KHK Stock Gears 3013
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260SpurGearsHelicalGearsInternalGearsRacksCP Racks& PinionsMiterGearsBevelGearsScrewGearsWormGear PairBevelGearboxesOtherProductsFinished Bore Spiral Miter GearsModule 1~10MMSA・MMSBSpecificationsPrecision gradeJIS B 1704 : 1978 grade 4Gear teethGleasonPressure angle20°Helix angle35°MaterialSCM415Heat treatment Overall carburizingTooth hardness55~60HRCABCDKEFGHLIJGBTCatalog No.Gear ratioModuleNo. of teethDirectionof spiralShapeBoreHub dia.Pitch dia.Outside dia.Mounting distanceTotal lengthCrown to back lengthHub widthLength of boreAH7BCDEFGHIMMSA1-20RMMSB1-20RMMSA1-20LMMSB1-20L1m120RBT810172021.292013.5310.648.512.2LBT810MMSA1.5-20RMMSB1.5-20RMMSA1.5-20LMMSB1.5-20Lm1.520RBTBK1012253031.92818.4813.9510.516.5LBTBK1012MMSA2-20RMMSB2-20RMMSA2-20LMMSB2-20Lm220RBK1416354042.523522.0916.2612.520LBK1416MMSA2.5-20RMMSB2.5-20RMMSA2.5-20LMMSB2.5-20Lm2.520RBK1820425053.24528.6321.61626LBK1820MMSA3-20RMMSB3-20RMMSA3-20LMMSB3-20Lm320RBK2022526063.995030.7821.991627LBK2022MMSA3.5-20RMMSB3.5-20RMMSA3.5-20LMMSB3.5-20Lm3.520RB42528507074.535532.4522.261429LB42528MMSA4-20RMMSB4-20RMMSA4-20LMMSB4-20Lm420RB42830558084.996539.1327.51735LB42830MMSA5-20RMMSB5-20RMMSA5-20LMMSB5-20Lm520RB4303570100106.257542.9928.131738LB43035MMSA6-20RMMSB6-20RMMSA6-20LMMSB6-20Lm620RB4404580120127.599051.1333.82045LB44045MMSA8-20RMMSA8-20Lm820RLB78080―160―1004529.16―40MMSA10-20RMMSA10-20Lm1020RLB7100100―200―1255836.48―50[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.⑤ Although the dimensions of the keyway are made to the JIS (Js9) tolerance, there may be some deviations due to the effects of heat treatment.⑥ For products having a tapped hole (Except for B7-shaped products), a tapping screw is attached as an accessory.

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