Selected page of Cam Followers
cam follower selection rbc cam followers are presented in five groups needle roller cam followers caged roller followers rbc roller® long life cam followers material handling rollers and sheaves and airframe track rollers and needle bearings rbc also produces a wide range of custom designed cam followers and track rollers designers and users with unusual application requirements should contact rbc to discuss custom designed cam followers with either a standard stud or heavy stud eccentric and crowned versions are also available standard hex head cam followers are available in smaller sizes starting at 1/2 needle roller cam followers needle roller cam followers have a heavy outer ring cross section and a full complement of needle rollers they offer high dynamic and static load carrying capability and anti-friction performance in a compact design they are used as track rollers cam followers and in a wide range of linear motion systems standard stud cam followers page 14 offer the mounti
| rbc roller® long life yoke rollers series rby roller part number rby 1 rby 1 1/8 rby 1 1/4 rby 1 3/8 rby 1 1/2 rby 1 5/8 rby 1 3/4 rby 1 7/8 rby 2 rby 2 1/4 rby 2 1/2 rby 2 3/4 rby 3 rby 3 1/4 rby 3 1/2 rby 4 rby 5 rby 6 rby 7 rby 8 rby 9 rby 10 d 000 .001 1.000 1.125 1.250 1.375 1.500 1.625 1.750 1.875 2.000 2.250 2.500 2.750 3.000 3.250 3.500 4.000 5.000 6.000 7.000 8.000 9.000 10.000 b1 000 .005 .625 .625 .750 .750 .875 .875 1.000 1.000 1.250 1.250 1.500 1.500 1.750 1.750 2.000 2.250 2.750 3.250 3.750 4.250 4.750 5.250 d inside diameter nom 5/16 5/16 3/8 3/8 7/16 7/16 1/2 1/2 5/8 5/8 3/4 3/4 1 1 1 1/8 1 1/4 1 3/4 2 1/4 2 3/4 3 1/4 3 3/4 4 1/4 min .3121 .3121 .3746 .3746 .4371 .4371 .4996 .4996 .6246 .6246 .7496 .7496 .9995 .9995 1.1245 1.2495 1.7495 2.2495 2.7495 3.2550 3.7550 4.2550 max .3127 .3127 .3752 .3752 .4377 .4377 .5002 .5002 .6252 .6252 .7502 .7502 1.0001 1.0001 1.1251 1.2501 1.7501 2.2501 2.7501 3.2560 3.7560 4.2560 b overall width 005 .010 .6925 .6925 .8125 .8125 .
| hexlube® universal cam followers standard stud relubricate through hex head d a g sd f thread tl 1 b 1/32 sl 6 series s lw capacities f lube fitting 3 2 2 2 2 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 3/16 1/4 1/4 1/4 1/4 1/4 npt 1/4 npt 1/4 npt 2 3 4 5 6 socket head wrench size 1/8 1/8 1/8 1/8 3/16 3/16 1/4 1/4 1/4 1/4 5/16 5/16 5/16 5/16 7/16 7/16 1/2 1/2 5/8 5/8 5/8 3/4 7/8 1 1 1/4 speed limit [rpm 5,000 5,000 5,000 5,000 5,000 5,000 4,500 4,500 3,900 3,900 3,100 3,100 2,600 2,600 2,200 2,200 2,000 2,000 1,600 1,600 1,400 1,300 1,000 800 700 dynamic static capacity capacity co c [lbf [lbf 5 max allow load [lbf mounting data track max 4 housing capacity clamping bore at 40 rc torque 0005 [lbf [inlbf .0000 430 480 770 850 880 1,030 1,690 1,900 2,440 2,680 3,320 3,600 4,550 4,900 6,500 7,300 9,400 10,400 13,300 14,400 17,300 22,000 35,000 52,000 71,000 7.5 7.5 20 20 55 55 150 150 200 200 390 390 750 750 900 900 1,300 1,300 2,000 2,000 2,500 3,000 3,000 3,000 3,
| cam followers heavy stud a g sd f with glide-a-seal® d f thread tl 1 b 1/32 sl without seal series h h l part number slotted head sealed h 16 l h 18 l h 20 l h 22 l h 24 l h 28 l h 32 l h 36 l h 40 l h 44 l h 48 l h 52 l h 56 l h 60 l h 64 l h 72 l h 80 l h 88 l h 96 l h 104 l h 112 l h 128 l hexlube® socket head sealed h 16 lw h 18 lw h 20 lw h 22 lw h 24 lw h 28 lw h 32 lw h 36 lw h 40 lw h 44 lw h 48 lw h 52 lw h 56 lw h 60 lw h 64 lw h 72 lw h 80 lw h 88 lw h 96 lw h 104 lw h 112 lw h 128 lw h 160 lw h 192 lw h 224 lw roller d 000 .001 .5000 .5625 .6250 .6875 .7500 .8750 1.0000 1.1250 1.2500 1.3750 1.5000 1.6250 1.7500 1.8750 2.0000 2.2500 2.5000 2.7500 3.0000 3.2500 3.5000 4.0000 5.0000 6.0000 7.0000 b 000 .005 .375 .375 .438 .438 .500 .500 .625 .625 .750 .750 .875 .875 1.000 1.000 1.250 1.250 1.500 1.500 1.750 1.750 2.000 2.250 2.750 3.250 3.750 sd 001 .000 .2500 .2500 .3125 .3125 .4375 .4375 .6250 .6250 .7500 .7500 .8750 .8750 1.0000 1.0000 1.1250 1.1250 1.2500 1.2500 1.
