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Federal ball bearing part number system

How to read FEDERAL ball bearing numbers:

Example: 1316MFF1H1

Basic bearing number
Single-row - maximum capacity type
FF - Double steel shields
1 - Standard fit-up
H - Andok C grease
1 - ABEC-1 tolerances

EXAMPLE: 7007X51M1

Basic bearing number
Special width, integrated felt seal
1 - Standard fit-up
M - Low temperature grease, Beacon 325, MIL-G-3278
1 - ABEC-1 tolerances

Part number system

PrefixSuffixDefinition
.1ABEC-1 TOLERANCE.
.1STANDARD FIT.
.1LUBRICANT CODE. STANDARD GREASE M24.
.2TIGHT FIT.
.3ABEC-3 TOLERANCES.
.3LOOSE FIT.
.5ABEC-5 TOLERANCES.
.7ABEC-7 TOLERANCES.
.ALUBRICANT CODE ANDEROL L-793.
.ADEVIATION FROM STANDARD DESIGN.
.BLUBRICANT CODE TEXACO 1692, LOW TEMPERATURE OIL.
.BEXTERNAL SELF-ALIGNING (BEARING ONLY) .
.CLUBRICANT CODE, SPECIAL LUBRICANT WHICH DOES NOT HAVE A SPECIFIC CODE LETTER.
.CGSNAP RING GROOVE.
.CGSNAP RING GROOVE (STANDARD POSITION ON DOUBLE ROW BEARINGS IS ON FILLING SLOT SIDE) .
.CTCLUTCH THROWOUT TYPE.
.CTHCT TYPE WITH NIPPLE FOR GREASE FITTIPG.
.CTMCT TYPE WITH STEEL SHELL.
.CTNCT TYPE WITH OIL HOLE.C2176
.CTQCT TYPE WITH STEEL SHELL.
.CTRCT TYPE WITH NIPPLE FOR GREASE FITTING.
.DLUBRICANT CODE, DOW CORNING 44, MIL-L-15719.
.ELUBRICANT CODE, SHELL, AEROSHELL 7A.
.ESINGLE PLASTIC SEAL.
.EPLASTIC SEAL.
.EEDOUBLE PLASTIC SEAL.
.FSINGLE STEEL SHIELD.
.FSINGLE SHIELD.
.FESHIELDED BOTH SIDES. ONE SIDE STEEL SHIELD; OPPOSITE SIDE PLASTIC SEAL.
.FFDOUBLE STEEL SHIELD.
.FFDOUBLE SHIELD.
.FGSNAP RING AND SHIELD ON THE SAME SIDE OF BEARING.
.FRSHIELDED BOTH SIDES - ONE SIDE STEEL - OPPOSITE SIDE BUNA-N SEAL.
.GLUBRICANT CODE, TEXAS CO. "NO. 3007", MIL-L-3545.
.GFSNAP RING - SINGLE SHIELD AT OPPOSITE SIDE OF BEARING.
.GFSNAP RING GROOVE WITH SHIELD ON OPPOSITE SIDE (STANDARD) .
.GFFSNAP RING GROOVE WITH SHIELDS ON BOTH SIDES.
.GRSNAP RING GROOVE WITH R SEAL OPPOSITE (STANDARD) .
.GRRSNAP RING GROOVE WITH R SEALS ON BOTH SIDES.
.HSYNTHETIC RUBBER CONTACT SEAL.
.HLUBRICANT CODE ANDOK C.
.HHFAIRPRENE BUNA-N CONTACT SEAL.
.JMOLDED SYNTHETIC RUBBER WITH STEEL INSERT, CONTACT SEAL.
.JMOLDED SYNTHETIC RUBBER LIP SEAL.
.JLUBRICANT CODE, SOCONY BRB LIFETIME GREASE.
.JJDOUBLE MOLDED SYNTHETIC RUBBER SEAL .
.KLUBRICANT CODE, GULF PRECISION 2 GREASE.
.KREMOVABLE SYNTHETIC RUBBER LIP SEAL.
.LLUBRICANT CODE, TEXAS CO. LOW TEMPERATURE 2346 GREASE, MIL-G-23827A.
.LLUBRICANT CODE, TEXAS CO. LOW TEMPERATURE 2346 GREASE, MIL-G-23827A.
.LNON-REMOVABLE SYNTHETIC RUBBER LIP SEAL.
.MSINGLE ROW - MAXIMUM CAPACITY - FILLING SLOT.
.MLUBRICANT CODE, BEACON 325, MIL-G-3278.
.MFILLING SLOT TYPE.
.MFSHIELD ON SIDE OPPOSITE FILLING SLOT (STANDARD) .
.MFFDOUBLE SHIELD (FILLING SLOT TYPE) .
.MGSNAP RING GROOVE ON FILLING SLOT SIDE (STANDARD) .
.MGFSNAP RING GROOVE ON FILLING SLOT SIDE, SHIELD OPPOSITE (STANDARD) .
.MGFFSNAP RING GROOVE ON FILLING SLOT SIDE, DOUBLE SHIELDED (STANDARD) .
.MWIFILLING SLOT TYPE WITH EXTENDED INNER RING.
.NNARROW INNER RING.
.NDOUBLE-ROW - LIGHT SERIES - NARROW WIDTH.
