18 123-series keyless lockin g assemblies - inch k e y l e s s l o c k i n g a s s e m b l i e s m e d i u m -h i g h t o r q u e 123-s e r i e s economical - quick installation - compact size 123-series ms axial length screw torque load shaft hub weight id id od length incl.cap screw seating (max.) (max.) pressure pressure (approx.) d d d l1 l2 l3 b size torque mt fax ps ph climax part # inch inch inch inch inch inch inch n x type lb-ft lb-ft lbf psi psi lb c 123 e-075 3/4 0.7500 1.850 0.669 0.866 1.102 1.339 5 x m6 10 262 8442 44612 18082 1 c 123 e-087 7/8 0.8750 1.850 0.669 0.866 1.102 1.339 5 x m6 10 305 8442 38239 18082 1 c 123 e-100 1 1.0000 1.969 0.669 0.866 1.102 1.339 6 x m6 10 418 10131 40151 20397 1 c 123 e-112 1 1/8 1.1250 2.165 0.669 0.866 1.102 1.339 6 x m6 10 471 10131 35690 18543 1 c 123 e-118 1 3/16 1.1875 2.165 0.669 0.866 1.102 1.339 6 x m6 10 496 10131 33812 18543 1 c 123 e-125 1 1/4 1.2500 2.362 0.669 0.866 1.102 1.339 8 x m6 10 696 13507 42828 22663 1 c 123 e-137 1 3/8 1.3750 2.362 0.669 0.866 1.102 1.339 8 x m6 10 767 13507 38935 22663 1 c 123 e-143 1 7/16 1.4375 2.559 0.669 0.866 1.102 1.339 8 x m6 10 801 13507 37242 20920 1 c 123 e-150 1 1/2 1.5000 2.559 0.669 0.866 1.102 1.339 8 x m6 10 836 13507 35690 20920 1 c 123 e-162 1 5/8 1.6250 2.953 0.787 0.984 1.299 1.614 7 x m8 26 1518 22637 46929 25827 2 c 123 e-168 1 11/16 1.6875 2.953 0.787 0.984 1.299 1.614 7 x m8 26 1577 22637 45191 25827 2 c 123 e-175 1 3/4 1.7500 2.953 0.787 0.984 1.299 1.614 7 x m8 26 1635 22637 43577 25827 2 c 123 e-187 1 7/8 1.8750 3.150 0.787 0.984 1.299 1.614 7 x m8 26 1752 22637 40672 24213 2 c 123 e-193 1 15/16 1.9375 3.150 0.787 0.984 1.299 1.614 7 x m8 26 1809 22637 39360 24213 2 c 123 e-200 2 2.0000 3.150 0.787 0.984 1.299 1.614 7 x m8 26 1868 22637 38130 24213 2 c 123 e-212 2 1/8 2.1250 3.346 0.787 0.984 1.299 1.614 8 x m8 26 2269 25871 41014 26044 2 c 123 e-218 2 3/16 2.1875 3.346 0.787 0.984 1.299 1.614 8 x m8 26 2335 25871 39842 26044 2 c 123 e-225 2 1/4 2.2500 3.543 0.787 0.984 1.299 1.614 8 x m8 26 2401 25871 38735 24597 2 c 123 e-237 2 3/8 2.3750 3.543 0.787 0.984 1.299 1.614 8 x m8 26 2927 25871 36697 24897 2 c 123 e-243 2 7/16 2.4375 3.740 0.787 0.984 1.299 1.614 9 x m8 26 2927 29104 40225 26215 2 c 123 e-250 2 1/2 2.5000 3.740 0.787 0.984 1.299 1.614 9 x m8 26 3002 29104 39219 26215 2 c 123 e-256 2 9/16 2.5625 3.740 0.787 0.984 1.299 1.614 9 x m8 26 3076 29104 38263 26215 2 c 123 e-268 2 11/16 2.6875 4.331 0.945 1.181 1.575 1.969 8 x m10 52 4499 40583 42393 26308 4 c 123 e-275 2 3/4 2.7500 4.331 0.945 1.181 1.575 1.969 8 x m10 52 4604 40583 41430 26308 4 c 123 e-287 2 7/8 2.8750 4.528 0.945 1.181 1.575 1.969 8 x m10 52 4814 40583 39628 25164 4 c 123 e-293 2 15/16 2.9375 4.528 0.945 1.181 1.575 