RBC Aerospace Rolling Element Bearings

152 Pages·2008·4.97 MB·English

by  Annmarie Sole

Rolling Element Bearings
unique design solutions
to complex problems
The Global Leader in Aerospace Bearings
Rolling Element Bearings
Aircraft Control Bearings
Ball Bearing Rod Ends
Needle Track Roller Bearings
Thin Section Ball Bearings
Gear Box and Engine
Ball and Roller Bearings
www.rbcbearings.com
RBC Aerospace Bearings –
Plain Bearings Catalog
RBC Aerospace Bearings also offers
a catalog dedicated to our precision
Plain Bearing products including spherical
bearings, rod end bearings, journal bearings,
links and assemblies. This catalog features
detailed information regarding general
features and technical product specifications,
part drawings, complete engineering sections
for each product category, and ordering
information.
Also available on CD.
Please visit us online at www.rbcbearings.com
RBC Aerospace Bearings Locations
A.I.D. Company Industrial Tectonics Bearings Corporation
250 Laurel Heights Drive 18301 South Santa Fe Avenue
P.O. Box 685 Rancho Dominguez, CA 90221
Clayton, GA 30525 Phone: [phone]
Phone: [phone]
RBC West Trenton
Aircraft Products, Inc. 400 Sullivan Way
2788 Winsted Road West Trenton, NJ 08628
Torrington, CT 06790 Phone: [phone]
Phone: [phone]
Schaublin SA
Allpower Manufacturing Company Rue de la Blancherie 9
13141 Molette Street CH-2800
Santa Fe Springs, CA 90670 Delémont, Switzerland
Phone: [phone] Phone: [phone]
Heim Bearings Company Southwest Products/US Bearing
60 Round Hill Road 5001 B Commerce Drive
Fairfield, CT 06824 Baldwin Park, CA 91010
Phone: [phone] Phone: [phone]
Transport Dynamics Corporation
3131 West Segerstrom Avenue
Santa Ana, CA 92704
Phone: [phone]
©2008 RBCBearings Incorporated. All rights reserved.
ROLLING ELEMENT BEARINGS TABLE OF CONTENTS
S
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N
O INTRODUCTION
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E Industrial Heritage and Know-How
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AB • Warranty
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• Contact Information
AIRFRAME CONTROL AND BALL BEARING ROD ENDS
• Engineering Section for Airframe Control and Ball Bearing Rod Ends
AIRFRAME CONTROL BALL BEARINGS
Airframe Control Bearings: Section Header – Index
• Product Nomenclature
Tables – Airframe Control Ball Bearings
Single Row Ball Bearings
• Standard Series
• Precision Series
Double Row Ball Bearings
• Standard Series
• Precision Series
Single Row Roller Bearings
BALL BEARING ROD ENDS
Ball Bearing Rod Ends: Section Header – Index
• Product Nomenclature
Tables – Ball Bearing Rod Ends
• External Threaded Series
• AeroCres®Fracture-tough Airframe Products
• Internal Threaded Series
• Hollow Shank Series
• Solid Shank Series
Tables – Roller Rod Ends
• RA/RR External Threaded Series
• RA/RR Internal Threaded Series
AIRFRAME CONTROL NEEDLE ROLLER BEARINGS
Airframe Control Needle Roller Bearings: Section Header – Index
• Product Nomenclature
• Engineering Section for Needle Roller Bearings
Tables – Airframe Control Needle Roller Bearings and Stud-type Track Rollers
• Single/Double Row Sealed Series
• AeroCres®Reduced Maintenance Track Rollers
• Single/Double Row,Heavy Loads,Slow Speeds Series
• Single Row,Outer Supported by Housing Series
• Single/Double Row Self-aligning Series
• Single Row,Minimum Section Series
• Stud-type Track Roller Series
• AeroCres®Fracture-tough Airframe Products
➥
• Special Designs Continued
on next page
For more information visit our web site at rbcbearings.com
ROLLING ELEMENT BEARINGS TABLE OF CONTENTS
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THIN SECTION BALL BEARINGS O
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Thin Section Ball Bearings: Section Header – Index E
L
• Product Nomenclature AB
T
• Engineering Section for Thin Section Ball Bearings
• Thin Section Ball Bearings Tolerance and Fits
Tables – Thin Section Ball Bearings
• SuperDuplex™Series
• Radial Contact,C-Type Series
• Angular Contact,A-Type Series
• 4-Point Contact,X-Type Series
• Sealed Radial Contact,C-Type Series
• Sealed Radial Contact,X-Type Series
• Simplex™Series
SAMPLE APPLICATIONS
• Helicopter Applications
• Airframe Applications
CONVERSION TABLES
For more information visit our web site at rbcbearings.com
RBC BEARINGS
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RBC Bearings Corporate Headquarters
Oxford,Connecticut U.S.A.
