KHK Stock Gears 3013
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256SpurGearsHelicalGearsInternalGearsRacksCP Racks& PinionsMiterGearsBevelGearsScrewGearsWormGear PairBevelGearboxesOtherProductsGround Spiral Miter GearsModule 2~4MMSGIABCDKJHGFEGGB3SpecificationsPrecision gradeJIS B 1704 : 1978 grade 1Gear teethGleasonPressure angle20°Helix angle35°MaterialSCM415Heat treatment CarburizingTooth hardness55~60HRCGear ratio1Screw offset (L)Half of hub width (H)HIJKAllowable torque (N·m)Allowable torque (kgf·m)Backlash(mm)Weight(kg)Bending strengthSurface durabilityBending strengthSurface durability12.520924.5417.023.51.732.400.04~0.100.1416261130.8932.746.13.334.700.05~0.110.2716271434.458.5 83.75.978.540.06~0.120.4314291642.7591.81339.3613.60.07~0.130.5117351849.08136 19913.820.30.09~0.150.8011211130.8927.5 47.02.804.790.04~0.100.2114261437.454.394.55.549.640.05~0.110.3717311743.9294.5 1679.6417.00.06~0.120.6519372052.43151270 15.427.50.07~0.131.0422422358.95216 39222.140.00.09~0.151.5715261238.0638.5 78.63.938.020.04~0.100.3616301547.5775.31567.6816.00.05~0.110.6618362055.43139 29414.230.00.06~0.121.1120402267.77204 43620.844.50.07~0.131.7522442577.2930365730.967.00.09~0.152.49Catalog No.No. ofteethShapeAH7BCDEFGMMSG2-20RMMSG2-20L20B312354042.73521.9816.35MMSG2.5-20RMMSG2.5-20L14425053.24528.6321.6MMSG3-20RMMSG3-20L16526063.995030.7821.99MMSG3.5-20RMMSG3.5-20LB420507074.535532.4522.26MMSG4-20RMMSG4-20L20558084.996539.1327.5MMSG2-25RMMSG2-25L2512385052.54023.4316.25MMSG2.5-25RMMSG2.5-25L164562.565.545029.5720.27MMSG3-25RMMSG3-25L20557578.786035.624.39MMSG3.5-25RMMSG3.5-25L256587.591.817041.6528.41MMSG4-25RMMSG4-25L2875100104.78047.832.35MMSG2-30RMMSG2-30L3014456062.425029.2721.21MMSG2.5-30RMMSG2.5-30L16557578.046034.0824.02MMSG3-30RMMSG3-30L20659093.617040.2526.8MMSG3.5-30RMMSG3.5-30L2580105109.218044.429.6MMSG4-30RMMSG4-30L2890120124.79049.2732.35[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 In the illustration, the area surrounded with line is masked during the carburization process and can be modified. However, care should be exercised since the hardness is high (approx. HRC40, maximum). *For products not categorized in our KHK Stock Gear series, custom gear pro-duction services with short lead times is available. For details see page 8.AH7BoreBHub dia.CPitch dia.DOutside dia.EMounting distanceFTotal lengthGCrown to back HHub widthILength of boreJFace widthKHolding surface dia.*The precision grade of J Series products is equiv-alent to the value shown in the table.

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