1.969 8 x m10 52 4918 40583 38785 25164 4 c 123 e-300 3 3.0000 4.724 0.945 1.181 1.575 1.969 8 x m10 52 5023 40583 37977 24115 4 c 123 e-325 3 1/4 3.2500 4.921 0.945 1.181 1.575 1.969 9 x m10 52 6122 45656 39438 26045 4 c 123 e-337 3 3/8 3.3750 4.921 0.945 1.181 1.575 1.969 9 x m10 52 6356 45656 37977 26045 4 c 123 e-343 3 7/16 3.4375 5.118 0.945 1.181 1.575 1.969 9 x m10 52 6474 45656 37287 25043 5 c 123 e-350 3 1/2 3.5000 5.118 0.945 1.181 1.575 1.969 9 x m10 52 6592 45656 36621 25043 5 c 123 e-375 3 3/4 3.7500 5.315 0.945 1.181 1.575 1.969 10 x m10 52 7847 50728 37977 26795 5 c 123 e-393 3 15/16 3.9375 5.709 1.024 1.260 1.732 2.205 8 x m12 92 9810 60398 39750 27417 6 c 123 e-400 4 4.0000 5.709 1.024 1.260 1.732 2.205 8 x m12 92 9966 60398 39129 27417 6 123 inch note: stocked sizes available through 8 diameter. it is possible to reduce the screws tightening torque down to 60% of the values indicated in the above table; as a result the mt, fax, ps, ph are reduced proportionally. climax metal products company ? www.climaxmetal.com ? phone: 800-542-6552 ? fax: 800-860-5553
123-series keyless lockin g assemblies - metric tolerances, surface finish a good machined surface finish is sufficient. maximum allowable surface finish: rt max 16 m (ra 3 m - rz 13 m) maximum permissible tolerances: h8 for shaft (?d) h8 for hub (?d ) for exact tolerance values and dm hub calcula - tion see page 30. installation carefully clean the hub and shaft contact surfaces and apply a thin film of lightweight oil. slide the locking assembly into the hub bore, insert the shaft and tighten gradually and regularly in crossed sequence all screws to reach the tightening torque ms as indicated in the rating table. the values mt and fax indicated in the rating table are valid only in case of oil installation. do not use any oil with molibdenum bisulphide, high pressure additives or grease. above substances notably reduce the coefficient of friction. dismantling loosen the clamping screws. insert the screws into the dismantling threading and tighten gradually and regularly in crossed sequence until the back cone is released. if the element is to be reused, relubricate both screws and threads. axial movement 123-series: during tightening of mounting screws the hub has a slight axial movement with respect to the shaft. 19 common applications ? timing pulleys, sprockets, sheaves, conveyor pulleys ? gears-spur, helical, worm wheel, bevel, spiral bevel, pinion, bull ? cams, levers, flywheels, agitator shafts, speed reducers ? motors - ac, dc, hydraulic ? clutches & brakes ? flange couplings ms axial length screw torque load shaft hub weight id id od length incl.cap screw seating (max.) (max.) pressure pressure (approx.) d x d d d l1 l2 l3 b size