • High damping
  • No aging
  • Corrosion resistant
  • Unequalled temperature range:- 180°C to 300°C (- 290°F to 570°F)
  • Great adaptability/versatility

Dimensions are in milimeters. For reference only

Series

Materials and finishes
(meets RoHS requirements)

MP28

Cable:
stainless steel
Retainer bars:
aluminium alloy
Inserts:
stainless steel

 
Model

height

H (mm)

width

U (mm)

width

V (mm)

weight

(kg)

-58
56
60
82
0.18
-64
72
78
90
0.20
-70
86
86
103
0.22
-76
102
97
111
0.23
Interfaces

fixtures holes D

Bar 2
Bar 1
1 through hole ø7 mm (option:Insert M10)
M
P
2
8

Serie: MP28

'Polycal' mount from the MP28 series

-
5
8

Model: -58

height: 56mm
width: 60mm
weight: 0.18kg

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Wire rope isolator: 'polycal'

PERFORMANCE DATA
series MP28

Compression and tension

MP28 Series
Model
-58
-64
-70
-76
1. Max Static
F daN
13.6
7.6
5.9
4.1
d mm
4.5
7.2
9.5
12.1
2. Max Shock
F daN
40.8
22.7
17.6
12.2
d mm
24
38
51
65
3. Max Vibration
2a mm
2.7
4.3
5.6
7.2
f Hz
9.3
7.4
6.4
5.7
1. Max Static
F daN
13.6
7.6
5.9
4.1
d mm
3.5
5.1
7.6
8.4
2. Max Shock
F daN
139
72
61.8
38
d mm
15
21
34
34
3. Max Vibration
2a mm
1.7
2.3
3.8
3.8
f Hz
12.3
10.4
8.3
8.1

Compression/roll 45° - Tension/roll 45°

MP28 Series
Model
-58
-64
-70
-76
1. Max Static
F daN
10.2
5.7
4.4
3
d mm
6.7
9.3
13.9
16
2. Max Shock
F daN
26.8
14.7
11.6
7.8
d mm
36
58
77
98
3. Max Vibration
2a mm
4
6.4
8.5
10.9
f Hz
6.9
5.6
4.8
4.3
1. Max Static
F daN
10.2
5.7
4.4
3
d mm
4.2
6.1
9.6
11.1
2. Max Shock
F daN
69.4
35.6
30.8
18.8
d mm
17
24
39
39
3. Max Vibration
2a mm
2
2.6
4.3
4.3
f Hz
9.9
8.4
6.7
6.6

Shear or Roll

MP28 Series
Model
-58
-64
-70
-76
1. Max Static
F daN
6.8
3.8
2.9
2
d mm
7.4
11.5
17.8
23
2. Max Shock
F daN
27.6
15.4
13.3
7.8
d mm
23
34
50
57
3. Max Vibration
2a mm
2.6
3.8
5.5
6.3
f Hz
7.8
6.4
5.3
4.9
  1. Max static load (F) with corresponding deflection (d)
  2. Max shock load (F) with corresponding deflection (d)
  3. Uncoupled resonant frequency (f) under max static loading 1. and max peak to peak sinusoidal vibration input (2a)

*IMPORTANT: Performance characteristics are given here for reference only. They can be increased under specific conditions. Contact us

Typical shock/vibration specifications:

Air AIR 7306, MIL-E-5400, MIL-C-172, MIL-STD-810
Ground Forces GAM EG13A, SEFT 001, MIL-STD-810, VG 9533
Marine GAM EG13C, IT25-21/96-31/15-86, MIL-S-167, MIL-S-901, STANAG 042, BV 043.73, BV 044
Others GAM EMB1, GAM EMBT4, DEF STAN 07-55, IEC 571, FINABEL 2C
May 5, 2026
www.vibrodynamics.com 
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