COUPLINGS

2Technical DataDimensions and Tolerances of Parallel Keysand Keywaysb1b2t1r1t2bdhc or rd JIS (Excerpts from JIS B 1301-1996)Cross sectionof shaftCross sectionof boreCross sectionof keyUnit [mm]Nominalkeydimensionb×hApplicableshaftdiameterdbBasic Tolerancedimension (h9)Key dimensionBasicdimensionhTolerancec or rKeyway dimensionBasic Locking type Normal type r1dimensionof b1 Tolerance of b1 Tolerance b1 Tolerance andand b2 b1 and b2 (P9) (N9) (Js9) r22 −0.006 −0.004±0.0125 0.08−0.031 −0.029to40.16−0.012 05 ±0.0150−0.042 −0.0300.16to8 0.25−0.015 0±0.018010 −0.051 −0.0360.25−0.018 0to±0.0215−0.061 −0.0430.40t1t2Basicdimension Tolerance BasicdimensionTolerance1.21.02× 2 6 to 8 2 02 00.163× 3 8 to 10 3 −0.025 3 −0.025to 3 1.8 1.4h9 0.25+ 0.14× 4 10 to 12 442.5 1.80005× 5 12 to 17 5 5−0.030−0.030 0.253.0 2.36× 6 17 to 22 6 6 to 6 3.5 2.88× 7 22 to 30 8 0.40074.03.310× 8 30 to 38 10 −0.036 85.0 3.3012× 8 38 to 44 128−0.090 0.40 125.0 3.314× 9 44 to 50 14 09 to 14 5.5 3.816×10 50 to 58 16 −0.043 10 0.60 16 6.0 4.318×11 58 to 65 18 1118 7.0 + 0.2 4.4h1120×12 65 to 75 2012207.5 0 4.922×14 75 to 85 22 0 14 22 −0.022 09.0 5.4−0.05200.60±0.026025×14 85 to 95 25 14 25 −0.074 −0.0520.40 9.0 5.4−0.110toto28×16 95 to 110 28 16 0.80 28 0.60 10.0 6.40−0.026 032×18 110 to 130 3218 32±0.0310 11.0 7.4−0.062−0.088 −0.062+ 0.10+ 0.20 Previous JIS First Class (Excerpts from JIS B 1301-1959)Unit [mm]NominalApplicableKey dimensionKeyway dimensionkeyshaftbhBasic b1 b2 r1t1t2dimensiondiameterdimensionof b1Basic Tolerance Basic Tolerance c or rb×hdTolerance Tolerance and BasicBasicdimension (p7) dimension (h9)and b2 (H8) (F7) r2ToleranceTolerancedimensiondimension4× 4 10 or more, 13 or less 4 + 0.024 4 04 + 0.018 + 0.0222.51.55× 5 Over 13, 20 or less 5 + 0.012 5 −0.030 0.5 5 0 + 0.010 0.4 3 27× 7 Over 20, 30 or less 7 + 0.030 77 + 0.022 + 0.0284 310× 8 Over 30, 40 or less 10 + 0.015 8 010 0 + 0.0134.5 3.512× 8 Over 40, 50 or less 128 −0.036 0.8 120.6 4.5 3.5+ 0.036+ 0.027 + 0.03415×10 Over 50, 60 or less 15 10 15 5+ 0.0180 + 0.016+ 0.05 5 + 0.0518×12 Over 60, 70 or less 18 12186 0 6 020×13 Over 70, 80 or less 2013 0207 6+ 0.0431.21.0−0.043+ 0.033 + 0.04124×16 Over 80, 95 or less 24 16 24 8 8+ 0.0220 + 0.02028×18 Over 95, 110 or less 28 18 28 9 932×20 Over 110, 125 or less 32+ 0.051+ 0.026200−0.0522 32+ 0.0390+ 0.050+ 0.0251.6 10 10 Previous JIS Second Class (Excerpts from JIS B 1301-1959)Unit [mm]NominalApplicableKey dimensionKeyway dimensionkeyshaftb h c Basic b1 b2 r1t1t2dimensiondiameterdimensionof b1Basic Tolerance Basic Tolerance orb×hdTolerance Tolerance and BasicBasicdimension (h8) dimension (h10) r and b2 (H9) (E) r2ToleranceTolerancedimensiondimension4× 4 10 or more, 13 or less 4 04 04 + 0.030 + 0.0502.51.55× 5 Over 13, 20 or less 5 −0.018 5 −0.048 0.5 5 0 + 0.020 0.4 3 27× 7 Over 20, 30 or less 7 077 + 0.036 + 0.0614 310× 8 Over 30, 40 or less 10 −0.022 8 010 0 + 0.0254.5 3.512× 8 Over 40, 50 or less 128 −0.058 0.8 120.6 4.5 3.50+ 0.043 + 0.07515×10 Over 50, 60 or less 15 10 15−0.02705+ 0.032+ 0.1 5 + 0.118×12 Over 60, 70 or less 18 12186 0 6 020×13 Over 70, 80 or less 2013 0207 601.21.0−0.070+ 0.052 + 0.09224×16 Over 80, 95 or less 24 16 24−0.03308 8+ 0.04028×18 Over 95, 110 or less 28 18 28 9 932×20 Over 110, 125 or less 320−0.039200−0.0842 32+ 0.0620+ 0.112+ 0.0501.6 10 10TechnicaldataAtención al Cliente - 902 208 60899