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Extension Spring Z-121EX Spring steel Ø 1.6 x 17.6 x 149 mm / 270° Scaled prices - Extension Spring Z-121EX Quantity Single price [EUR] 1 6.7100 EUR 2 4.2300 EUR 3 3.0800 EUR 7 2.6300 EUR 17 1.3800 EUR 37 1.0500 EUR 75 0.8600 EUR 125 0.7979 EUR 175 0.7848 EUR 250 0.7607 EUR 350 0.7408 EUR 450 0.6532 EUR Extension Spring Buy Product image Extension Spring Z-121EX Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-121EX 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 270 ° 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 149 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 126 mm length of unstressed spring body Ln 510.42 mm maximum spring length, inner loop to inner loop sn 361.42 mm Maximum spring deflection Fn 82.12 N Maximum spring force n pc. Number of aktive coils nt pc. total number of coils Lh 11.5 mm distance of inner edge of loop from the spring body R 0.21 N/mm Spring rate F0 6.221 N initial tension Fntol 3.99 N (+/-) tolerance of maximum spring force L0tol 2.4 mm (+/-) tolerance of unstressed length Detol 0.35 mm (+/-) tolerance of outer coil diameter Oesttol 57 degree (+/-) tolerance of loop position Weight 63.34 g weight of one spring Price group ZL - price group Technical drawing Extension Spring Datasheet Extension Spring Z-121EX Spring steel Ø 1.6 x 17.6 x 149 mm / 270° Datasheet download pdf file Metal spring characteristic Extension Spring Z-121EX Spring steel Ø 1.6 x 17.6 x 149 mm / 270° Metal spring characteristic download pdf file CAD data Extension Spring Z-121EX Spring steel Ø 1.6 x 17.6 x 149 mm / 270° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-121EX Spring steel Ø 1.6 x 17.6 x 149 mm / 270° force-path-calculation Extension Spring Z-121EX Inquiry formular Extension Spring Z-121EX Spring steel Ø 1.6 x 17.6 x 149 mm / 270° Inquiry formular Extension Spring Z-121EX Similar extension springs to Extension Spring Z-121EX Spring steel Ø 1.6 x 17.6 x 149 mm / 270° 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-121EX EN 10270-1 1.6 17.6 149 82.12 510.42 361.42 0.21 100.0 | 100.0 | 100.0 | 100.0 RZ-121EX 1.4310 1.6 17.6 149 69.37 506.53 357.53 0.18 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-121EX 17.6 149 0.21 EN 10270-1 82.12 510.42 361.42 100.0 | 100.0 | 100.0 | 100.0 Z-121DX 17.6 136 0.234 EN 10270-1 82.12 460.35 324.35 93.9 | 97.1 | 94.9 | 89.7 Z-121CX 17.6 123 0.268 EN 10270-1 82.12 405.9 282.9 87.2 | 94.2 | 89.1 | 78.3 Z-130K-01X 20 145 0.274 EN 10270-1 100.9 488.33 343.33 85.6 | 91.4 | 88.2 | 77.3 Z-130KX 20 136 0.297 EN 10270-1 100.9 452.82 316.82 81.8 | 89.4 | 84.5 | 71.3 Z-121NX 15.5 133 0.356 EN 10270-1 92.71 372.82 239.82 76.2 | 92.4 | 77.5 | 58.8 Z-130K-06X 16 159 0.493 EN 10270-1 124.8 392.11 233.11 66.3 | 91.2 | 65.1 | 42.4 Z-141EX 18 180 0.512 EN 10270-1 149.2 448.6 268.6 64.1 | 86.9 | 64.7 | 40.9 Z-138AX 18.6 160 0.534 EN 10270-1 144.7 410.87 250.87 63.9 | 89.2 | 63.1 | 39.4 Z-141DX 18 164 0.571 EN 10270-1 149.2 404.96 240.96 62.4 | 89.5 | 60.9 | 36.7 Z-138X 18.6 147 0.587 EN 10270-1 144.7 375.32 228.32 62.3 | 91.1 | 60.0 | 35.9 Z-130K-05X 16 134 0.605 EN 10270-1 124.8 324.03 190.03 61.2 | 89.9 | 59.2 | 34.6 Z-141CX 18 148 0.644 EN 10270-1 149.2 361.33 213.33 60.6 | 92.4 | 57.0 | 32.5 Z-147K-04X 20 156 0.72 EN 10270-1 176.1 380.1 224.1 56.2 | 85.4 | 54.3 | 28.9 Z-141BX 18 132 0.74 EN 10270-1 149.2 317.69 185.69 56.8 | 88.8 | 53.2 | 28.3 Z-141AX 18 118 0.851 EN 10270-1 149.2 279.51 161.51 53.4 | 85.7 | 49.9 | 24.6 Number of similar metal springs: 15 Customs tariff number: 73202085; Extension Spring Z-121EX Country of origin: DE, German; Extension Spring Z-121EX Product image - Extension Springs Z-121EX QR-Code: Extension Spring Z-121EX