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Extension Spring Z-121MI Spring steel Ø 1.6 x 15.5 x 120 mm / 180° Scaled prices - Extension Spring Z-121MI 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-121MI Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-121MI 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 15.5 mm outer coil diameter Dh 18.3 mm minimum bush diameter L0 120 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 100 mm length of unstressed spring body Ln 331.33 mm maximum spring length, inner loop to inner loop sn 211.33 mm Maximum spring deflection Fn 92.71 N Maximum spring force n pc. Number of aktive coils nt pc. total number of coils Lh 10 mm distance of inner edge of loop from the spring body R 0.404 N/mm Spring rate F0 7.331 N initial tension Fntol 4.64 N (+/-) tolerance of maximum spring force L0tol 2.4 mm (+/-) tolerance of unstressed length Detol 0.35 mm (+/-) tolerance of outer coil diameter Oesttol 47 degree (+/-) tolerance of loop position Weight 43.83 g weight of one spring Price group ZK - price group Technical drawing Extension Spring Datasheet Extension Spring Z-121MI Spring steel Ø 1.6 x 15.5 x 120 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-121MI Spring steel Ø 1.6 x 15.5 x 120 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-121MI Spring steel Ø 1.6 x 15.5 x 120 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-121MI Spring steel Ø 1.6 x 15.5 x 120 mm / 180° force-path-calculation Extension Spring Z-121MI Inquiry formular Extension Spring Z-121MI Spring steel Ø 1.6 x 15.5 x 120 mm / 180° Inquiry formular Extension Spring Z-121MI Similar extension springs to Extension Spring Z-121MI Spring steel Ø 1.6 x 15.5 x 120 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-121MI EN 10270-1 1.6 15.5 120 92.71 331.33 211.33 0.404 92.3 | 96.5 | 93.4 | 86.9 RZ-121MI 1.4310 1.6 15.5 120 78.31 328.82 208.82 0.347 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-106EI 13.7 118.7 0.162 EN 10270-1 52.74 420.1 301.4 59.8 | 85.7 | 58.9 | 34.7 Z-106DI 13.7 108.7 0.18 EN 10270-1 52.74 379.77 271.07 53.7 | 87.3 | 49.5 | 24.4 Z-106HI 12.7 121 0.201 EN 10270-1 56.71 380.15 259.15 69.2 | 86.4 | 71.4 | 49.9 Z-115LI 15 105 0.261 EN 10270-1 66.08 336.91 231.91 62.1 | 90.4 | 60.0 | 35.8 Z-121CI 17.6 123 0.269 EN 10270-1 82.12 404.7 281.7 88.5 | 89.1 | 85.4 | 91.1 Z-115V-27I 15 125.5 0.302 EN 10270-1 79.83 368.83 243.33 79.3 | 92.1 | 80.8 | 65.0 Z-121BI 17.6 111 0.305 EN 10270-1 82.12 359.8 248.8 80.5 | 95.0 | 81.2 | 65.4 Z-115V-26I 15 113.5 0.341 EN 10270-1 79.83 328.82 215.32 84.7 | 95.1 | 85.7 | 73.4 Z-121NI 15.5 133 0.358 EN 10270-1 92.71 371.48 238.48 86.4 | 93.6 | 88.5 | 77.0 Z-115V-25I 15 101.5 0.392 EN 10270-1 79.83 288.81 187.31 73.4 | 93.5 | 73.3 | 53.5 Z-121MI 15.5 120 0.404 EN 10270-1 92.71 331.33 211.33 92.3 | 96.5 | 93.4 | 86.9 Z-121LI 15.5 107.5 0.465 EN 10270-1 92.71 291.11 183.61 100.0 | 100.0 | 100.0 | 100.0 Z-124DI 14.1 131 0.492 EN 10270-1 101.3 320.87 189.87 89.0 | 94.2 | 90.7 | 82.2 Z-121KI 15.5 96 0.535 EN 10270-1 92.71 255.58 159.58 84.9 | 96.4 | 85.6 | 72.9 Z-124CI 14.1 118 0.556 EN 10270-1 101.3 286.02 168.02 89.8 | 94.0 | 91.5 | 83.7 Z-130K-05I 16 134 0.607 EN 10270-1 124.8 323.26 189.26 70.6 | 92.8 | 70.4 | 48.5 Z-124BI 14.1 105 0.639 EN 10270-1 101.3 251.19 146.19 92.3 | 96.6 | 93.5 | 86.9 Z-115V-37I 12 120.5 0.641 EN 10270-1 98.5 262.9 142.4 78.1 | 90.3 | 80.8 | 63.4 Z-130K-04I 16 109 0.77 EN 10270-1 124.8 258.25 149.25 77.7 | 94.8 | 77.8 | 60.4 Z-124HI 12.7 115 0.807 EN 10270-1 111.8 243.25 128.25 71.6 | 92.6 | 71.8 | 50.3 Z-141AI 18 118 0.856 EN 10270-1 149.2 278.64 160.64 49.2 | 87.5 | 42.3 | 17.9 Z-141HI 16 121 1.2 EN 10270-1 166.7 247.84 126.84 63.1 | 88.6 | 62.3 | 38.4 Z-144BI 14.5 126 1.56 EN 10270-1 182.5 232.34 106.34 56.7 | 86.3 | 54.4 | 29.4 Z-144AI 14.5 112 1.795 EN 10270-1 182.5 204.42 92.42 63.9 | 87.1 | 64.1 | 40.4 Z-159I 18.5 124 2.46 EN 10270-1 268.6 224.03 100.03 43.9 | 85.2 | 34.7 | 11.9 Z-147OI 15 107 2.881 EN 10270-1 229.9 179.6 72.6 53.6 | 84.9 | 50.6 | 25.2 Number of similar metal springs: 25 Customs tariff number: 73202085; Extension Spring Z-121MI Country of origin: DE, German; Extension Spring Z-121MI Product image - Extension Springs Z-121MI QR-Code: Extension Spring Z-121MI