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Extension Spring Z-137I Spring steel Ø 2 x 18.6 x 65 mm / 180° Scaled prices - Extension Spring Z-137I Quantity Single price [EUR] 1 6.3400 EUR 2 3.9900 EUR 3 2.6300 EUR 7 2.1900 EUR 17 1.1200 EUR 37 0.7600 EUR 75 0.5700 EUR 125 0.5339 EUR 175 0.5280 EUR 250 0.5147 EUR 350 0.4963 EUR 450 0.4768 EUR Extension Spring Buy Product image Extension Spring Z-137I Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-137I Formula symbols Value Unit Description Material EN 10270-1 - type of material Eylet shape 1/1 deutsche - Eylet shape F1 N prestressed spring force L1 mm Prestressed spring length s1 mm prestressed spring deflection F2 N loaded spring force L2 mm loaded spring length s2 mm loaded spring deflection Eyelet position 180 ° Eyelet position d 2 mm Wire diameter D mm mean coil diameter De 18.6 mm outer coil diameter Dh 22.1 mm minimum bush diameter L0 65 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 41 mm length of unstressed spring body Ln 138.29 mm maximum spring length, inner loop to inner loop sn 73.29 mm Maximum spring deflection Fn 144.7 N Maximum spring force n pc. Number of aktive coils nt pc. total number of coils Lh 12 mm distance of inner edge of loop from the spring body R 1.827 N/mm Spring rate F0 10.81 N initial tension Fntol 8.57 N (+/-) tolerance of maximum spring force L0tol 1.8 mm (+/-) tolerance of unstressed length Detol 0.45 mm (+/-) tolerance of outer coil diameter Oesttol 26 degree (+/-) tolerance of loop position Weight 27.69 g weight of one spring Price group ZH - price group Technical drawing Extension Spring Datasheet Extension Spring Z-137I Spring steel Ø 2 x 18.6 x 65 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-137I Spring steel Ø 2 x 18.6 x 65 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-137I Spring steel Ø 2 x 18.6 x 65 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-137I Spring steel Ø 2 x 18.6 x 65 mm / 180° force-path-calculation Extension Spring Z-137I Inquiry formular Extension Spring Z-137I Spring steel Ø 2 x 18.6 x 65 mm / 180° Inquiry formular Extension Spring Z-137I Similar extension springs to Extension Spring Z-137I Spring steel Ø 2 x 18.6 x 65 mm / 180° Below you will find similar Extension Springs that differ from the current spring in terms of material, dimensions and spring force. The spring highlighted in green is the most similar. A similar Extension Spring made from a different material The Extension Spring shown below has the same dimensions but is made of a different material. Please check the spring forces. article number Material d (mm) De (mm) L0 (mm) Fn (N) Ln (mm) sn (mm) R (N/mm) Similarity in %: Overall | Geometrie | Load | Stiffness Z-137I EN 10270-1 2 18.6 65 144.7 138.29 73.29 1.827 100.0 | 100.0 | 100.0 | 100.0 RZ-137I 1.4310 2 18.6 65 121.3 136.86 71.86 1.57 92.1 | 100.0 | 90.9 | 85.5 Number of similar metal springs: 2 Similar Extension Springs with varying levels of spring force To compare forces, enter the length of the loaded