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AS9120 & ISO9001 Approved

McGill bearing part number system

Part number system

PrefixSuffixDefinition
..DESIGNATION)
.0SPHERE-ROL, INDICATES STANDARD DIAMETRAL CLEARANCE ••
.10CAGEROL, RETAINER NOT PENTRATE TREATED
.100CAGEROL, SPLIT INTO TWO HALVES
.20MULTIROL, NEW DESIGN, SPRING STEEL RINGS REPLACE ROLLED LIPS
.30MULTIROL, MI INNERS , OLD STYLE LARGE DIAMETER RACE
.9CAMROL, INDICATES CLOSE RUNNING CLEARANCE BETWEEN OUTER RING COUNTER-BORE AND FLANGE O.D. (0.003 INCH)
.A1. CAMROL, CAM FOLLOWER, RADIAL OIL HOLE OMITTED IN STEIN OR PLUGGED 2. SPHERE-ROL, WITH TAPERED BORE PLUS ADAPTER SLEEVE, LOCKNUT AND LOCKWASHER
.ALALUMINUM ALLOY RETAINER OR SEPARATOR
.BCAMROL, CAM FOLLOWER, HEXAGONAL HOLE REPLACES SCREWDRIVER SLOT IN FLANGE END OF STEM
.CSTANDARD BEARING, ALL EXTERNAL SURFACES CHROME PLATED
.C2EPHERE-ROL, INDICATES DIAMETRAL CLEARANCE LESS THAN STANDARD
.C3SPHERE-ROL, INDICATES DIAMETRAL CLEARANCE LARGER THAN STANDARD
.C4SPHERE-ROL, INDICATES DIAMETRAL CLEARANCE LARGER THAN C3
.CLSPHERE-ROL, INDICATES DIAMETRAL CLEARANCE LESS THAN C2 -..S-
.CPSTANDARD BEARING WITH CHROME PLATED O.D., ALL OTHER EXPOSED SURFACES, AS MOUNTED, CADMIUM PLATED
.CRSTAINLESS STEEL (CORROSION-RESISTING)
.CUCOPPER ALLOY RETAINER OR SEPARATOR
.DROLLER BEARING PRECISION MATCHING IN GROUPS OF TWO OR MORE (*, NUMBER IN THIS POSITION INDICATES HOW MANY IN THE MATCHED GROUP WHEN THREE OR MORE ARE MATCHED)
.DBOBSOLETE, SEE "R"
.DFOBSOLETE, SEE "U"
.DOUNIVERSALLY DUPLEXED BEARINGS
.DRVNO LUBRICATION, PRESERVATIVE OPTIONAL
.DSROLLER BEARING SUPER PRECISION MATCHING IN GROUPS OF TWO OR MORE (*, NUMBER IN THIS POSITION INDICATES HOW MANY IN THE MATCHED GROUP WHEN THREE OR MORE ARE MATCHED)
.DTOBSOLETE, SEE "T"
.ESPHERE-ROL, INDICATES ENDPLAY FOR SHAFT EXPANSION
.F1. AIRFRAME BEARING, LUBRICATION HOLE IN OUTER RACE 2. PILLOW BLOCK SERIES, INDICATES BEARING FIXED IN HOUSING (NOT FLOATING) 3. SINGLE SHIELD (OBSOLETE SUFFIX)
.FEIRON ALLOY RETAINER OR SEPARATOR
.FFDOUBLE SHIELD (OBSOLETE SUFFIX)
.FFGDOUBLE SHIELD WITH SNAP RING AND GROOVE ON OUTER RING O.D. (OBSOLETE SUFFIX)
.FGSINGLE SHIELD, WITH SNAP RING AND GROOVE ON SIDE OPPOSITE SHIELD (OBSOLETE SUFFIX)
.FG-1SINGLE SHIELD, WITH SNAP RING AND GROOVE ON SAME SIDE AS SHIELD (OBSOLETE SUFFIX)
.G1. SNAP RING AND GROOVE ON OUTER RING O.D. (OBSOLETE SUFFIX) 2. MI INNER, (*, NUMBER IN THIS POSITION INDICATES O.D. LARGER THAN STANDARD BY 1/32 INCREMENTS)
