KHK Stock Gears 3013
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258SpurGearsHelicalGearsInternalGearsRacksCP Racks& PinionsMiterGearsBevelGearsScrewGearsWormGear PairBevelGearboxesOtherProductsGround Spiral Miter GearsModule 1~5SMSGIABCDKJHGFEGGB3[Caution on Product Characteristics]① A sets of miter gears must be identical in module and number of teeth, but opposite in spiral hands.② The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see page 253 for more details.③ Dimensions of the outside diameter, the overall length and crown to back length are all theoretical values, and some dif-ferences will occur due to the corner chamfering of the gear tips.④ These gears produce axial thrust forces. See page 254 for more details.[Caution on Secondary Operations]① Please read “Caution on Performing Secondary Operations” (Page 254) when performing modification and/or secondary operations for safety concerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available.② Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth areas including the bottom land (approx. 1 to 2 mm).Standardized ground spiral miter gears available in Module 1! AH7BoreBHub dia.CPitch dia.DOutside dia.EMounting distanceFTotal lengthGCrown to back HHub widthILength of boreJFace widthKHolding surface dia.SpecificationsPrecision gradeJIS B 1704 : 1978 grade 2Gear teethGleasonPressure angle20°Helix angle35°MaterialS45CHeat treatment Teeth induction hardenedTooth hardness50~60HRCGear ratio1Screw offset (L)Half of hub width (H)*The precision grade of J Series products is equiv-alent to the value shown in the table.Catalog No.No. ofteethShapeAH7BCDEFGHIJKAllowable torque (N·m)Allowable torque (kgf·m)Backlash(mm)Weight(kg)Bending strengthSurface durabilityBending strengthSurface durabilitySMSG1-20RSMSG1-20L20B36162021.302013.8410.6581259.861.170.970.120.0990.02~0.080.019SMSG1.5-20RSMSG1.5-20L8263031.74 3021.1815.871319815.374.103.470.420.350.04~0.100.074SMSG2-20RSMSG2-20L12344042.43724.7518.214221021.727.83 6.79 0.80 0.69 0.05~0.110.15SMSG2.5-20RSMSG2.5-20L14425052.944832.4224.4719291228.0614.9 13.2 1.52 1.35 0.06~0.120.30SMSG3-20RSMSG3-20L16506063.725839.629.8623351531.5726.4 23.7 2.69 2.42 0.07~0.130.52SMSG3.5-20RSMSG3.5-20L20607074.476543.8132.2325401839.0942.6 38.8 4.35 3.96 0.08~0.140.82SMSG4-20RSMSG4-20L20648084.887550.5137.4427452043.4362.6 57.8 6.39 5.90 0.10~0.161.15SMSG5-20RSMSG5-20L2580100105.99060.1642.9530542654.46115 109 11.8 11.1 0.12~0.182.13SMSG1-25RSMSG1-25L256202526.222315.0811.11814615.031.88 1.91 0.19 0.19 0.02~0.080.035 SMSG1.5-25RSMSG1.5-25L103037.539.313422.1416.1611.519919.545.29 5.52 0.54 0.56 0.04~0.100.11SMSG2-25RSMSG2-25L12405052.44024.1916.210201226.0612.6 13.5 1.28 1.37 0.05~0.110.21SMSG2.5-25RSMSG2.5-25L165062.565.545030.2420.2712.5261534.5724.5 26.8 2.50 2.74 0.06~0.120.42SMSG3-25RSMSG3-25L20607578.776037.5724.3915322037.4345.0 50.0 4.59 5.10 0.07~0.130.74SMSG3.5-25RSMSG3.5-25L257087.591.817042.9828.4117.5372246.7769.2 78.1 7.05 7.97 0.08~0.141.14SMSG4-25RSMSG4-25L2880100104.78049.1432.3520432555.2995.0 109 9.68 11.1 0.10~0.161.71SMSG5-25RSMSG5-25L28100125130.8610060.5940.4325503065.15181 213 18.5 21.7 0.12~0.183.39SMSG1-30RSMSG1-30L308243031.262817.6113.631016619.032.503.020.250.310.02~0.080.057SMSG1.5-30RSMSG1.5-30L10364546.844328.1121.4216251025.727.539.350.770.950.04~0.100.21SMSG2-30RSMSG2-30L12456062.425029.2721.2112.5251236.0616.7 21.4 1.70 2.18 0.05~0.110.37SMSG2.5-30RSMSG2.5-30L16607578.046236.0826.0217321547.5732.6 42.7 3.32 4.36 0.06~0.120.76SMSG3-30RSMSG3-30L20709093.617545.2531.820402053.4360.3 80.4 6.15 8.20 0.07~0.131.32SMSG3.5-30RSMSG3.5-30L2590105109.218549.434.625452267.7785.1 115 8.68 11.8 0.08~0.142.19SMSG4-30RSMSG4-30L28100120124.719554.2837.3525502579.29127 174 12.9 17.8 0.10~0.163.07SMSG5-30RSMSG5-30L28130150155.9012068.2047.9535623099.1524033224.533.90.12~0.186.44

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