torque mt fax ps ph climax part # mm inch inch inch inch inch inch n x type lb-ft lb-ft lbf psi psi lb c 123 m-20x47 20 x 47 0.787 1.850 0.669 0.866 1.102 1.339 5 x m6 10 280 8543 42786 18130 0.7 c 123 m-22x47 22 x 47 0.866 1.850 0.669 0.866 1.102 1.339 5 x m6 10 302 8543 39160 18130 0.7 c 123 m-24x50 24 x 50 0.945 1.969 0.669 0.866 1.102 1.339 5 x m6 10 332 8543 35534 17405 0.7 c 123 m-25x50 25 x 50 0.984 1.969 0.669 0.866 1.102 1.339 6 x m6 10 420 10341 41336 20305 0.7 c 123 m-28x55 28 x 55 1.102 2.165 0.669 0.866 1.102 1.339 6 x m6 10 465 10341 36985 18855 0.9 c 123 m-30x55 30 x 55 1.181 2.165 0.669 0.866 1.102 1.339 6 x m6 10 487 10341 34084 18855 0.9 c 123 m-32x60 32 x 60 1.260 2.362 0.669 0.866 1.102 1.339 8 x m6 10 715 13489 42786 22481 0.9 c 123 m-35x60 35 x 60 1.378 2.362 0.669 0.866 1.102 1.339 8 x m6 10 782 13489 39160 22481 0.9 c 123 m-38x65 38 x 65 1.496 2.559 0.669 0.866 1.102 1.339 8 x m6 10 848 13489 36259 21030 0.9 c 123 m-40x65 40 x 65 1.575 2.559 0.669 0.866 1.102 1.339 8 x m6 10 892 13489 34084 21030 0.9 c 123 m-42x75 42 x 75 1.654 2.953 0.787 0.984 1.299 1.614 7 x m8 26 1512 22031 43511 24656 2 c 123 m-45x75 45 x 75 1.772 2.953 0.787 0.984 1.299 1.614 7 x m8 26 1623 22031 42061 24656 2 c 123 m-48x80 48 x 80 1.890 3.150 0.787 0.984 1.299 1.614 7 x m8 26 1733 22031 39160 23206 2 c 123 m-50x80 50 x 80 1.969 3.150 0.787 0.984 1.299 1.614 7 x m8 26 1807 22031 37710 23206 2 c 123 m-55x85 55 x 85 2.165 3.346 0.787 0.984 1.299 1.614 8 x m8 26 2272 25179 39160 25382 2 c 123 m-60x90 60 x 90 2.362 3.543 0.787 0.984 1.299 1.614 8 x m8 26 2478 25179 35534 23931 2 c 123 m-65x95 65 x 95 2.559 3.740 0.787 0.984 1.299 1.614 9 x m8 26 3017 28326 36985 25382 2 c 123 m-70x110 70 x 110 2.756 4.331 0.945 1.181 1.575 1.969 8 x m10 52 4647 40241 40611 26107 4 c 123 m-75x115 75 x 115 2.953 4.528 0.945 1.181 1.575 1.969 8 x m10 52 4942 40241 37710 24656 4 c 123 m-80x120 80 x 120 3.150 4.724 0.945 1.181 1.575 1.969 8 x m10 52 5274 40241 36259 24656 4 c 123 m-85x125 85 x 125 3.346 4.921 0.945 1.181 1.575 1.969 9 x m10 52 6269 44962 37710 26107 4 c 123 m-90x130 90 x 130 3.543 5.118 0.945 1.181 1.575 1.969 9 x m10 52 6712 44962 36259 24656 5 c 123 m-95x135 95 x 135 3.740 5.315 0.945 1.181 1.575 1.969 10 x m10 52 7818 50357 37710 26107 5 123 metric note: stocked sizes available through 8 diameter. it is possible to reduce the screws tightening torque down to 60% of the values indicated in the above table; as a result the mt, fax, ps, ph are reduced proportionally. k e y l e s s l o c k i n g a s s e m b l i e s m e d i u m -h i g h t o r q u e 123-s e r i e s e - q i - c s climax metal products company ? www.climaxmetal.com ? phone: 800-542-6552 ? fax: 800-860-5553
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