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Extension Spring Z-121BI Spring steel Ø 1.6 x 17.6 x 111 mm / 180° Scaled prices - Extension Spring Z-121BI Quantity Single price [EUR] 1 6.4000 EUR 2 4.0300 EUR 3 2.8200 EUR 7 2.3500 EUR 17 1.1600 EUR 37 0.8500 EUR 75 0.6900 EUR 125 0.6356 EUR 175 0.6220 EUR 250 0.6172 EUR 350 0.5899 EUR 450 0.5461 EUR Extension Spring Buy Product image Extension Spring Z-121BI Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-121BI 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 111 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 87.2 mm length of unstressed spring body Ln 359.8 mm maximum spring length, inner loop to inner loop sn 248.8 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 0.305 N/mm Spring rate F0 6.221 N initial tension Fntol 4.11 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 44.08 g weight of one spring Price group ZJ - price group Technical drawing Extension Spring Datasheet Extension Spring Z-121BI Spring steel Ø 1.6 x 17.6 x 111 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-121BI Spring steel Ø 1.6 x 17.6 x 111 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-121BI Spring steel Ø 1.6 x 17.6 x 111 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-121BI Spring steel Ø 1.6 x 17.6 x 111 mm / 180° force-path-calculation Extension Spring Z-121BI Inquiry formular Extension Spring Z-121BI Spring steel Ø 1.6 x 17.6 x 111 mm / 180° Inquiry formular Extension Spring Z-121BI Similar extension springs to Extension Spring Z-121BI Spring steel Ø 1.6 x 17.6 x 111 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-121BI EN 10270-1 1.6 17.6 111 82.12 359.8 248.8 0.305 100.0 | 100.0 | 100.0 | 100.0 RZ-121BI 1.4310 1.6 17.6 111 69.37 357.01 246.01 0.262 92.4 | 100.0 | 91.7 | 85.4 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-115F-14I 20 114.5 0.102 EN 10270-1 49.5 576.26 461.76 60.1 | 90.8 | 57.1 | 32.5 Z-103AI 17.2 91.9 0.117 EN 10270-1 42.35 430.18 338.28 62.2 | 86.2 | 62.6 | 37.9 Z-115V-16I 20 121 0.132 EN 10270-1 60.54 547.95 426.95 66.7 | 91.2 | 66.0 | 43.0 Z-115V-15I 20 109 0.152 EN 10270-1 60.54 480.42 371.42 71.0 | 93.3 | 70.4 | 49.4 Z-121DI 17.6 136 0.235 EN 10270-1 82.12 459.6 323.6 86.4 | 93.9 | 88.4 | 76.9 Z-115LI 15 105 0.261 EN 10270-1 66.08 336.91 231.91 87.4 | 89.1 | 86.8 | 86.3 Z-121CI 17.6 123 0.269 EN 10270-1 82.12 404.7 281.7 93.1 | 96.7 | 94.2 | 88.3 Z-121BI 17.6 111 0.305 EN 10270-1 82.12 359.8 248.8 100.0 | 100.0 | 100.0 | 100.0 Z-115V-26I 15 113.5 0.341 EN 10270-1 79.83 328.82 215.32 91.1 | 92.3 | 91.9 | 89.0 Z-121AI 17.6 99.8 0.351 EN 10270-1 82.12 316.3 216.5 92.4 | 96.6 | 93.5 | 87.0 Z-115V-25I 15 101.5 0.392 EN 10270-1 79.83 288.81 187.31 84.6 | 90.1 | 86.2 | 77.4 Z-121MI 15.5 120 0.404 EN 10270-1 92.71 331.33 211.33 85.2 | 93.5 | 86.8 | 75.2 Z-121I 17.6 88.6 0.413 EN 10270-1 82.12 272.37 183.77 84.7 | 93.3 | 86.9 | 73.9 Z-121LI 15.5 107.5 0.465 EN 10270-1 92.71 291.11 183.61 80.5 | 95.0 | 81.2 | 65.4 Z-141BI 18 132 0.744 EN 10270-1 149.2 316.83 184.83 64.3 | 87.3 | 64.7 | 40.9 Z-130K-04I 16 109 0.77 EN 10270-1 124.8 258.25 149.25 65.0 | 92.7 | 62.9 | 39.5 Z-141AI 18 118 0.856 EN 10270-1 149.2 278.64 160.64 62.0 | 90.6 | 59.8 | 35.5 Z-141I 18 104 1.007 EN 10270-1 149.2 240.46 136.46 58.5 | 90.5 | 54.9 | 30.2 Z-137AI 18.6 95 1.033 EN 10270-1 144.7 224.6 129.6 56.9 | 86.7 | 54.4 | 29.6 Z-147K-02I 20 112 1.099 EN 10270-1 176.1 258.86 146.86 55.7 | 86.6 | 52.8 | 27.5 Z-141HI 16 121 1.2 EN 10270-1 166.7 247.84 126.84 54.3 | 87.5 | 50.1 | 25.1 Z-140AI 18 87.4 1.263 EN 10270-1 149.2 196.22 108.82 53.0 | 85.5 | 49.4 | 24.1 Z-144AI 14.5 112 1.795 EN 10270-1 182.5 204.42 92.42 48.3 | 87.2 | 41.1 | 16.7 Number of similar metal springs: 22 Customs tariff number: 73202085; Extension Spring Z-121BI Country of origin: DE, German; Extension Spring Z-121BI Product image - Extension Springs Z-121BI QR-Code: Extension Spring Z-121BI