.GHSNAP RING WITH HOOK AND GROOVE ON OUTER RING O.D. (OBSOLETE SUFFIX)
.GOSNAP RING GROOVE ONLY ON OUTER RING O.D. (OBSOLETE SUFFIX)
.JAIRFRAME BEARING, OUTER O.D. AND O.D. CORNERS CHROME PLATED AND OTHER EXPOSED SURFACES CADMIUM PLATED AS MOUNTED
.KSPHERE-ROL, WITH TAPERED BORE (1:12 TAPER ON DIAMETER)
.KESPHERE-ROL, TAPERED BORE, EXPANSION FEATURE
.KMK-MONEL METAL
.LERPILLOW BLOCK SERIES, LABYRINTH SEAL RING (PILLOW BLOCK COMPONENT PART)
.LHLEFT HAND THREAD FOR CF CAM FOLLOWERS OF STANDARD CATALOG ITEM
.MMAXIMUM CAPACITY OR LOADING GROOVE TYPE BALL BEARING
.NNARROW
.NMNARROW-MAXIMUM OR LOADING GROOVE TYPE BALL BEARING (OBSOLETE SUFFIX)
.NSNON-SEPARABLE (SELF-CONTAINED)
.P1. STANDARD BEARING, ALL EXTERNAL SURFACES CADMIUM PLATED 2. AIRFRAME BEARING, EXPOSED SURFACES CADMIUM PLATED AS MOUNTED 3. PILLOW BLOCK SERIES, INDICATES PLUG TO CLOSE ONE END OF HOUSING
.PCSYNTHETIC RETAINER OR SEPARATOR
.PENBLACK OXIDE FINISH
.PTSYNTHETIC TIRE ON BEARING O.D.
.R1. RADIALLY FITTED GURNEY TYPE BEARINGS, OTHER 7000 SERIES (OBSOLETE) 2. PAIRED BEARINGS DUPLEX MOUNTED BACK-TO-BACK
.RS•CAGEROL OR GUIDEROL, SEALED ON ONE SIDE, (SEAL LIP OUTSIDE OF BEARING)
.RSSCAGEROL OR GUIDEROL, SEALED ON BOTH SIDES, (SE'AL LIP TO OUTSIDE OF BEARING)
.S###############################################################################################################################################################################################################################################################
.SELBEARING SELECTED FROM STOCK FOR SPECIAL TOLERANCE RANGE OR FEATURE
.SLSPHERE-ROL, SEALED, LARGE BORE SIDE ONLY WITH TAPERED BORE
.SOL"RS" DIMENSIONAL MO BEARINGS
.SRPILLOW BLOCK SERIES, STABILIZING RING (PILLOW BLOCK COMPONENT PART)
.SRSCAGEROL OR GUIDEROL, SEALED BOTH SIDES (ONE SEAL FACING INWARD, OTHER SEAL FACING OUTWARD)
.SS1. CAGEROL OR GUIDEROL , SEALED BOTH SIDES (SEAL LIPS TO INSIDE OF BEARING) 2. SPHERE-ROL, BOTH SIDES SEALED
.TSPHERE-ROL, TEFLON SEAL (*, NUMBER IN THIS POSITION INDICATES SEAL CONFIGURATION)
.T1. CAMROL , CAM FOLLOWER, AXIAL LUBRICATION HOLE IN STEM (SPECIAL FEATURE ON SMALL CAM FOLLOWERS) 2. BALL BEARINGS DUPLEX MOUNTED IN TANDEM 3. RETAINER, STEEL, TUFFTRIDAD
.UDUPLEX MOUNTED, FACE-TO-FACE
.UNAUNASSEMBLED BEARING WITH ALL COMPONENTS
.V733SPHERE-ROL, WITH ANNULAR GROOVE AND LUBRICATION HOLES IN O.D.
.WWIDE WIDTH
.W/OWITHOUT A STANDARD COMPONENT (SEALS FOR EXAMPLE)
.W20SPHERE-ROL, WITH LUBRICATION HOLES IN BEARING O.D.
