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Extension Spring Z-156KI Spring steel Ø 2.5 x 20 x 163.5 mm / 180° Scaled prices - Extension Spring Z-156KI 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 1.0500 EUR 175 1.0500 EUR 250 1.0500 EUR 350 1.0500 EUR 450 1.0500 EUR Extension Spring Buy Product image Extension Spring Z-156KI Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-156KI 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 2.5 mm Wire diameter D mm mean coil diameter De 20 mm outer coil diameter Dh 24.1 mm minimum bush diameter L0 163.5 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 138.75 mm length of unstressed spring body Ln 332.14 mm maximum spring length, inner loop to inner loop sn 168.64 mm Maximum spring deflection Fn 249.9 N Maximum spring force n pc. Number of aktive coils nt pc. total number of coils Lh 12.37 mm distance of inner edge of loop from the spring body R 1.362 N/mm Spring rate F0 20.2 N initial tension Fntol 13.44 N (+/-) tolerance of maximum spring force L0tol 2.5 mm (+/-) tolerance of unstressed length Detol 0.35 mm (+/-) tolerance of outer coil diameter Oesttol 42 degree (+/-) tolerance of loop position Weight 119.9 g weight of one spring Price group #ZN - price group Technical drawing Extension Spring Datasheet Extension Spring Z-156KI Spring steel Ø 2.5 x 20 x 163.5 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-156KI Spring steel Ø 2.5 x 20 x 163.5 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-156KI Spring steel Ø 2.5 x 20 x 163.5 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-156KI Spring steel Ø 2.5 x 20 x 163.5 mm / 180° force-path-calculation Extension Spring Z-156KI Inquiry formular Extension Spring Z-156KI Spring steel Ø 2.5 x 20 x 163.5 mm / 180° Inquiry formular Extension Spring Z-156KI Similar extension springs to Extension Spring Z-156KI Spring steel Ø 2.5 x 20 x 163.5 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-156KI EN 10270-1 2.5 20 163.5 249.9 332.14 168.64 1.362 100.0 | 100.0 | 100.0 | 100.0 RZ-156KI 1.4310 2.5 20 163.5 207.8 327.45 163.95 1.17 91.9 | 100.0 | 90.2 | 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-130K-01I 20 145 0.275 EN 10270-1 100.9 487.01 342.01 50.5 | 86.9 | 44.8 | 19.9 Z-136DI 22 170 0.293 EN 10270-1 123.3 560.42 390.42 52.2 | 89.0 | 46.3 | 21.3 Z-130KI 20 136 0.298 EN 10270-1 100.9 451.2 315.2 51.2 | 85.1 | 46.9 | 21.6 Z-136CI 22 154 0.331 EN 10270-1 123.3 499.48 345.48 53.8 | 88.4 | 49.1 | 24.1 Z-147KI 24 166 0.387 EN 10270-1 148 523.12 357.12 57.0 | 89.9 | 53.2 | 28.0 Z-141EI 18 180 0.513 EN 10270-1 149.2 447.74 267.74 62.0 | 86.9 | 61.3 | 37.6 Z-138AI 18.6 160 0.536 EN 10270-1 144.7 409.93 249.93 64.0 | 90.3 | 62.7 | 39.1 Z-141DI 18 164 0.573 EN 10270-1 149.2 404.1 240.1 65.6 | 89.9 | 65.0 | 41.9 Z-138I 18.6 147 0.589 EN 10270-1 144.7 374.38 227.38 65.5 | 87.6 | 66.0 | 42.9 Z-141CI 18 148 0.647 EN 10270-1 149.2 360.46 212.46 67.9 | 86.8 | 69.5 | 47.4 Z-147K-04I 20 156 0.723 EN 10270-1 176.1 379.15 223.15 73.6 | 94.5 | 73.0 | 53.3 Z-147K-03I 20 134 0.872 EN 10270-1 176.1 319 185 78.3 | 90.0 | 80.8 | 64.2 Z-156BI 22.5 165 0.93 EN 10270-1 223.8 386.69 221.69 82.3 | 96.0 | 82.8 | 68.1 Z-156LI 20 191 1.134 EN 10270-1 249.9 393.67 202.67 90.0 | 95.2 | 91.6 | 83.2 Z-156KI 20 163.5 1.362 EN 10270-1 249.9 332.14 168.64 100.0 | 100.0 | 100.0 | 100.0 Z-159CI 18.5 179 1.58 EN 10270-1 268.6 334.75 155.75 91.1 | 94.6 | 92.7 | 85.9 Z-159BI 18.5 159 1.816 EN 10270-1 268.6 294.49 135.49 86.0 | 96.6 | 86.7 | 74.7 Z-162PI 20 194 2.068 EN 10270-1 341.5 345.81 151.81 79.6 | 91.2 | 81.6 | 65.9 Z-159AI 18.5 141 2.089 EN 10270-1 268.6 258.76 117.76 79.8 | 92.9 | 81.4 | 65.0 Z-162O-02I 20 171 2.39 EN 10270-1 341.5 302.36 131.36 75.8 | 95.0 | 75.5 | 57.0 Z-162O-01I 20 146 2.896 EN 10270-1 341.5 254.4 108.4 69.5 | 92.9 | 68.7 | 47.0 Z-162OI 20 138 3.115 EN 10270-1 341.5 238.8 100.8 67.1 | 91.2 | 66.5 | 43.7 Z-174I 23.2 158 3.38 EN 10270-1 430.1 276.25 118.25 63.9 | 87.0 | 64.1 | 40.7 Z-162U-43I 18 162.5 5.258 EN 10270-1 452.6 240.26 77.76 55.7 | 90.9 | 50.7 | 25.5 Z-177AI 19.2 174 5.609 EN 10270-1 510 256.83 82.83 54.2 | 89.4 | 49.1 | 24.1 Z-177I 19.2 151 6.603 EN 10270-1 510 221.36 70.36 51.5 | 88.8 | 45.4 | 20.4 Z-177TI 18 165 14.508 EN 10270-1 739.6 211.03 46.03 42.0 | 86.2 | 30.5 | 9.2 Number of similar metal springs: 26 Customs tariff number: 73202085; Extension Spring Z-156KI Country of origin: DE, German; Extension Spring Z-156KI Product image - Extension Springs Z-156KI QR-Code: Extension Spring Z-156KI