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Extension Spring Z-138I Spring steel Ø 2 x 18.6 x 147 mm / 180° Scaled prices - Extension Spring Z-138I Quantity Single price [EUR] 1 7.0400 EUR 2 4.4400 EUR 3 3.4600 EUR 7 2.9500 EUR 17 1.5300 EUR 37 1.2300 EUR 75 1.0500 EUR 125 0.9748 EUR 175 0.9607 EUR 250 0.9427 EUR 350 0.8977 EUR 450 0.8721 EUR Extension Spring Buy Product image Extension Spring Z-138I Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-138I 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 147 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 123 mm length of unstressed spring body Ln 374.38 mm maximum spring length, inner loop to inner loop sn 227.38 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 0.589 N/mm Spring rate F0 10.81 N initial tension Fntol 7.21 N (+/-) tolerance of maximum spring force L0tol 2.4 mm (+/-) tolerance of unstressed length Detol 0.45 mm (+/-) tolerance of outer coil diameter Oesttol 46 degree (+/-) tolerance of loop position Weight 80.52 g weight of one spring Price group ZN - price group Technical drawing Extension Spring Datasheet Extension Spring Z-138I Spring steel Ø 2 x 18.6 x 147 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-138I Spring steel Ø 2 x 18.6 x 147 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-138I Spring steel Ø 2 x 18.6 x 147 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-138I Spring steel Ø 2 x 18.6 x 147 mm / 180° force-path-calculation Extension Spring Z-138I Inquiry formular Extension Spring Z-138I Spring steel Ø 2 x 18.6 x 147 mm / 180° Inquiry formular Extension Spring Z-138I Similar extension springs to Extension Spring Z-138I Spring steel Ø 2 x 18.6 x 147 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-138I EN 10270-1 2 18.6 147 144.7 374.38 227.38 0.589 100.0 | 100.0 | 100.0 | 100.0 RZ-138I 1.4310 2 18.6 147 121.3 369.96 222.96 0.506 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-115V-17I 20 133 0.117 EN 10270-1 60.54 615.49 482.49 50.1 | 86.2 | 44.5 | 19.7 Z-121EI 17.6 149 0.21 EN 10270-1 82.12 509.87 360.87 62.2 | 91.1 | 59.9 | 35.8 Z-121DI 17.6 136 0.235 EN 10270-1 82.12 459.6 323.6 64.1 | 89.0 | 63.5 | 39.9 Z-121CI 17.6 123 0.269 EN 10270-1 82.12 404.7 281.7 66.9 | 86.1 | 68.7 | 45.8 Z-130K-01I 20 145 0.275 EN 10270-1 100.9 487.01 342.01 69.4 | 93.9 | 68.1 | 46.4 Z-130KI 20 136 0.298 EN 10270-1 100.9 451.2 315.2 71.0 | 91.8 | 70.9 | 50.3 Z-130K-06I 16 159 0.495 EN 10270-1 124.8 391.34 232.34 88.7 | 89.5 | 92.1 | 84.4 Z-138AI 18.6 160 0.536 EN 10270-1 144.7 409.93 249.93 94.6 | 97.3 | 95.5 | 91.0 Z-141DI 18 164 0.573 EN 10270-1 149.2 404.1 240.1 96.3 | 95.5 | 95.8 | 97.6 Z-138I 18.6 147 0.589 EN 10270-1 144.7 374.38 227.38 100.0 | 100.0 | 100.0 | 100.0 Z-130K-05I 16 134 0.607 EN 10270-1 124.8 323.26 189.26 90.1 | 89.1 | 84.7 | 96.5 Z-141CI 18 148 0.647 EN 10270-1 149.2 360.46 212.46 94.8 | 98.7 | 95.2 | 90.6 Z-147K-04I 20 156 0.723 EN 10270-1 176.1 379.15 223.15 87.8 | 92.7 | 90.2 | 80.6 Z-141BI 18 132 0.744 EN 10270-1 149.2 316.83 184.83 87.8 | 95.5 | 89.1 | 78.8 Z-147K-03I 20 134 0.872 EN 10270-1 176.1 319 185 80.1 | 91.7 | 81.8 | 66.9 Z-141JI 16 155 0.893 EN 10270-1 166.7 325.39 170.39 79.8 | 93.6 | 80.9 | 65.0 Z-156AI 22.5 148 1.07 EN 10270-1 223.8 340.69 192.69 72.3 | 87.3 | 74.7 | 54.8 Z-156KI 20 163.5 1.362 EN 10270-1 249.9 332.14 168.64 65.5 | 87.6 | 66.0 | 42.9 Z-159CI 18.5 179 1.58 EN 10270-1 268.6 334.75 155.75 61.8 | 87.2 | 61.2 | 36.9 Z-159BI 18.5 159 1.816 EN 10270-1 268.6 294.49 135.49 59.8 | 90.6 | 56.7 | 32.1 Z-147PI 15 151 1.913 EN 10270-1 229.9 260.36 109.36 58.5 | 89.6 | 55.5 | 30.3 Z-159AI 18.5 141 2.089 EN 10270-1 268.6 258.76 117.76 57.5 | 91.8 | 52.8 | 27.9 Z-159I 18.5 124 2.46 EN 10270-1 268.6 224.03 100.03 53.5 | 87.9 | 48.9 | 23.7 Z-162O-01I 20 146 2.896 EN 10270-1 341.5 254.4 108.4 51.0 | 87.9 | 45.0 | 20.2 Z-162OI 20 138 3.115 EN 10270-1 341.5 238.8 100.8 49.4 | 86.1 | 43.4 | 18.8 Number of similar metal springs: 24 Customs tariff number: 73202085; Extension Spring Z-138I Country of origin: DE, German; Extension Spring Z-138I Product image - Extension Springs Z-138I QR-Code: Extension Spring Z-138I