INDUSTRIAL HERITAGE AND KNOW-HOW control ball bearings.RBC has become the number one
producer worldwide of airframe control product,and has
RBC Bearings has a long and impressive history as an virtually every series and size Mil-Spec approvals.
innovator in bearing technology – one that has been highlighted
Transport Dynamics (TDC),founded in 1955,was acquired
by patents for creative engineering design.Today,the company
in 1992.Also located in southern California,TDC is one of RBC’s
comprises a number of facilities throughout North America and
main producers of plain bearings,manufacturing journal
Europe,with a global network of sales engineers,aerospace
bearings (bushings),spherical plain,and rod end product.Plain
distributors,and authorized agents.Publicly held (Nasdaq:
bearings at TDC are constructed in metal-to-metal and as lined,
ROLL),RBC has grown steadily through strategic planning and
self-lubricating product.Transport Dynamics offers over 30
acquisitions.Since the early nineties,these acquisitions have
different liner systems depending upon the loading,wear,and
continued to expand the breadth of an extensive product line of
temperature conditions in the application (including the
bearings and related products that serve global industries –
patented Fibriloid®and Fiberglide®liner technology).TDC
chief among them,aerospace.
manufactures plain bearing product in both conventional
Since its earliest days in West Trenton,New Jersey,the swaged configurations and as load slot entry bearings
company has been at the forefront of bearing technology.Roller (Messerschmidt design).Transport Dynamics was actually the
Bearing Company of America,founded in 1919,manufactured inventor of the lined spherical bearing,with the first application
a variety of bearing products.In 1941,Roller Bearing Company developed in 1957 for the Chevrolet Corvette suspension joint.
became the sole source supplier for the landing gear bearings Boeing adopted this new bearing design and soon it was used
on military aircraft manufactured by Ford Motor Company.The throughout the 727 model aircraft.TDC actually licensed this
RBC facility in West Trenton continues today to be a major technology to all their competitors back in the 1960s.
supplier of helicopter main and tail rotor flight control bearings
Heim®Bearings,Fairfield,Connecticut,joined the RBC
to,among others,the U.S.Government.
family in 1993.Founded by Louis Heim®in 1942,the Heim®
In 1990,RBC acquired Industrial Tectonics Bearings (ITB). name has been known and respected for designing the first
Located in Rancho Dominguez,California,the division was integral rod end bearing,specifically the Unibal®spherical
founded in 1955.ITB manufactures a complete line of thin bearing rod end.This bearing was originally designed to solve
section ball bearings with capabilities up to 24 inches outside aircraft delivery delays due to critical shortages in rod ends and
diameter.Typical aerospace applications include helicopter self-aligning bearings during the war effort.Heim®Bearings
swashplate bearings and electro-optical targeting pods. Company is also well known for inventing centerless grinding
Additionally,ITB is RBC’s main facility for the production of and for inventing the swaging process used in the manufacture
52100 cad plated,CRES 440C,and zinc nickel plate airframe of spherical plain bearings.In addition to rod end and spherical
©2008 RBC Bearings Incorporated.All rights reserved.
For more information visit our web site at rbcbearings.com 3
RBC BEARINGS
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UC bearings,Heim®Bearings Company manufactures specialized In 2008,RBC acquired the assets of A.I.D.Company,
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O radial ball bearings,such as a cobalt race hybrid bearing with Clayton,Georgia,a manufacturer of precision aerospace swaged
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T silicon nitride balls for a hot bleed air valve application in tubes and push-pull rods.A.I.D.was founded in 1948 to
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aircraft auxiliary power units.Heim®Bearings Company is also manufacture aircraft ignition systems.Today,the company
the world’s largest provider of aerospace ball bearing rod ends, produces a wide variety of swaged tubes,flash welded push-
including manufacture with the corrosion-resistant AeroCres® pull rods,and control rods for commercial and military
material.Ball bearing rod ends can be found throughout aircraft applications.
in positioning and linkage assemblies,as well as on swaged
Aerospace Segments Served
tubes throughout the airframe.
