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Extension Spring Z-157I Spring steel Ø 2.5 x 18.5 x 54.1 mm / 180° Scaled prices - Extension Spring Z-157I Quantity Single price [EUR] 1 6.2300 EUR 2 3.9200 EUR 3 2.5300 EUR 7 2.1100 EUR 17 1.0500 EUR 37 0.6800 EUR 75 0.5300 EUR 125 0.5300 EUR 175 0.5300 EUR 250 0.5300 EUR 350 0.5300 EUR 450 0.5300 EUR Extension Spring Buy Product image Extension Spring Z-157I Quantity:Quantity: Add to shopping cart Technical Data - Extension Spring Z-157I 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 2.5 mm Wire diameter D mm mean coil diameter De 18.5 mm outer coil diameter Dh 22.6 mm minimum bush diameter L0 54.1 mm length of unstressed spring, measured from inner edge of loop to inner edge of loop Lk 31.25 mm length of unstressed spring body Ln 83.22 mm maximum spring length, inner loop to inner loop sn 29.12 mm Maximum spring deflection Fn 268.6 N Maximum spring force n pc. Number of aktive coils nt pc. total number of coils Lh 11.42 mm distance of inner edge of loop from the spring body R 8.448 N/mm Spring rate F0 22.61 N initial tension Fntol 21.16 N (+/-) tolerance of maximum spring force L0tol 1.1 mm (+/-) tolerance of unstressed length Detol 0.3 mm (+/-) tolerance of outer coil diameter Oesttol 19 degree (+/-) tolerance of loop position Weight 25.85 g weight of one spring Price group #ZG - price group Technical drawing Extension Spring Datasheet Extension Spring Z-157I Spring steel Ø 2.5 x 18.5 x 54.1 mm / 180° Datasheet download pdf file Metal spring characteristic Extension Spring Z-157I Spring steel Ø 2.5 x 18.5 x 54.1 mm / 180° Metal spring characteristic download pdf file CAD data Extension Spring Z-157I Spring steel Ø 2.5 x 18.5 x 54.1 mm / 180° CAD models download: step, stl, iges ... force-path-calculation Extension Spring Z-157I Spring steel Ø 2.5 x 18.5 x 54.1 mm / 180° force-path-calculation Extension Spring Z-157I Inquiry formular Extension Spring Z-157I Spring steel Ø 2.5 x 18.5 x 54.1 mm / 180° Inquiry formular Extension Spring Z-157I Similar extension springs to Extension Spring Z-157I Spring steel Ø 2.5 x 18.5 x 54.1 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-157I EN 10270-1 2.5 18.5 54.1 268.6 83.22 29.12 8.448 100.0 | 100.0 | 100.0 | 100.0 RZ-157I 1.4310 2.5 18.5 54.1 223.4 82.41 28.31 7.256 91.9 | 100.0 | 90.2 | 85.6 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-134I 22 54.8 1.772 EN 10270-1 123.3 119.4 64.6 51.3 | 87.6 | 45.5 | 20.7 Z-137I 18.6 65 1.827 EN 10270-1 144.7 138.29 73.29 51.9 | 87.6 | 46.8 | 21.4 Z-130FI 20 46 1.867 EN 10270-1 100.9 96.37 50.37 50.9 | 83.2 | 47.7 | 21.7 Z-140I 18 64.4 2.041 EN 10270-1 149.2 131.77 67.37 53.5 | 87.1 | 49.4 | 24.0 Z-130K-20I 16 45 2.99 EN 10270-1 124.8 83.46 38.46 58.9 | 80.6 | 61.1 | 35.2 Z-136E-10I 18.6 49 3.099 EN 10270-1 144.7 92.21 43.21 62.3 | 90.0 | 60.6 | 36.3 Z-139I 18 48.4 3.46 EN 10270-1 149.2 88.13 39.73 64.7 | 88.9 | 64.4 | 40.7 Z-141FI 16 53 3.832 EN 10270-1 166.7 92.72 39.72 67.1 | 88.2 | 67.7 | 45.5 Z-147K-20I 20 51.5 4.03 EN 10270-1 176.1 91.5 40 69.6 | 91.9 | 69.2 | 47.7 Z-143I 14.5 58.8 4.28 EN 10270-1 182.5 97.56 38.76 68.7 | 83.5 | 71.5 | 51.0 Z-156FI 20 63.5 5.121 EN 10270-1 249.9 108.37 44.87 77.3 | 92.6 | 79.0 | 60.4 Z-157AI 18.5 62 6.7 EN 10270-1 268.6 98.72 36.72 88.2 | 95.8 | 89.7 | 79.3 Z-147MI 15 54.4 7.342 EN 10270-1 229.9 82.89 28.49 89.6 | 89.5 | 91.7 | 87.5 Z-156E-10I 20 51 7.82 EN 10270-1 249.9 80.4 29.4 94.6 | 95.6 | 96.0 | 92.2 Z-157I 18.5 54.1 8.448 EN 10270-1 268.6 83.22 29.12 100.0 | 100.0 | 100.0 | 100.0 Z-162LI 20 53.8 12.954 EN 10270-1 341.5 78.04 24.24 80.1 | 93.7 | 80.9 | 65.5 Z-160I 15 48.5 17.717 EN 10270-1 324.5 65.16 16.66 69.2 | 90.2 | 70.0 | 47.4 Z-162U-38I 18 60.5 19.56 EN 10270-1 452.6 81.4 20.9 66.1 | 90.0 | 65.6 | 42.6 Z-175I 19.2 62 22.678 EN 10270-1 510 82.48 20.48 61.9 | 87.2 | 61.5 | 37.0 Z-177QI 18 56.9 60.321 EN 10270-1 739.6 67.97 11.07 46.1 | 87.3 | 37.2 | 13.8 Number of similar metal springs: 19 Customs tariff number: 73202085; Extension Spring Z-157I Country of origin: DE, German; Extension Spring Z-157I Product image - Extension Springs Z-157I QR-Code: Extension Spring Z-157I