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 |