Aerospace segments served by RBC include commercial and
In 2000,RBC acquired Schaublin SAbased in Delémont,
military alike,fixed and rotary wing.RBC serves the world’s
Switzerland.As a result,RBC added Schaublin’s metric rod ends
major airframers (large transport,regional,and general
and metric spherical bearings to the family of global RBC
aviation),engines and accessories,defense (land and marine
products,and a base with which to service the European
vehicles,missile and bomb,optical targeting),space (vehicles
market.Within this 140,000 sq.ft.facility,RBC has established
and engine),major subsystem providers (landing gear,electrical
the company’s European Distribution Center. In addition,
generation,etc.),and smaller subsystem and component
Schaublin was licensed by Heim®Bearings to market Unibal®
applications (primary and secondary flight control actuation,
rod ends back in the 1950s.RBC also acquired what is now
swaged tube bearing,and structural applications,etc.)
called RBC France— a sales,engineering,marketing,and
distribution arm for Schaublin product,located in Les Ulis, RBC’s aerospace operations count among their customers a
France. long list of prestigious names,including Airbus,Boeing,
Lockheed Martin,SAAB,Northrop Grumman,BAE Systems,
In December,2003,RBC acquired the business of the former
Bombardier,Embraer Aircraft,Spirit Aerosystems,NASA,Bell
Torrington “Standard”Plant — a long-established leader in
Helicopter,Sikorsky,Boeing Mesa and Rotocrafts,Rolls-Royce,
airframe products.This facility,referred to as RBC Aircraft
GE Aircraft Engines,Snecma,Pratt & Whitney,Honeywell,ASCO,
Products,Inc.(API)was founded in 1866.The Torrington
Goodrich Aerospace,Moog,Smiths Aerospace,Parker
name is synonymous with quality engineering and precision –
Aerospace,Messier-Dowty,Raytheon,Primus University Swage,
and complements the RBC portfolio of aerospace product
LeFiell,and Tyee.
offerings.At the API plant,RBC produces aircraft needle
track roller bearings,cam followers,radial ball bearings,and The RBC aerospace divisions are well versed in the many
specialized series of airframe control ball bearings. bearing materials,from the standard chrome 52100,to the
CRES 440C and 15-5/17-4 stainless product,to the processing
RBC has made an additional aerospace business acquisition
of exotic materials like ALTEMP®A286*,Stellite®**,titanium,
in each of the years 2004,2005,and 2006; acquiring U.S.
Inconel®***,beryllium copper,Pyrowear®,and AeroCres®.
Bearing,Chatsworth,California; Southwest Products Inc.,
Baldwin Park,California; and Allpower Manufacturing,Santa Combined revenue of the RBC aircraft divisions,is
Fe Springs,California,respectively.U.S.Bearing and Southwest approximately 75% aerospace.The predominant non-aerospace
Products manufacture plain bearings,as does Heim®Bearings, markets include high-end industrial applications requiring the
Transport Dynamics,and Schaublin.Added are some specialty same stringent tolerances and high-quality precision product.
design capabilities and self-lubricating liner systems,as well as
Quality Statement
additional production capacities.Allpower Manufacturing,a
Boeing and Airbus approved supplier,produces a full line of All of RBC’s aerospace bearings divisions have a formal,
precision bushings,spacers,sleeves,and specialty machined documented,and aerospace-approved quality program/system in
parts servicing the aerospace industry.This is an added product place.The company is approved to many OEM quality systems,
line to the already broadest line of aerospace bearings offered including Airbus,Rolls-Royce,Pratt & Whitney,GE Aircraft
by RBC. Engines,Boeing Commercial Aircraft,Boeing Helicopter,Sikorsky,
Pyrowear®is a registered trademark of Carpenter Technology Corporation.
*ALTEMP®A286 is a registered trademark of ATI Allegheny Ludlum.
**Stellite®is a registered trademark of the Deloro Stellite Company,Inc.
***Inconel®is a registered trademark of Alloys International,Inc.and
The international Nickel Company,Inc.
©2008 RBC Bearings Incorporated.All rights reserved.
