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Extension Spring Z-121DI Spring steel Ø 1.6 x 17.6 x 136 mm / 180° Scaled prices - Extension Spring Z-121DI Quantity Single price [EUR] 1 6.5600 EUR 2 4.1300 EUR 3 2.9300 EUR 7 2.5000 EUR 17 1.2300 EUR 37 0.9300 EUR 75 0.7600 EUR 125 0.7108 EUR 175 0.6967 EUR 250 0.6533 EUR 350 0.6276 EUR 450 0.5960 EUR Extension Spring Buy Product image Extension Spring Z-121DI Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-121DI 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 1.6 mm Wire diameter D mm mean coil diameter De 17.6 mm outer coil diameter Dh 20.4 mm minimum bush diameter L0 136 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 112.8 mm length of unstressed spring body Ln 459.6 mm maximum spring length, inner loop to inner loop sn 323.6 mm Maximum spring deflection Fn 82.12 N Maximum spring force n pc. Number of aktive coils nt pc. total number of coils Lh 11.6 mm distance of inner edge of loop from the spring body R 0.235 N/mm Spring rate F0 6.221 N initial tension Fntol 4.03 N (+/-) tolerance of maximum spring force L0tol 2.4 mm (+/-) tolerance of unstressed length Detol 0.35 mm (+/-) tolerance of outer coil diameter Oesttol 54 degree (+/-) tolerance of loop position Weight 56.79 g weight of one spring Price group ZK - price group Technical drawing Extension Spring Datasheet Extension Spring Z-121DI Spring steel Ø 1.6 x 17.6 x 136 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-121DI Spring steel Ø 1.6 x 17.6 x 136 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-121DI Spring steel Ø 1.6 x 17.6 x 136 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-121DI Spring steel Ø 1.6 x 17.6 x 136 mm / 180° force-path-calculation Extension Spring Z-121DI Inquiry formular Extension Spring Z-121DI Spring steel Ø 1.6 x 17.6 x 136 mm / 180° Inquiry formular Extension Spring Z-121DI Similar extension springs to Extension Spring Z-121DI Spring steel Ø 1.6 x 17.6 x 136 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-121DI EN 10270-1 1.6 17.6 136 82.12 459.6 323.6 0.235 100.0 | 100.0 | 100.0 | 100.0 RZ-121DI 1.4310 1.6 17.6 136 69.37 455.59 319.59 0.201 92.4 | 100.0 | 91.6 | 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 84.7 | 91.4 | 87.0 | 75.7 Z-121EI 17.6 149 0.21 EN 10270-1 82.12 509.87 360.87 93.9 | 97.1 | 94.8 | 89.7 Z-121DI 17.6 136 0.235 EN 10270-1 82.12 459.6 323.6 100.0 | 100.0 | 100.0 | 100.0 Z-121CI 17.6 123 0.269 EN 10270-1 82.12 404.7 281.7 74.9 | 92.2 | 75.7 | 56.9 Z-130K-01I 20 145 0.275 EN 10270-1 100.9 487.01 342.01 88.1 | 90.2 | 88.0 | 86.0 Z-130KI 20 136 0.298 EN 10270-1 100.9 451.2 315.2 71.0 | 89.2 | 72.2 | 51.8 Z-115V-27I 15 125.5 0.302 EN 10270-1 79.83 368.83 243.33 84.7 | 90.4 | 86.2 | 77.4 Z-121BI 17.6 111 0.305 EN 10270-1 82.12 359.8 248.8 71.3 | 92.1 | 71.6 | 50.2 Z-121NI 15.5 133 0.358 EN 10270-1 92.71 371.48 238.48 80.6 | 95.3 | 81.1 | 65.3 Z-141DI 18 164 0.573 EN 10270-1 149.2 404.1 240.1 64.1 | 86.9 | 64.6 | 40.8 Z-138I 18.6 147 0.589 EN 10270-1 144.7 374.38 227.38 64.1 | 89.0 | 63.5 | 39.9 Z-130K-05I 16 134 0.607 EN 10270-1 124.8 323.26 189.26 64.5 | 92.8 | 62.1 | 38.5 Z-141CI 18 148 0.647 EN 10270-1 149.2 360.46 212.46 62.1 | 89.9 | 60.3 | 36.1 Z-141BI 18 132 0.744 EN 10270-1 149.2 316.83 184.83 59.7 | 91.6 | 56.1 | 31.4 Z-141AI 18 118 0.856 EN 10270-1 149.2 278.64 160.64 49.2 | 87.5 | 42.3 | 17.9 Z-147K-03I 20 134 0.872 EN 10270-1 176.1 319 185 47.8 | 84.2 | 41.9 | 17.4 Z-141JI 16 155 0.893 EN 10270-1 166.7 325.39 170.39 54.4 | 86.2 | 51.0 | 25.9 Z-141HI 16 121 1.2 EN 10270-1 166.7 247.84 126.84 50.1 | 86.6 | 44.2 | 19.3 Number of similar metal springs: 17 Customs tariff number: 73202085; Extension Spring Z-121DI Country of origin: DE, German; Extension Spring Z-121DI Product image - Extension Springs Z-121DI QR-Code: Extension Spring Z-121DI