RBC Roller Brochure by RBC Bearings

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[View page 1] rbc roller cam followers ® the superior alternative the patented cylindrical roller cam follower a clear winner with new sizes 1 and 11/8 and new competitive prices rbc division www.rbcbearings.com 800.390.3300

[View page 2] patented cylindrical roller cam followers rbc invented the rbc roller® to solve a host of problems associated with old-style needle roller cam followers rbc roller cam follower the superior alternative s rbc cam followers are available in sizes from 1 in roller diameter an industry exclusive invented by rbc to solve some of the toughest machine and product control guidance challenges double row of cylindrical rollers delivers tremendous operating advantages in an economical package repair and replace cycle is greatly reduced rbc roller cam followers operate up to 5 times longer lubricated for life no more need for periodic relubrication or expensive automatic lubrication systems operate at much higher rotary speeds rbc roller cam followers operate at speeds up to 2 times higher increase load carrying capacity without increasing cam follower size up to double the dynamic load rating unique contacting lip seals provide positive protection against contamination while keeping gr

[View page 3] precisely guided cylindrical rollers the use of precisely guided rollers dramatically improves all aspects of cylindrical roller cam follower performance the dynamic load capacity maximum running speed and fatigue life are greatly enhanced see the charts below for specific data regarding these improvements lower performance needle roller cam followers rely on rolling elements that have reduced load capacity they are also subject to more rolling resistance and generate higher operating temperatures these unfavorable operating characteristics are the result of comparatively small roller diameter reduced load capacity and poor roller guidance resulting in skewing excessive frictional heat and reduced fatigue life v rbc roller latest technology v needle roller older technology the best seals in the business advanced rbc roller sealing technology provides long-term protection for the rolling element system without effective sealing even the performance of rbc s precision roller guidanc

[View page 4] the rbc roller cam follower advantage rbc roller cam follower the latest design and technology innovations patented rbc roller double row cylindrical roller cam followers represent the most effective cam follower technology available they are superior to needle roller cam followers in every way lubed for life higher load capacity higher speed rating and longer service life outer ring roller guidance rbc roller cam follower center thrust ring roller guidance dual row cylindrical rollers contacting lip seals these seals make contact only with the stud ground diameter therefore maximizing seal life they are not subject to thrust load against unground surfaces their sole function is to provide a secure seal for the retention of lubricant and exclusion of contaminants large diameter rollers carry high loads higher dynamic capacity results in greater fatigue life ­ greatly prolonging cam follower service life center thrust ring a unique element of the rbc roller design the center thrust ri

[View page 5] needle roller cam follower previous generation design and performance long small diameter needle rollers mean lower load capacity limited speed and higher operating temperatures the combination of minimal grease charge volume and more rapid lubricant degradation mean that relubrication is required for even moderate service life the seals act as thrust washers and provide outer ring guidance needle roller cam follower single row needle rollers gap seals these seals are designed to fill the gap between outer ring shoulder and the end ring see above illustration this results in substantial frictional and thrust loads on seal surfaces that can lead to rapid wear larger number of small diameter rollers result in lower load rating and reduced fatigue life limited roller guidance end-guided needle rollers tend to skew during normal operation this can result in excessive heat generation which can lead to deterioration of the already limited grease supply minimal grease retention volume the on

[View page 6] rbc stud type and yoke roller type cam follower dimensions rbc roller stud type d sd b sl stud type only part number new rbc 1 new rbc 1 1/8 rbc 1 1/4 rbc 1 3/8 rbc 1 1/2 rbc 1 5/8 rbc 1 3/4 rbc 1 7/8 rbc 2 rbc 2 1/4 rbc 2 1/2 rbc 2 3/4 rbc 3 rbc 3 1/4 rbc 3 1/2 rbc 4 rbc 5 rbc 6 rbc 7 rbc 8 rbc 9 rbc 10 part number rby rby rby rby rby rby rby rby rby rby rby rby rby rby rby rby rby rby rby rby rby rby 1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4 1 7/8 2 2 1/4 2 1/2 2 3/4 3 3 1/4 3 1/2 4 5 6 7 8 9 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 .b 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 .sd 0010 0000 .4375 .4375 .5000 .5000 .6250 .6250 .7500 .7500 .8750 .8750 1.0000 1.0000 1.2500 1.2500 1.3750 1.5000 2.0000 2.5000 3.0000 3.2500 3.7500 4.2500 sl stud length nom 1.000 1.000 1.250 1.250 1.500 1.500

[View page 7] and performance data rbc roller yoke type ddbw needle roller cam followers w overall width 0050 0100 .6925 .6925 .8125 .8125 .9375 .9375 1.0625 1.0625 1.3125 1.3125 1.5625 1.5625 1.8125 1.8125 2.0625 2.3125 2.8750 3.3750 3.8750 4.5000 5.0000 5.5000 speed limit rpm 9,400 9,400 7,500 7,500 6,200 6,200 4,700 4,700 4,100 4,100 3,700 3,700 3,100 3,100 2,900 2,600 2,000 1,500 1,200 1,100 1,000 900 c bearing dynamic capacity lbf 3,000 3,000 4,100 4,100 6,200 6,200 8,200 8,200 12,400 12,400 16,800 16,800 28,900 28,900 36,100 45,600 71,000 102,000 135,600 175,400 221,000 272,000 nominal size 1 1 1 1 1 1 1 1 2 2 2 2 3 3 3 4 5 6 7 part number sssssssssssssssssss 32 36 40 44 48 52 56 60 64 72 80 88 96 104 112 128 160 192 224 speed limit rpm 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 c bearing dynamic capacity lbf 2,300 2,300 4,200 4,200 5,000 5,000 6,400 6,400 9,600 9,600 12,800 12,800 17,000 17,000 24,300 30,000 47,200 62,900

[View page 8] innovation commitment quality rbc has been producing bearings in the usa since 1919 in addition to unique custom bearings rbc offers a full line of standard industrial and aerospace bearings including spherical plain bearings radial angular contact extended inner ring high misalignment quadlube® impacttuff® shimpack® crosslube® bearings and self-lubricating bearings available in inch and metric sizes rod ends commercial and industrial precision mil-spec series self-lubricating and aircraft heim unibal® and spherco® brands available in inch and metric sizes thin section ball bearings standard cross sections to one inch sizes to 40 inches stainless steel and other materials are available seals are available on all sizes and standard cross sections ball bearings precision ground semiground unground high loads long life smooth operation nice® brand is offered in caged and full complement configurations cam followers self-lubricating bearings radial thrust rod ends spherical bearings high t