spring [L2] or the loaded spring deflection [s2] and click [Update]. Dimensions are subject to a tolerance of up to +/- 30 %. L2 (mm) loaded spring length s2 (mm) loaded spring deflection Priority De (mm) outer coil diameter L0 (mm) length of unstressed spring, measured from inner edge of loop to inner edge of loop R (N/mm) Spring rate article number De (mm) L0 (mm) R (N/mm) Material Fn (N) Ln (mm) sn (mm) Similarity in %Overall | Geometrie | Load | Stiffness Z-100E-13I 14 65.3 0.176 EN 10270-1 34.48 248.14 182.84 39.4 | 76.6 | 32.0 | 9.6 Z-115F-12I 20 65.3 0.248 EN 10270-1 49.5 255.44 190.14 45.7 | 87.5 | 36.4 | 13.2 Z-102I 17.2 56.1 0.25 EN 10270-1 42.35 214.28 158.18 43.9 | 80.4 | 37.8 | 13.6 Z-115V-11I 20 70 0.296 EN 10270-1 60.54 260.91 190.91 47.7 | 87.0 | 40.1 | 16.1 Z-117I 21.6 71 0.341 EN 10270-1 67.4 257.15 186.15 49.1 | 85.9 | 43.0 | 18.3 Z-106I 13.7 65.2 0.353 EN 10270-1 52.74 203.5 138.3 47.6 | 78.6 | 44.7 | 19.3 Z-115F-11I 20 53 0.392 EN 10270-1 49.5 173.29 120.29 50.0 | 81.5 | 47.6 | 20.8 Z-120I 17.6 64.6 0.665 EN 10270-1 82.12 178.69 114.09 62.8 | 91.3 | 60.5 | 36.5 Z-130HI 20 73 0.724 EN 10270-1 100.9 202.91 129.91 64.4 | 90.7 | 63.1 | 39.3 Z-115V-21I 15 62.5 0.762 EN 10270-1 79.83 158.78 96.28 63.9 | 83.9 | 65.6 | 42.0 Z-121GI 15.5 66 0.904 EN 10270-1 92.71 160.45 94.45 69.3 | 87.3 | 70.8 | 49.7 Z-135I 22 70.8 1.045 EN 10270-1 123.3 180.34 109.54 75.1 | 92.1 | 76.1 | 57.0 Z-130GI 20 56.8 1.144 EN 10270-1 100.9 138.99 82.19 77.3 | 90.1 | 79.5 | 62.2 Z-130K-21I 16 63 1.66 EN 10270-1 124.8 132.23 69.23 90.9 | 91.0 | 90.4 | 91.3 Z-137I 18.6 65 1.827 EN 10270-1 144.7 138.29 73.29 100.0 | 100.0 | 100.0 | 100.0 Z-147K-21I 20 75.5 1.968 EN 10270-1 176.1 157.5 82 89.2 | 90.0 | 85.8 | 91.9 Z-140I 18 64.4 2.041 EN 10270-1 149.2 131.77 67.37 94.1 | 98.6 | 94.5 | 89.2 Z-136E-10I 18.6 49 3.099 EN 10270-1 144.7 92.21 43.21 76.7 | 91.8 | 79.5 | 59.0 Z-139I 18 48.4 3.46 EN 10270-1 149.2 88.13 39.73 72.9 | 90.4 | 75.6 | 52.6 Z-147K-20I 20 51.5 4.03 EN 10270-1 176.1 91.5 40 67.0 | 87.7 | 68.4 | 44.8 Z-154I 22.5 60.5 4.326 EN 10270-1 223.8 108.15 47.65 64.0 | 85.2 | 64.8 | 42.0 Z-156FI 20 63.5 5.121 EN 10270-1 249.9 108.37 44.87 61.7 | 90.2 | 59.6 | 35.4 Z-157AI 18.5 62 6.7 EN 10270-1 268.6 98.72 36.72 56.9 | 91.6 | 52.0 | 27.0 Z-162MI 20 70.6 7.939 EN 10270-1 341.5 110.16 39.56 52.2 | 85.5 | 48.2 | 22.9 Z-157I 18.5 54.1 8.448 EN 10270-1 268.6 83.22 29.12 51.9 | 87.6 | 46.8 | 21.4 Z-162LI 20 53.8 12.954 EN 10270-1 341.5 78.04 24.24 44.7 | 82.4 | 37.7 | 14.0 Z-162U-38I 18 60.5 19.56 EN 10270-1 452.6 81.4 20.9 41.6 | 85.5 | 30.2 | 9.1 Z-175I 19.2 62 22.678 EN 10270-1 510 82.48 20.48 40.3 | 84.9 | 28.2 | 7.9 Z-177RI 18 78.5 36.971 EN 10270-1 739.6 96.56 18.06 35.1 | 78.4 | 22.1 | 4.8 Z-177QI 18 56.9 60.321 EN 10270-1 739.6 67.97 11.07 33.4 | 80.0 | 17.3 | 3.0 Number of similar metal springs: 29 Customs tariff number: 73202085; Extension Spring Z-137I Country of origin: DE, German; Extension Spring Z-137I Product image - Extension Springs Z-137I QR-Code: Extension Spring Z-137I