| yoke rollers cylindrical and crowned o.d b b1 cr h with glide-a-seal® d d without seal series cy l capacities speed limit [rpm 3,930 3,930 3,140 3,140 2,620 2,620 2,250 2,250 1,970 1,970 1,570 1,570 1,310 1,310 1,060 1,060 980 940 720 590 520 dynamic capacity c [lbf 1 static capacity co [lbf 2 4,150 4,150 6,150 6,150 8,500 8,500 11,300 11,300 15,850 15,850 21,200 21,200 33,000 33,000 49,900 49,900 63,250 89,550 136,000 165,500 237,800 track capacity 40 rc [lbf 880 1,030 1,690 1,900 2,440 2,680 3,320 3,600 4,550 4,900 6,500 7,300 9,400 10,400 13,300 14,400 17,300 22,000 35,000 52,000 71,000 mounting data transition fit max .2497 .2497 .3122 .3122 .3747 .3747 .4372 .4372 .4997 .4997 .6247 .6247 .7497 .7497 .9996 .9996 1.1246 1.2496 1.7496 2.2496 2.7496 min .2493 .2493 .3118 .3118 .3743 .3743 .4368 .4368 .4993 .4993 .6243 .6243 .7493 .7493 .9991 .9991 1.1241 1.2491 1.7491 2.2491 2.7491 press fit max .2505 .2505 .3130 .3130 .3755 .3755 .4380 .4380 .5007 .5007 .6257 .6257 .7507 .7507 1.000
| mast guide and carriage rollers b1 r1 b2 f d d part number 75229 75066-10 74392-2 74444 t75342 t74780-10 t75016-10 t74970 t74962-10 t74879 t75016 74501rr t74850-10 t74926 74524 74703 74389 74498 74709 t75015-10 t74908 t75015 d inside diameter nom min max d outside diameter min 2.2490 1.8590 2.2490 2.2490 2.2432 2.2490 2.9960 2.4980 2.2495 2.7130 2.9960 3.2450 3.2200 3.7170 3.9700 3.9700 3.9990 3.9990 3.9990 4.0000 2.7400 4.0000 max 2.2500 1.8600 2.2500 2.2500 2.2440 2.2500 3.0060 2.5000 2.2500 2.7280 3.0060 3.2500 3.2260 3.7250 3.9750 3.9750 4.0000 4.0000 4.0000 4.0100 2.7500 4.0100 b2 b1 inner ring outer ring width width 1.4020 0.5500 0.9630 0.7740 0.5853 1.7600 1.0250 1.2700 1.2600 1.0020 1.0250 1.0000 0.6690 0.8600 0.8270 0.8270 1.1850 0.9050 0.8270 1.1370 1.5350 1.1370 0.8120 0.4890 0.9950 0.8120 0.7283 1.7400 0.9750 1.2500 1.2500 1.0020 0.9750 1.0000 1.0050 1.0000 1.1300 1.3000 1.1850 1.1880 1.2600 1.0870 1.7460 1.0870 r1 corner radius 0.12500 0.04000 0.18750 0.12500 0.02000 0.120
| airframe needle roller bearings b b1 d d1 d series nbe d inside diameter part number nom 4 nbe 615 zp 5 nbe 717 zp 6 nbk 919 yzp 7 nbk 1021 yzp 8 nbk 1224 yzp 9 nbk 1427 yzp 10 nbk 1628 yzp 12 nbk 1830 yzp 14 nbk 2034 yzp 16 nbk 2036 yzp 20 nbk 2040 yzp 24 nbk 2044 yzp 32 nbk 2052 yzp 40 nbk 2060 yzp 48 nbk 2068 yzp 56 nbk 2078 yzp 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2 max .2500 .3125 .3750 .4375 .5000 .5625 .6250 .7500 .8750 1.0000 1.2500 1.5000 2.0000 2.5000 3.0000 3.5000 min .2493 .3118 .3743 .4368 .4993 .5618 .6243 .7493 .8743 .9993 1.2493 1.4993 1.9993 2.4993 2.9993 3.4992 max .9375 1.0625 1.1875 1.3125 1.5000 1.6875 1.7500 1.8750 2.1250 2.2500 2.5000 2.7500 3.2500 3.7500 4.2500 4.8750 min .9370 1.0620 1.1870 1.3120 1.4995 1.6870 1.7495 1.8745 2.1244 2.2494 2.4994 2.7494 3.2492 3.7492 4.2492 4.8740 d outside dia b overall .375 .437 .562 .625 .750 .875 1.000 1.125 1.250 1.250 1.250 1.250 1.250 1.250 1.250 1.250 width b1 outer ring .281 .344 .469 .531
