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a minimum-sized bearing that is consistent with reported current practice is desired for a steady load sae 20 oil is to
consult the dodge bearing catalog and find a spherical bearing for a take-up frame at
a 100-hp spur gear reducer is shown in figure 1528 of sample problem 155d if the efficiency of the spur gear reducer is
a no 312 radial-contact ball bearing is loaded uniformly without shock as follows 55 percent of the time 7 kn and 1800
a no 204 radial-contact ball bearing is used in an application considered to be lightto-moderate with respect to shock
a no 204 radial-contact ball bearing carries a combined load of 200 lb radially and 150 lb axially at 1200 rpm the
a gear speed reducer with a 10 to 1 speed reduction ratio has an output torque of 50 lb middot in at an output speed of
a 20-tooth spur gear with a diametral pitch of 6 meshes with a 55-tooth gear determine the value of the standard center
two gears in a 31 ratio gear set and with a diametral pitch of 4 are mounted at a center distance of 6 in find the
a 24-tooth pinion has a module of 2 mm rotates 2400 rpm and drives an 800-rpm gear determine the number of teeth on the
the diametral pitch of a pair of standard 20deg full-depth spur gears is 4 the pinion has 24 teeth and rotates
a pair of involute gears have base circle diameters of 60 and 120 mma if the center distance is 120 mm what is the
for a gear having an outside diameter of 3000 in full-depth involute gear teeth with a diametral pitch of 20 and a
an 18-tooth pinion having a 20deg pressure angle meshes with a 36-tooth gear the center distance is 10 in the pinion
a 17-tooth pinion meshes with an 84-tooth gear the full-depth involute gear teeth have a 20deg pressure angle and a
a pair of mating spur gears with 6-mm modules and 035-rad pressure angles have 30 and 60 teetha make a full-size
a pair of standard 20deg spur gears with 10-in center distance has a velocity ratio of 40 the pinion has 20 teetha
same as problem 1523 except that the pinion has 21 teeth and the gear has 62 teethproblem 1523figure p1523 shows a
the 18-tooth pinion in figure p1525 is driven 800 rpm by a motor that delivers 20 lb in of torque the gears provide a
an 18-tooth pinion with a diametral pitch of 6 rotates 1800 rpm and drives a 36-tooth gear at 900 rpm in a gear speed
figure p1528 shows a machine being gear-driven by a motor use of the idler gear causes the input and output shafts to
figure p1529 shows an electric motor driving a machine by means of three straight tooth spur gears having 16 32 and 24
to what value could the gear hardness be reduced in problem 1531 without making the gear teeth weaker than the pinion
for the gears in problem 1534 estimate the horsepower that can be transmitted for 109 cycles with 90 reliability based
figure p1549 shows a planetary train with double planets two suns and no ring gear planets p1 and p2 are made together