Standard Extension Spring Assemblies

SA Range (Extension Springs)

Note

All figures stated are for reference only, for detailed specification contact our sales department.

Materials

Stainless steel springs, mild steel pressed parts (zinc plated & clear passivated)
Assembly
Number
Assembly
Type
Incorporates
Spring No.
A
(mm)
B
(mm)
b
(mm)
Load +/- 10% Extension
(mm)
Average Fatigue
Life Cycles
Newtons Kg
SA242 Single SR68 36 21 25 10 1 920 40000
SA243 Single SR69 36 21 25 14 1.4 1120 40000
SA244 Single SR70 36 21 25 16 1.6 1320 40000
SA245 Single SR71 36 21 25 18 1.9 1520 40000
SA246 Single SR72 49 27 38 21 2.1 1120 40000
SA247 Single SR44 36 21 25 24 2.5 1320 15000
SA248 Single SR74 49 27 38 28 2.9 1520 40000
SA249 Single SR45 36 21 25 30 3.1 1520 15000
SA250 Single SR75 61 33 51 32 3.3 1320 40000
SA251 Single SR48 49 27 38 45 4.6 1520 15000
SA252 Single SR50 49 27 38 70 7.2 2230 15000
SA253 Single SR51 61 33 51 80 8.2 1930 15000
SA254 Single SR52 61 33 51 94 9.5 2240 15000
SA255 Single SR24 49 27 38 103 10.5 2240 5000
SA256 Single SR26 61 33 51 138 14.1 2240 5000
SA257 Double SR68 36 21 25 20 2 920 40000
SA258 Double SR69 36 21 25 28 2.8 1120 40000
SA259 Double SR70 36 21 25 32 3.3 1320 40000
SA260 Double SR71 36 21 25 37 3.8 1520 40000
SA261 Double SR72 49 27 38 41 4.2 1120 40000
SA262 Double SR44 36 21 25 48 4.9 1320 15000
SA263 Double SR74 49 27 38 56 5.7 1520 40000
SA264 Double SR45 36 21 25 61 6.2 1520 15000
SA265 Double SR75 61 33 51 65 6.6 1320 40000
SA266 Double SR48 49 27 38 91 9.3 1520 15000
SA267 Double SR50 49 27 38 141 14.3 3340 15000
SA268 Double SR51 61 33 51 160 16.3 1930 15000
SA269 Double SR52 61 33 51 187 19.1 2240 15000
SA270 Double SR24 49 27 38 206 21.1 2240 5000
SA271 Double SR26 61 33 51 276 28.1 2240 5000
SA275 Mini SR6 0 0 0 4.4 0.45 360 5000
SA276 Mini SR7 0 0 0 5.5 0.56 445 5000
SA277 Mini SR32 0 0 0 2.8 0.29 330 15000
SA278 Mini N2592 0 0 0 1.3 0.14 510 35000
SN2817 Double SN2882 61 33 51 188 19.2 1300 15000
SN2883 Single SN2882 61 33 51 94 9.6 1300 15000
SN7595 Mini SN7595 0 0 0 3 0.31 510 16000
SN4635 (LH) Tandem SR26 61 33 51 276 28.1 2100 5000
SN4635 (RH) Tandem SR26 61 33 51 276 28.1 2100 5000