| track hardness [hrc 26 32 36 40 44 47 50 53 56 58 material strength [psi 128,000 146,000 165,000 182,000 204,000 229,000 247,000 266,000 281,000 298,000 modification factor .45 .61 .79 1.00 1.24 1.50 1.78 2.09 2.42 2.78 2.3 bending and shear stresses 2.3.1 cam follower stud bending stress if the load over the width of the outer ring is evenly distributed it may be replaced by a single concentrated force f [lbf acting at the center of the cam follower see fig.2 assuming that the cam follower stud has been tightly mounted in a housing bore flush with the end plate this concentrated force generates a bending moment mb table 1 track capacity adjustment factors alternatively contact stress can be easily calculated and compared directly to the strength of material the equation for the hertz contact stress between a cylindrical cam follower outer ring and a flat steel track is given by roark formulas for stress and strain as m b f b 1 2 32 [in lbf 2 where b outer ring width [in 1/32
| typical applications drum cam a pair of heavy stud cam followers are shown mounted in linkages activated by a drum cam or grooved rotating shaft a lubrication hole through the stud accepts a drive fitting for periodic relubrication rewind stands rewind stands for packaging material or printed coils make use of cam followers a simple two or three point support consists simply of several cam followers acting on the journal or body of the roll the upper bracket is optional and a very quick changeover results in either case material handling equipment carriage rollers and side rollers of lift trucks are typical applications where roller followers have performed exceedingly well the heavy walled outer ring eliminates the need for a separate tire and bearing assembly 46
| universal seriestm interchange tables standard stud with hex socket head eccentric bushing sealed rbc universal hexlube® series rbc part no s16lwx s18lwx s20lwx s22lwx s24lwx s28lwx s32lwx s36lwx s40lwx s44lwx s48lwx s52lwx s56lwx s60lwx s64lwx s72lwx s80lwx s88lwx s96lwx s104lwx s112lwx s128lwx standard stud with hex socket head crowned outer eccentric bushing sealed rbc universal hexlube® series rbc part no cs16lwx cs18lwx cs20lwx cs22lwx cs24lwx cs28lwx cs32lwx cs36lwx cs40lwx cs44lwx cs48lwx cs52lwx cs56lwx cs60lwx cs64lwx cs72lwx cs80lwx cs88lwx cs96lwx cs104lwx cs112lwx cs128lwx replaces direct interchange mcgill cfe-1/2-sb cfe-9/16-sb cfe-5/8-sb cfe-11/16-sb cfe-3/4-sb cfe-7/8-sb cfe-1-sb cfe-1 1/8-sb cfe-1 1/4-sb cfe-1 3/8-sb cfe-1 1/2-sb cfe-1 5/8-sb cfe-1 3/4-sb cfe-1 7/8-sb cfe-2 -sb cfe-2 1/4-sb cfe-2 1/2-sb cfe-2 3/4-sb cfe-3 -sb cfe-3 1/4-sb cfe-3 1/2-sb cfe-4 -sb torrington crsbe-8-1 crsbe-10-1 crsbe-12 crsbe-14 crsbe-16 crsbe-18 crsbe-20 crsbe-22 crsbe-24 crsbe-2
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