.W22SPHERE-ROL, WITH SELECTED O.D.
.Y1. ' AIR FRAME BEARING, ANNULAR LUBRICATION GROOVE IN BORE AND LUBE HOLES IN INNER RING ' 2. SEE BELOW
.ZAIRFRAME BEARING, ANNULAR LUBRICATION GROOVE IN O.D. AND LUBE HOLES IN OUTER RING
+E.CAMROL, CAM FOLLOWER, ECCENTRIC BUSHING PRESSED ON STEM
+L.CAMROL, WITH LUBRI-DISC FEATURE
AN.SPHERE-ROL, LARGE LOCKNUT (SEE "N" PREFIX)
ASMO.MULTIROL, SINGLE-ROW, OUTER RACE AND ROLLER ASSEMBLY, SELF-ALIGNING, SPHERICAL HOUSING AND O.D.
B.BALL BEARING FOR PILLOW BLOCK (MFG. FOR BROWNING)
BA.ANNULAR BALL BEARING, SINGLE-ROW, COUNTERBORED OUTER RING, ANGULAR CONTACT, CONTACT ANGLE 22 DEGREES TO 32 DEGREES (THIS IS AN AFBMA DESIGNATION)
BB.SPECIAL BALL BEARINGS
BC.ANNULAR BALL BEARING, SINGLE-ROW, RADIAL, NON-LOADING GROOVE SELF-CONTAINED (THIS IS AND AFBMA DESIGNATION)
BH.ANNULAR BALL BEARING, SINGLE-ROW, COUNTERBORED OUTER RING, RADIAL (THIS IS AN AFBMA DESIGNATION)
BM.BALL BEARING FOR PILLOW BLOCK (MFG. FOR T.B. WOOD)
BN.ANNULAR BALL BEARING, SINGLE-ROW, COUNTERBORED OUTER RING, ANGULAR CONTACT, CONTACT ANGLE 10 DEGREES TO 22 DEGREES (THIS IS AN AFBMA
BR.SPECIAL ROLLER BEARING
BT.ANNULAR BALL BEARING, SINGLE-ROW, COUNTERBORED OUTER RING, ANGULAR CON-TACT, CONTACT ANGLE 32 DEGREES TO 45 DEGREES (THIS IS AN AFBMA DESIGNATION)
C+.CAMROL, WITH CROWN RADIUS ON OUTER RING O.D. (PREFIX LETTER BEFORE BASIC BEARING TYPE)
CF.CAMROL, CAM FOLLOWER, FULL COMPLIMENT ROLLER BEARING, WITH INTEGRAL STUD
CFH.CAMROL, CAM FOLLOWER, FULL COMPLIMENT ROLLER BEARING WITH INTEGRAL HIGH CAPACITY STUD
CT.SPECIAL ROLLER BEARING UTILIZING CENTER GUIDED ROLLER ASSEMBLY
CYR.CAMROL, YOKE ROLLER, FULL COMPLIMENT ROLLER BEARING WITH INNER RACE FOR YOKE MOUNTING.
EMRF.CAGEROL, CAM FOLLOWER, HEAVY SECTION OUTER WITH INNER RING
F+.PILLOW BLOCK SERIES, INDICATES 4-BOLT BASE ON SIZES NOT ALREADY HAVING THAT FEATURE (PREFIX LETTER BEFORE BASIC PILLOW BLOCK TYPE)
GR.GUIDEROL, HEAVY DUTY ROLLER BEARING, SELF-CONTAINED, OUTER RACE AND CENTER GUIDED ROLLER ASSEMBLY. MT SERIES — INCH SERIES, AND CT SERIES - METRIC SERIES. NO INNER RACE.
GRI.GUIDEROL, WITH SEPARABLE INNER RACE. METRIC SIZES.
GTR.DRAWN CUP ROLLER BEARING, WITH ONE PIECE RETAINER, SINGLE-ROW OR ROLLERS, NO INNER, OPEN ENDS, PRECISION GROUND O.D. REGULAR ROLLER SERIES.