4 For more information visit our web site at rbcbearings.com
RBC BEARINGS
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Lockheed Martin,Northrop Grumman,Snecma,Goodrich,BAE ball bearings,cylindrical roller bearings,needle track roller UC
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Systems,and the U.S.Government,among others.RBC is on a bearings,cam follower bearings,tapered roller bearings, O
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self-release program with many of these companies. airframe control,thin section ball bearings,and ball bearing rod NT
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ends.RBC is focused on the aerospace industry and intends to
For example,Industrial Tectonic Bearings (ITB),Rancho
Dominguez,California,was promoted to Gold Level Preferred continually complement its broad offering with new products,
Supplier status at Lockheed Martin Missiles and Fire Control, new technologies,and acquisitions.
Orlando,Florida.At this point,RBC is the only Gold bearing RBC has a long tradition of engineering design excellence
supplier to the Lockheed organization.In a statement given by a and innovation in creating solutions to problems,as our patents
senior manager for Lockheed Martin Missiles and Fire Control, reflect.The company also strives to stay on the forefront of
“…the ITB facility is key in helping us create a world-class
bearing material,plating,and design technology.Investing in
supply base.”To assess ITB’s supplier status,Lockheed Martin
qualified personnel,capital equipment,material and bearing
performed an on-site business system review,the team
testing is paramount.RBC also strives to continually refine its
concluding that RBC demonstrated a dedication to continuous
manufacturing processes,both to maintain the reputation for
improvement and process improvement.The Gold status allows
quality product and long life,and to remain the industry’s cost
ITB to perform its own final inspection of hardware,facilitating a
leader.
“dock-to-stock”receipt at Lockheed Martin’s Orlando factory.
A very important part of our strategic vision is to
All aerospace divisions of RBC are ISO 9001:2000 and
develop/expand on a current business partnership with targeted
AS9100 certified.Additionally,they are NADCAP accredited in-
customers.RBC’s goals,objectives,and investments support the
house for non-destructive testing,heat treat,and weld,or are
aerospace market,while many companies are choosing to exit
using NADCAP accredited sourcing.The company is constantly
the industry.RBC believes that its objectives are soundly aligned
audited by the many major aerospace customers in the world,
with the needs of the aerospace industry,both short and long
as well as by the FAA.RBC is aware that material,specification,
term.All of us at RBC look forward to supplying more of our
and/or processing changes are all critical.As such,the company
aircraft offerings through all the RBC aerospace divisions
has a traceability process for its manufacturing locations
participating in your business.
including a procedure for preserving the identity and origin of
the bearing and all its components.RBC has the capability to
Warranty
isolate and recall suspect bearings from use and trace the
RBC’s sole warranty is against defects in materials or
cause of failure to a specific manufacturing lot,material
workmanship.The foregoing warranty is exclusive,and in lieu of
process,or component.
all other warranties (whether written,oral or implied) including,
Strategic Plan and Vision but not limited to,the warranty of merchantability,and the
RBC Bearings’ strategic plan and vision is to continue down warranty of fitness for a particular purpose.A no charge
the path of profitability and growth — organic growth including replacement will be made on any product manufactured by
market penetration and the addition of new products and RBC,which upon examination by RBC,appears to be defective,
growth via acquisition to which RBC’s uncompromising track provided it is returned to RBC,transportation prepaid,within
record of aerospace acquisition attests.RBC has become the ninety (90) days of date of sale,and further provided it has been
world’s broadest supplier of aerospace bearing product,serving properly installed or mounted and lubricated and not subject to
the industry with spherical,rod end,and journal plain bearings, abuse.
©2008 RBC Bearings Incorporated.All rights reserved.
