RBC Bearings Roller Cam Followers

RBC Roller® Cam Followers

The Patented Cylindrical RBC Roller® Cam Follower
A Clear Winner with Competitive Prices

RBC invented the RBC Roller® to solve a host of problems associated with old­style needle roller cam followers.
RBC Roller® Cam Follower
The Superior Alternative
• RBC Roller® 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 grease inside.
• Specialty con.gurations (i.e., double outer ring) and corrosion resistance (thin, dense chrome plating) available.

Needle Roller Cam Follower

Old Generation Technology
• Performance capability limited by old design.
• Must be relubricated to prevent early failure.
• Roller skewing raises operating temperature.
• Needle rollers limit load carrying capacity.
• Gap seals allow intrusion of contamination.
• Inaccurate roller guidance limits operating speed.
• Minimal resistance to thrust loads.

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 speci.c 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).

The Best Seals in the Business

Advanced RBC Roller® sealing technology provides long­term protection for the rolling element system.

Without effective sealing, even the performance of RBC’s precision roller guidance and cylindrical roller technology would be diminished. The contact lip seals provide sealing effectiveness for the cam follower’s full operating life. By keeping grease inside the cam follower and contaminants away from the rolling elements, RBC Roller® contact lip seals provide a “lubed for life” product.

. Needle roller — older technology

Latest RBC Roller® Old style needle roller seal design cam follower gap seal

This chart shows the superior load capacity RBC Roller® cam followers operate at speeds up to
of the RBC Roller® cam follower. 2 times higher than needle roller cam followers.
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800.390.3300 3

RBC Roller® Cam Follower
Dual Row Cylindrical Rollers

performance. Eliminates the need for periodic relubrication.

Single Row Needle Rollers

during normal operation. This can result in excessive heat generation, which can lead to deterioration of the already limited grease supply.

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800.390.3300

RBC Roller® — Stud Type

.D .B .SD SL
Part Part +.000 +.000 +.0010 Stud
Number Number ­.001 ­.005 ­.0000 Length
RBC 1* RBY 1 1.000 .625 .4375 1.000
RBC 1 1/8* RBY 1 1/8 1.125 .625 .4375 1.000
RBC 1 1/4 RBY 1 1/4 1.250 .750 .5000 1.250
RBC 1 3/8 RBY 1 3/8 1.375 .750 .5000 1.250
RBC 1 1/2 RBY 1 1/2 1.500 .875 .6250 1.500
RBC 1 5/8 RBY 1 5/8 1.625 .875 .6250 1.500
RBC 1 3/4 RBY 1 3/4 1.750 1.000 .7500 1.750
RBC 1 7/8 RBY 1 7/8 1.875 1.000 .7500 1.750
RBC 2 RBY 2 2.000 1.250 .8750 2.000
RBC 2 1/4 RBY 2 1/4 2.250 1.250 .8750 2.000
RBC 2 1/2 RBY 2 1/2 2.500 1.500 1.0000 2.250
RBC 2 3/4 RBY 2 3/4 2.750 1.500 1.0000 2.250
RBC 3 RBY 3 3.000 1.750 1.2500 2.500
RBC 3 1/4 RBY 3 1/4 3.250 1.750 1.2500 2.500
RBC 3 1/2 RBY 3 1/2 3.500 2.000 1.3750 2.750
RBC 4 RBY 4 4.000 2.250 1.5000 3.500
RBC 5 RBY 5 5.000 2.750 2.0000 5.062
RBC 6 RBY 6 6.000 3.250 2.5000 6.000
RBC 7 RBY 7 7.000 3.750 3.0000 7.688
RBC 8 RBY 8 8.000 4.250 3.2500 8.500
RBC 9 RBY 9 9.000 4.750 3.7500 9.500
RBC 10 RBY 10 10.000 5.250 4.2500 10.000

Stud Type Only
Yoke Type Only 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

*1" and 1 1/8" are industry­exclusive sizes

W C
Overall Width Speed Bearing
+.0050 Limit Dynamic
­.0100 (rpm) Capacity (lbf)
.6925 9,400 3,000
.6925 9,400 3,000
.8125 7,500 4,100
.8125 7,500 4,100
.9375 6,200 6,200
.9375 6,200 6,200
1.0625 4,700 8,200
1.0625 4,700 8,200
1.3125 4,100 12,400
1.3125 4,100 12,400
1.5625 3,700 16,800
1.5625 3,700 16,800
1.8125 3,100 28,900
1.8125 3,100 28,900
2.0625 2,900 36,100
2.3125 2,600 45,600
2.8750 2,000 71,000
3.3750 1,500 102,000
3.8750 1,200 135,600
4.5000 1,100 175,400
5.0000 1,000 221,000
5.5000 900 272,000
• All sizes are available in crowned and oil hole versions
• Heavy stud style available in some sizes
• Contact Customer Service at 800.390.3300 with questions

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800.390.3300

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®, SpreadLock® Seal, CrossLube®, DuraLube™,
and self­lubricating bearings. 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. Super duplex con.gurations.

Tapered Roller Bearings

Tyson® case­hardened and through­hardened tapered roller bearings. Available in many sizes. Used in Class 8 heavy truck and trailer wheel bearings, gearboxes, and .nal drive transmissions.

Tapered Roller Thrust Bearings
Case­hardened. Sealed and unsealed for truck, tractor, and construction equipment steer axles, and Class 8 trailer landing gear.

Ball Screws

Precision ground, rolled, ball splines. Long life, low wear, high accuracy. QuickTurn® Ball Screw Repair Service.

Integrated Assemblies

For robots and other process tool applications. Engineering design assistance. Production volume capacity.

Cam Followers

Standard stud, heavy stud, yoke type, caged roller followers. Patented RBC Roller® cylindrical roller cam followers, HexLube® universal cam followers, airframe track rollers.

Needle Roller Bearings
Pitchlign® caged heavy duty needle roller bearings, inner rings, TJ TandemRoller® bearings for long life.

Self­Lubricating Bearings
Radial, thrust, rod ends, spherical bearings, high temperature, high loads. Available in inch and metric sizes. Fiberglide® self­lubricating bearings.

Airframe Control Bearings
Ball bearing types, self­lubricating types, needle roller track rollers.

Dowel Pins, Loose Needle Rollers, Shafts

Precision Products dowel pins, loose needle rollers, and shafts.

Commercial Rod Ends
Commercial and industrial, precision, Mil­Spec series, self­lubricating, and aircraft. Sold under the Heim®, Unibal®, and Spherco® names. Available in inch and metric sizes.

Ball Bearings
Precision ground, semiground, unground. High loads, long life, smooth operation. Nice™ branded products are offered in caged and full complement con.gurations.

Specials
RBC manufactures many specialty bearings for the aerospace, oil and energy, semiconductor equipment, packaging, transportation, and other industries.

This document contains a general overview of the products and features described herein. It is solely for informational purposes, does not represent a warranty of the information contained herein, and is not to be construed as an offer to sell or a solicitation to buy. Contact RBC Bearings Incorporated for detailed information suitable to your speci.c applications. RBC Bearings Incorporated reserves the right to modify its products and related product information at any time without prior notice. Some of the products listed herein may be covered by one or more issued and pending U.S. or foreign patents. Contact RBC Bearings for product speci.c information.

© 2002, 2008 RBC Bearings Incorporated RBC 4/08