GTRH.DRAWN CUP ROLLER BEARING, ONE PIECE RETAINER, SINGLE-ROW OF ROLLERS, NO INNER RACE, OPEN ENDS, PRECISION GROUND O.D. , LARGE ROLLER SERIES.
GTRL.DRAWN CUP ROLLER BEARING, ONE-PIECE RETAINER, SINGLE-ROW OF ROLLERS, NO INNER RACE, OPEN ENDS, PRECISION GROUND O.D., EXTRA LARGE ROLLER SERIES.
H+.CAM FOLLOWER, STEM HEAT TREATED FOR HIGH STRENGTH (PREFIX LETTER BEFORE BASIC BEARING NUMBER)
I.INNER RACE ONLY FOR GR-CT SERIES, GUIDEROL ROLLER BEARING MULTIROL, SINGLE-ROW, INNER RACE AND ROLLER ASSEMBLY, END" PLATE TYPE (OBSOLETE, SEE "SR")
IRD.MULTIROL, DOUBLE-ROW, INNER RACE AND ROLLER ASSEMBLY, END PLATE TYPE (OBSOLETE, SEE "SR")
MI.INNER RACE ONLY FOR GR, MO, MR SERIES BEARINGS
MO.MULTIROL, FULL TYPE ROLLER BEARING, SINGLE-ROW OUTER RACE AND ROLLER ASSEMBLY, SOLID LIP TYPE
MR.1. CAGEROL, HEAVY DUTY ROLLER BEARING, ONE PIECE RETAINER, SINGLE-ROW OF ROLLERS, NO INNER RACE, REGULAR ROLLER SERIES 2. CAGEROL, SPECIAL BEARING
MRF.CAGEROL CAM FOLLOWER, CAGEROL BEARING WITH HEAVY OUTER RING
MRH.CAGEROL, HEAVY DUTY ROLLER BEARING, ONE-PIECE RETAINER, SINGLE-ROW OF ROLLERS, NO INNER RACE, LARGE ROLLER SERIES
MRN.CAGEROL, HEAVY DUTY ROLLER BEARING, ONE-PIECE MOLDED RETAINER, SINGLE-ROW OF ROLLERS, NO INNER RACE, REGULAR ROLLER SERIES
MRS.CAGEROL, HEAVY DUTY ROLLER BEARING, ONE-PIECE RETAINER, SINGLE-ROW OF ROLLERS, NO INNER RACE, REGULAR ROLLER SERIES, NON-PRECISION BEARING
MT.GUIDEROL, INCH SERIES
N.SPHERE-ROL, LOCK-NUT (SEE "AN" PREFIX)
NBC.AIRFRARAE HEAVY DUTY TYPE ROLLER BEARING, NON-SEPARABLE, SINGLE-ROW OF ROLLERS
NBE.AIRFRAME HEAVY DUTY ROLLER BEARING, SELF-ALIGNING, SINGLE-ROW OF ROLLERS
NBK.AIRFRAME HEAVY DUTY TYPE ROLLER BEARING, SELF-ALIGNING DOUBLE-ROW OF ROLLERS
NBL.AIRFRAME HEAVY DUTY TYPE TRACK ROLLER, ROLLER BEARING, NONSEPARABLE, DOUBLE-ROW OF ROLLERS
NYR.MOLDED SYNTHETIC RETAINER AND ROLLER ASSEMBLY ONLY
OD.MULTIROL ROLLER BEARING, DOUBLE-ROW, OUTER RACE AND ROLLER ASSEMBLY, END PLATE TYPE (OBSOLETE, SEE "SR")
OS.MULTIROL, ROLLER BEARING, SINGLE-ROW, OUTER RACE AND ROLLER ASSEMBLY, END PLATE TYPE (OBSOLETE, SEE "SR")
R.1. CAMROL, RETAINER TYPE (LETTER MUST BE USED WITH BASIC CAMROL PREFIX) 2. RETAINER, ONE-PIECE, SINGLE-ROW, MACHINED
RD.MULTIROL, SELF-CONTAINED, DOUBLE-ROW, OUTER RACE AND NEEDLE ASSEMBLY, (END PLATE TYPE) AND INNER RACE