For more information visit our web site at rbcbearings.com 5
RBC BEARINGS
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C CONTACT US
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Corporate Headquarters Industrial Tectonics Bearings RBC France SAS
One Tribology Center Corporation 19,Avenue de Norvege
102 Willenbrock Road 18301 South Santa Fe Avenue ZA de Courtaboeuf 1
Oxford,CT 06478 Rancho Dominguez,CA 90221 91953 Les Ulis Cedex
Phone:[phone] Phone:[phone] France
Fax:[phone] Fax:[phone] Phone:[phone]
Fax:[phone]
A.I.D.Company RBC West Trenton
P.O.Box 685 400 Sullivan Way Schaublin SA
Laurel Heights Drive West Trenton,NJ 08628 Rue de la Blancherie 9
Clayton,GA 30525 Phone:[phone] CH-2800 Delémont
Phone:[phone] Fax:[phone] Switzerland
Fax:[phone] Phone:[phone]
Southwest Products Inc./US Bearing Fax:[phone]
Aircraft Products,Inc 5001 B Commerce Drive
2788 Winsted Road Baldwin Park,CA 91010
Torrington,CT 06790 Phone:[phone]
Phone:[phone] Fax:[phone]
Fax:[phone]
Transport Dynamics
Allpower Manufacturing Company 3131 W.Segerstrom Ave.,P.O.Box 1953
13141 Molette Street Santa Ana,CA 92704.9998
Santa Fe Springs,CA 90670 Phone:[phone]
Phone:[phone] Fax:[phone]
Fax:[phone]
Heim Bearings Company
60 Round Hill Road
Fairfield,CT 06824
Phone:[phone]
Fax:[phone]
©2008 RBC Bearings Incorporated.All rights reserved.
6 For more information visit our web site at rbcbearings.com
ENGINEERING FOR AIRFRAME CONTROL AND BALL BEARING ROD ENDS
INTRODUCTION For improved corrosion protection,RBC also supplies
bearings made of hardened stainless steel alloy,AISI
The first RBC bearings designed expressly for
440C.This alloy may,in addition,be passivated,
airframe controls were manufactured in 1929.As
cadmium plated,or zinc nickel plated for enhanced
pioneers in this field,these early control bearings paved
corrosion protection.
the way for later generations of RBC products which
are recognized as design and performance standards On ball bearing rod ends the outer rod body is made L
by the global aircraft industry. of a selectively hardened AISI 8620 or RBC AeroCres® NTRORING S
Over the years RBC has steadily expanded its fracture-tough material.AeroCres fracture-tough COEAND
aircraft line to meet the increasingly exacting demands airframe products use a specialized carburized ME L BD E
imposed by newer,larger aircraft and airborne vehicles. shteaaint ltersesa tsmteeenlt. RprBoCc ehsass rdeesvueltlionpge idn aan hdo ompotigmeinzeeodu tshe RFRA& BALRO
This line now offers the widest range of types and sizes AI
microstructure — delivering both corrosion protection
available to the aircraft industry.Many of these
and core fracture toughness.
products have been specifically designed to meet the
demands for elevated temperatures,low torque,closer
PERFORMANCE
tolerances,compactness,and greatest load capacity to
Please refer to the individual Engineering Section
bearing weight ratios.
for specific useful information on bearing performance
Although most bearings listed on the following pages characteristics as for load rating,installation and
are designed primarily for the airframe industry,many application.
have been used successfully in other fields in which the
Tabulated performance data provided in this catalog
motion is mainly oscillatory. These bearings are
are guidelines only.Rotational load ratings listed are
manufactured with the high standards of precision and
calculated assuming intermittent slow rotation.When
quality synonymous with RBC’s reputation throughout
selecting bearings,the loads,motion modes of
the industry.
oscillation or rotation,and speeds must be taken
GENERAL INFORMATION into account.
RBC airframe (or aircraft) control bearings and RBC We strongly recommend that you consult RBC before
ball bearing rod ends are manufactured in compliance finalizing your selection,especially when considering a
to U.S.Government and Aerospace Industry Standards full complement airframe control or rod end bearing for
and Specifications. continuous rotational application.
Airframe control bearings and ball bearing rod ends RBC airframe control and rod end bearings offer the
are of lightweight design,corrosion protected,grease- following key design features
lubricated,and typically sealed.Although designed and • Inch and metric sizes with final as-plated
manufactured under demanding quality control dimensions.
requirements for airborne systems,these bearings have
• Corrosion Resistance available with stainless steel
been successfully used in other fields of application,
and/or cadmium plated alloy steels on all exposed
where motions are mainly oscillatory and/or with
surfaces except bore and seals.RBC also offers
limited rotation.
other corrosion resistant plated materials,which
include zinc nickel plated alloy steels and RBC
PRECISION
AeroCres®fracture-tough airframe products.
RBC supplies airframe control bearings both in
“Standard”and “Precision”series.The prefix “M”in a • High load capacities in a compact,lightweight
bearing number indicates that it is of a precision series. design.
RBC supplies ball bearing rod ends as a Precision • Inert polytetrafluoroethelene (PTFE) —Teflon®—
series. seals standard on most sizes.