.NLUBRICANT CODE. SHELL ALVANIA 12.
.PLUBRICANT CODE, TEXAS CO. "REGAL AFB I2", MIL-L-7711.
.QLUBRICANT CODE, TEXAS CO. ALL TEMPERATURE 1992 GREASE, MIL-G-10924.
.RSINGLE FAIRPRENE BUNA-N SEAL.
.RRETAINER.
.RSYNTHETIC RUBBER CONTACT SEAL .
.RRDOUBLE FAIRPRENE BUNA-N SEAL.
.SLUBRICANT CODE, N. Y. AND N. J. "S58".
.SEXTERNAL SELF -ALIGNING.
.SAINTERNAL SELF-ALIGNING.
.SAINTERNAL SELF-ALIGNING.
.SSSTAINLESS STEEL.
.WWIDE OUTER RING.
.XADAPTER BEARING.
.XSTANDARD SLUSH.
.XADAPTER TYPE.
.X5SPECIAL WIDTH, INTEGRATED FELT SEAL.
.XYADAPTER TYPE BEARING WITH SLEEVE.
.XYADAPTER TYPE WITH SLEEVE.
.YADAPTER SLEEVE.
.YADAPTER SLEEVE.
.ZLUBRICANT CODE, ANDERSON L-245X, MIL-L-6085A.
A.CONTACT LINES ON DOUBLE-ROW CONVERGE ON OUTSIDE.
B.PILLOW BLOCK (BEARING ONLY) .
C.COUNTERBORED OUTER RING, SEPARABLE.
DU.PAIR OF BEARINGS UNIVERSALLY GROUND.
E.ELECTRIC MOTOR QUALITY.
F.FLANGED OUTER RING.
FGSHIELD AND SNAP RING GROOVE ON SAME SIDE (NON-STANDARD) .
FGRSHIELD AND SNAP RING GROOVE ON SAME SIDE, R SEAL OPPOSITE (NON-STANDARD).
FMSHIELD OF FILLING SLOT SIDE (NON-STANDARD) .
FMGSHIELD AND SNAP RING GROOVE ON FILLING SLOT SIDE (NON-STANDARD) .
FMGRSHIELD AND SNAP RING GROOVE ON FILLING SLOT SIDE, R SEAL OPPOSITE (NON-STANAARD) .
FMRSHIELD ON FILLING SLOT SIDE, R SEAL OPPOSITE (NON-STANDARD).
FB.MAGNETO TYPE .
FB.MAGNETO TYPE.
FOOO.FRONT WHEEL SERIES.
FS.SPECIAL DESIGN BEARING.
FS.SPECIAL DESIGN.
GMSNAP RING GROOVE ON SIDE OPPOSITE FILLING SLOT (NON-STANDARD) .
GMFSNAP RING GROOVE AND SHIELD ON SIDE OPPOSITE FILLING SLOT (NON-STANDARD) .
GMFFSNAP RING GROOVE ON SIDE OPPOSITE FILLING SLOT (NON-STANDARD) .
GFMRSNAP RING GROOVE ON SAME SIDE AS R SEAL, FILLING SLOT AND SHIELD OPPOSITE (NON-STANDARD) .
GF-MSNAP RING GROOVE ON SIDE OPPOSITE FILLING SLOT AND SHIELD (NON-STANDARD) .
GRMFSNAP RING GROOVE ON SAME SIDE AS SHIELD, FILLING SLOT AND R SEAL OPPOSITE (NON-STANDARD) .
I.DOUBLE-ROW SELF-ALIGNING WITH EXTENDED INNER RING.
I.SELF-ALIGNING, DOUBLE-ROW, RADIAL TYPE WITH EXTENDED INNER RING.
LS.LIGHT SERIES - INCH DIMENSIONS.
LS.LIGHT INCH SERIES.
MS.MEDIUM SERIES - INCH DIMENSIONS.
MS.MEDIUM INCH SERIES.
MWI.WIDE INNER RING.
PB.BALL BEARING AND PILLOW BLOCK HOUSING ASSEMBLY.
PB.PILLOW BLOCK SERIES.
PF.DOUBLE-ROW FAN AND PUMP SHAFT BEARINGS.
PF.PUMP AND FAN TYPE.
PT.CARBON BEARING CLUTCH RELEASE.
R.SMALL INCH SERIES.
RGR SEAL AND SNAP RING GROOVE ON SAME SIDE (NON-STANDARD) .
RGFR SEAL AND SNAP RING GROOVE ON SAME SIDE, SHIELD OPPOSITE (STANDARD).
RMFR SEAL ON FILLING SLOT SIDE, SHIELD OPPOSITE (STANDARD).
RMGFR SEAL AND SNAP RING GROOVE ON FILLING SLOT SIDE, SHIELD OPPOSITE (STANDARD) .
RW.AUTOMOTIVE REAR WHEEL TYPE.
RW.REAR WHEEL SERIES.
S.EXTRA SMALL, INCH DIMENSIONS, FULL TYPE.
SOC.EXTENDED INNER RING, LOCKING COLLAR, LIGHT SERIES.
SOC.EXTENDED INNER RING WITH COLLAR.
SOCHEXTENDED INNER RING, LOCKING COLLAR, MEDIUM SERIES.
U.SINGLE BEARING UNIVERSALLY GROUND.
XLS.EXTRA LIGHT SERIES - INCH DIMENSIONS.
XLS.EXTRA LIGHT INCH SERIES .

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