RF.CYLINDRICAL ROLLER BEARING, ONE LIP OUTER RING, TWO LIP INNER RING, ROLLERS AND CAGE, OUTER RING SEPARABLE
RJ.CYLINDRICAL ROLLER BEARING, ONE LIP INNER RING, TWO LIP OUTER RING, ROLLERS AND CAGE, INNER RING SEPARABLE
RMI.INNER RACE (WITH REDUCED O.D.) ONLY FOR GR, MO, MR SERIES BEARINGS
RN.CYLINDRICAL ROLLER BEARING, TWO LIP INNER 'RING, CYLINDRICAL OUTER RING, ROLLER AND CAGE, SEPARABLE OUTER RING
RP.RETAINER, TWO-PIECE, SINGLE-ROW, PRESS FORMED
RS.1. MULTIROL, NEEDLE BEARING, SELF-CONTAINED, SINGLE-ROW, OUTER RACE AND NEEDLE ASSEMBLY, (END PLATE TYPE) AND INNER RACE 2. CAM FOLLOWER, AIRCRAFT TYPE I
RT.CAM FOLLOWER, AIRCRAFT TYPE
RU.CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, CYLINDRICAL INNER RING, ROLLER AND CAGE, SEPARABLE INNER RING
S.1. SPHERE-ROL, TAPERED ADAPTER SLEEVE 2. PILLOW BLOCK SERIES, INDICATES CAST STEEL HOUSING (LETTER MUST BE USED WITH BASIC PILLOW BLOCK PREFIX)
SAP.PILLOW BLOCK SERIES, SPLIT HOUSING WITH SPHERE-ROL BEARING (HOUSING CAST IRON, SEE "S" PREFIX FOR CAST STEEL)
SB.SPHERE-ROL, SINGLE-ROW SPHERICAL ROLLER BEARING
SC.BALL BEARING FOR PILLOW BLOCK (MFG. FOR DODGE)
SDAF.PILLOW BLOCK SERIES, HEAVY DUTY SPLIT HOUSING WITH SPHERE-ROL BEARING -(HOUSING CAST IRON - SEE "S" PREFIX FOR CAST STEEL)
SE.SPECIAL "MO" AND RELATED "MI" BEARINGS (INCLUDES ALL SOLID LIP BEARINGS)
SEE.SPHERE-ROL, WITH ECCENTIRC LOCKING COLLAR FOR PILLOW BLOCK MOUNTING
SFBA.SPHERE-ROL, ADAPTER MOUNTED IN FLANGE PILLOW BLOCK MOUNTING
SFEE.
SK.SPECIAL, ALL OTHER BEARINGS OR PARTS OF SPECIAL DESIGN
SMO.MULTIROL, WITH SPHERICAL O.D.
SNW.SPHERE-ROL, COMPLETE TAPER ADAPTER UNIT (SLEEVE, NUT, LOCKING WASHER)
SPBA.SPHERE-ROL, ADAPTER MOUNTED, IN BASE MOUNTED PILLOW BLOCK
SPBE.SPHERE-ROL, SERIES BEARING WITH ECCENTRIC LOCKING COLLAR, IN BASE MOUNTED PILLOW BLOCK
SR.SPECIAL RS, RD, OS, OD, IR, IRD BEARINGS
STR.STEEL RETAINER AND ROLLER ASSEMBLY ONLY
TR.DRAWN CUP ROLLER BEARING, ONE-PIECE RETAINER, SINGLE-ROW OF ROLLERS, NO INNER RACE , OPEN ENDS , REGULAR ROLLER SERIES-
TRH.DRAWN CUP ROLLER BEARING, ONE-PIECE RETAINER, SINGLE-ROW OF ROLLERS, NO INNER RACE, OPEN ENDS, LARGE ROLLER SERIES
TRL.DRAWN CUP ROLLER BEARING, ONE-PIECE RETAINER, SINGLE-ROW OF ROLLERS, NO INNER RACE, OPEN ENDS, EXTRA LARGE ROLLER
W.SPHERE-ROL, LOCK-WASHER
YR.SPECIAL CYR BEARINGS

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