• Extended inner rings eliminate the need for spacers.
MATERIAL
Rings and balls are made of hardened bearing alloy, • Bearings with suffix FS428 are prepacked with
AISI 52100.All exposed surfaces except bearing bore lubricant conforming to specification MIL-PRF-23827
are cadmium or zinc nickel plated for corrosion and BMS3-33 and are equipped with PTFE seals.
protection,unless otherwise noted.
©2008 RBC Bearings Incorporated.All rights reserved. Teflon®is a registered trademark of DuPont.
For more information visit our web site at rbcbearings.com 7
ENGINEERING FOR AIRFRAME CONTROL AND BALL BEARING ROD ENDS
• Bearings with suffix FS464 are prepacked 80% to SAE-AS7949 SPECIFICATIONS
100% with lubricant conforming to specification The airframe control bearings listed on the following
MIL-PRF-81322 and are equipped with PTFE seals. pages are manufactured in accordance with the
• Most self-aligning designs permit up to 10° U.S.Government standards as set forth under the
misalignment in either direction. appropriate military specifications.The government
L • RBC airframe control ball bearings conform to specification covering the largest number of bearings
ONTROARING DS SOAEEM- AsSp7e9ci4fi9c a(ftoiornmse.rly MIL-B-7949) and all major issp eScAiEfi-cAaSti7o9n4 a9n.dS tthaen dbaeradrsi nagp pselicriaebsl eto u wndheicrh t hthisey
CEN
ME L BD E • RBC ball bearing rod ends conform to SAE-AS6039 apply are shown in Table 1 below.
RFRA& BALRO (formerly MIL-B-6039) and OEM specifications. SAE-AS6039 SPECIFICATIONS
AI • NSA ball bearing rod ends. The rod end bearings listed on the following pages
are manufactured in accordance with the U.S.
U.S.GOVERNMENT SPECIFICATIONS
Government standards as set forth under the
It should be noted that all bearings listed in this
appropriate military specifications.The government
section,whether covered by military specification or not,
specification covering the largest number of bearings
are manufactured to the same high standards of quality
is SAE-AS6039. Standards applicable under this
and reliability.RBC’s objective is to engineer and
specification and the bearing series to which they
fabricate control bearings which will meet and exceed
apply are shown below:
the customer’s needs,however exacting they may be.
MS21150 . . . . .REP-S . . . . . . . . .Solid Shank Rod End
By utilizing the latest technology in bearing design and
MS21151 . . . . .REP-M . . . . . . . . . . . . .Male Rod End
manufacture,RBC surpasses standards set by military
specifications.Keeping abreast of advances in the field MS21152 . . . . .REP-H . . . . . . .Hollow Shank Rod End
is RBC’s assurance that RBC bearings will be available MS21153 . . . . .REP-F . . . . . . . . . . . .Female Rod End
to fill the most demanding performance requirements
Two additional groups of rod ends,referred to as the
as flight vehicles of the future become reality.
“Balanced Design”series,are manufactured to meet
the National Aircraft Standards Specification NAS661.
Under this specification Balanced Design rod ends
conform to standards NAS659 and NAS660.
Table 1
RADIAL PLAY AND GREASE VARIATIONS FOR SAE-AS7949 BEARINGS
Standard Radial Reduced Radial Standard Radial Reduced Radial
Play Play Play Play
MS RBC MIL-PRF-81322 MIL-PRF-81322 MIL-PRF-23827 MIL-PRF-23827
Series Series Grease Grease Grease Grease
MS RBC MS RBC MS RBC MS RBC
Suffix Suffix Suffix Prefix/Suffix Suffix Suffix Suffix Prefix/Suffix
27640 KP
27641 KP-A NONE FS464 R M/FS464 G FS428 RG M/FS428
27643 DSP
27645 KSP
27644 DPP
27646 B500DD
27648 KP-BS NONE FS464 N⁄A N⁄A G FS428 N⁄A N⁄A
27649 AW-AK
21428 MB500DD
27647 DW NONE FS464 R M/FS464 L M/FS464 RL M/FS428
27642 KP-B(1) S(1) FS464 G SG(1) FS428
(1)MKP-B Series are used for MS27642 bearings with an S or SG suffix (MS27642-16S is RBC MKP16B FS464)
©2008 RBC Bearings Incorporated.All rights reserved.
8 For more information visit our web site at rbcbearings.com