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Extension Spring Z-121I Spring steel Ø 1.6 x 17.6 x 88.6 mm / 180° Scaled prices - Extension Spring Z-121I 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-121I Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-121I 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 88.6 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 64.8 mm length of unstressed spring body Ln 272.37 mm maximum spring length, inner loop to inner loop sn 183.77 mm Maximum spring deflection Fn 82.12 N Maximum spring force n pc. Number of aktive coils nt pc. total number of coils Lh 11.9 mm distance of inner edge of loop from the spring body R 0.413 N/mm Spring rate F0 6.221 N initial tension Fntol 4.28 N (+/-) tolerance of maximum spring force L0tol 1.8 mm (+/-) tolerance of unstressed length Detol 0.35 mm (+/-) tolerance of outer coil diameter Oesttol 41 degree (+/-) tolerance of loop position Weight 32.96 g weight of one spring Price group ZH - price group Technical drawing Extension Spring Datasheet Extension Spring Z-121I Spring steel Ø 1.6 x 17.6 x 88.6 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-121I Spring steel Ø 1.6 x 17.6 x 88.6 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-121I Spring steel Ø 1.6 x 17.6 x 88.6 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-121I Spring steel Ø 1.6 x 17.6 x 88.6 mm / 180° force-path-calculation Extension Spring Z-121I Inquiry formular Extension Spring Z-121I Spring steel Ø 1.6 x 17.6 x 88.6 mm / 180° Inquiry formular Extension Spring Z-121I Similar extension springs to Extension Spring Z-121I Spring steel Ø 1.6 x 17.6 x 88.6 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-121I EN 10270-1 1.6 17.6 88.6 82.12 272.37 183.77 0.413 100.0 | 100.0 | 100.0 | 100.0 RZ-121I 1.4310 1.6 17.6 88.6 69.37 270.24 181.64 0.354 92.4 | 100.0 | 91.7 | 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-103AI 17.2 91.9 0.117 EN 10270-1 42.35 430.18 338.28 57.2 | 90.8 | 52.9 | 28.0 Z-100E-14I 14 86.4 0.117 EN 10270-1 34.48 361.45 275.05 54.8 | 81.9 | 54.4 | 28.1 Z-115F-13I 20 86.3 0.154 EN 10270-1 49.5 392.85 306.55 62.4 | 91.0 | 60.1 | 36.1 Z-103I 17.2 70.8 0.168 EN 10270-1 42.35 306.38 235.58 63.4 | 85.3 | 64.8 | 40.2 Z-115V-14I 20 99 0.175 EN 10270-1 60.54 421.82 322.82 65.9 | 90.4 | 65.3 | 42.0 Z-115V-13I 20 90 0.201 EN 10270-1 60.54 371.17 281.17 70.4 | 93.4 | 69.5 | 48.2 Z-106BI 13.7 88.7 0.232 EN 10270-1 52.74 299.11 210.41 72.4 | 85.3 | 75.8 | 56.1 Z-115V-12I 20 79 0.243 EN 10270-1 60.54 311.57 232.57 75.0 | 90.3 | 76.4 | 58.3 Z-121BI 17.6 111 0.305 EN 10270-1 82.12 359.8 248.8 84.7 | 93.3 | 86.9 | 73.9 Z-121AI 17.6 99.8 0.351 EN 10270-1 82.12 316.3 216.5 91.2 | 96.3 | 92.4 | 84.9 Z-121I 17.6 88.6 0.413 EN 10270-1 82.12 272.37 183.77 100.0 | 100.0 | 100.0 | 100.0 Z-115V-24I 15 91 0.451 EN 10270-1 79.83 253.8 162.8 92.0 | 92.1 | 92.9 | 91.1 Z-115V-23I 15 82 0.518 EN 10270-1 79.83 223.8 141.8 85.7 | 90.5 | 87.2 | 79.4 Z-121KI 15.5 96 0.535 EN 10270-1 92.71 255.58 159.58 86.0 | 93.5 | 87.7 | 76.9 Z-121JI 15.5 86.5 0.614 EN 10270-1 92.71 225.55 139.05 81.5 | 95.2 | 82.1 | 67.0 Z-141I 18 104 1.007 EN 10270-1 149.2 240.46 136.46 64.4 | 87.7 | 64.6 | 40.9 Z-137AI 18.6 95 1.033 EN 10270-1 144.7 224.6 129.6 64.3 | 89.3 | 63.6 | 40.0 Z-130K-03I 16 84.6 1.083 EN 10270-1 124.8 190.77 106.17 63.9 | 91.8 | 61.8 | 38.0 Z-140AI 18 87.4 1.263 EN 10270-1 149.2 196.22 108.82 60.6 | 92.1 | 57.1 | 32.6 Z-147K-01I 20 90.9 1.485 EN 10270-1 176.1 199.61 108.71 55.5 | 86.1 | 52.9 | 27.6 Z-141GI 16 87 1.828 EN 10270-1 166.7 170.28 83.28 53.1 | 89.7 | 47.3 | 22.3 Z-156HI 20 91 2.912 EN 10270-1 249.9 169.88 78.88 45.0 | 83.1 | 37.9 | 14.1 Z-156GI 20 86 3.16 EN 10270-1 249.9 158.71 72.71 44.1 | 83.0 | 36.2 | 13.0 Z-158I 18.5 86.6 3.966 EN 10270-1 268.6 148.65 62.05 42.7 | 85.6 | 32.2 | 10.3 Z-162NI 20 95.8 5.023 EN 10270-1 341.5 158.32 62.52 38.8 | 79.2 | 29.0 | 8.2 Z-161I 15 81 8.316 EN 10270-1 324.5 116.49 35.49 35.8 | 80.2 | 22.3 | 4.9 Number of similar metal springs: 25 Customs tariff number: 73202085; Extension Spring Z-121I Country of origin: DE, German; Extension Spring Z-121I Product image - Extension Springs Z-121I QR-Code: Extension Spring Z-121I