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Part number system
| Prefix | Suffix | Definition | | . | - W47 | INNER RING WITH OVERSIZE BORE | | . | A | SELF-ALIGNING SPHERICAL ROLLER BEARING COMPLETE WITH ADAPTER SLEEVE; NUT, AND WASHER, TAPERED BORE. | | . | BA | ANNULAR BALL BEARING, SINGLE-ROW, COUNTERBORED OUTER RING, ANGULAR CONTACT, (ANGULARITY GREATER THAN 25 DEGREES) , METRIC DIMENSIONS | | . | BC | ANNULAR BALL BEARING, SINGLE-ROW, RADIAL; NON-LOADING GROOVE, SELF-CONTAINED, RINGS FLUSH, METRIC DIMENSIONS | | . | BH | ANNULAR BALL BEARING, SINGLE-ROW, COUNTERBORED OUTER RING, PRIMARILY RADIAL (VERY LOW ANGULARITY) , RINGS FLUSH, METRIC DIMENSIONS | | . | BIA | ANNULAR BALL BEARING, SINGLE-ROW, COUNTERBORED OUTER RING, ANGULAR CONTACT (ANGULARITY GREATER THAN 25 DEGREES) , INCH DIMENSIONS | | . | BIG | ANNULAR BALL BEARING, SINGLE-ROW, RADIAL, NON-LOADING GROOVE, SELF-CONTAINED, RINGS FLUSH, INCH DIMENSIONS | | . | BIH | ANNULAR BALL BEARING, SINGLE-ROW, COUNTERBORED OUTER RING, PRIMARILY RADIAL (VERY LOW ANGULARITY) , RINGS FLUSH, INCH DIMENSIONS | | . | BR | BRONZE RETAINER | | . | C01 | INNER RING WITH CLOSE RUNNING ACCURACY | | . | C02 | INNER RING WITH EXTRA CLOSE RUNNING ACCURACY | | . | C03 | OUTER RING WITH CLOSE RUNNING ACCURACY | | . | C04 | OUTER RING WITH EXTRA CLOSE RUNNING ACCURACY AND MARKED TO SHOW HIGH AND LOW POINT OF ECCENTRICITY. | | . | C78 | RBEC , ABEC-5 PRECISION | | . | C8 | STONING OF INNER AND OUTER RING CORNERS THOROUGH INSPECTION FOR SURFACE APPEARANCE | | . | COS | INNER RING AND OUTER RING WITH CLOSE RUNNING ACCURACY. | | . | COS | INNER RING AND OUTER RING WITH EXTRA CLOSE RUNNING ACCURACY AND MARKED TO SHOW HIGH AND LOW POINT OF ECCENTRICITY. | | . | DU | DUCTILE IRON CAGE | | . | HC | SHELL *5 OR ASU 06752 | | . | HJ | CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, STAMPED STEEL RETAINER, NO INNER RING. | | . | JTD | JOURNAL ROLLER BEARING COMPLETE WITH OUTER RING AND ROLLER ASSEMBLY (NO INNER RACE) , INCH DIMENSIONS | | . | JTDD | JOURNAL ROLLER BEARING, TWO ROW, COMPLETE WITH OUTER RING AND ROLLER ASSEMBLY (NO INNER RING) , INCH DIMENSIONS | | . | JTE | JOURNAL ROLLER BEARING COMPLETE WITH INNER AND OUTER RINGS AND ROLLER ASSEMBLY, INCH DIMENSIONS | | . | JTED | JOURNAL ROLLER BEARING, TWO ROW, COMPLETE WITH INNER AND OUTER RINGS AND ROLLER ASSEMBLY, INCH DIMENSIONS | | . | K | TAPERED BORE, SELF-ALIGNING SPHERICAL ROLLER BEARING | | . | LD | SHELL AEROSHELL *7A (HIL-G-23827) | | . | M | MACHINED LAND-RIDING RETAINER, FROM CAST BRONZE, CC BRONZE OR DUCTILE IRON (CYLINDRICAL ROLLER BEARING) | | . | MA | MAGNUS MAGNAFILM 131 | | . | MK | SHELL DARINA 82 | | . | ML | MOLUBE-ALLOY #1 | | . | MTD | JOURNAL ROLLER BEARING COMPLETE WITH OUTER RACE AND ROLLER ASSEMBLY (NO INNER RACE) , METRIC DIMENSIONS | | . | MTDD | JOURNAL ROLLER BEARING, TWO ROW, COMPLETE WITH OUTER RING AND ROLLER ASSEMBLY (NO INNER RING) , METRIC DIMENSIONS | | . | MTE | JOURNAL ROLLER BEARING COMPLETE WITH INNER AND OUTER RINGS AND ROLLER ASSEMBLY, METRIC DIMENSIONS | | . | MTED | JOURNAL ROLLER BEARING, TWO ROW, COMPLETE WITH INNER AND OUTER RINGS AND ROLLER ASSEMBLY, METRIC DIMENSIONS | | . | MY | SHELL DARINA #1 | | . | N | SNAP RING GROOVE IN OUTER RING (WITHOUT SNAP RING) | | . | NA | SHELL BB (MIL-G-10924B) | | . | NB | HUMBLE OIL NEBULA -EP2 | | . | NR | SNAP RING AND GROOVE ON O.D. OF OUTER RING | | . | NX | NOX RUST £509 HOT-DIPPED (MIL-C-11796) | | . | RDZ | CYLINDRICAL ROLLER BEARING, TWO ROW, LIP INNER RING WITH CENTER FLANGE, CYLINDRICAL OUTER RING, EXTRA HEAVY OUTER RING, WITH RETAINER, METRIC DIMENSIONS | | . | RF | CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, ONE LIP OUTER RING, WITH RETAINER, METRIC DIMENSIONS | | . | RIF | CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, ONE LIP OUTER RING, WITH RETAINER, INCH DIMENSIONS | | . | RIJ | CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, ONE LIP INNER RING WITH RETAINER, INCH DIMENSIONS. | | . | RIN | CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, WITH RETAINER, INCH DIMENSIONS | | . | RIP | CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, TWO LIP OUTER RING, ONE OUTER RING LIP SEPARABLE, WITH RETAINER, INCH DIMENSIONS | | . | RIT | CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, TWO LIP INNER RING, ONE INNER RING LIP SEPARABLE, WITH RETAINER, INCH DIMENSIONS. | | . | RIU | CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, CYLINDRICAL INNER RING, WITH RETAINER, INCH DIMENSIONS | | . | RJ | CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, ONE LIP INNER RING WITH RETAINER, METRIC DIMENSIONS. | | . | RN | CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, WITH RETAINER, METRIC DIMENSIONS | | . | RP | CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, TWO LIP OUTER RING, ONE OUTER RING LIP SEPARABLE, WITH RETAINER, METRIC DIMENSIONS | | . | RT | CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, TWO LIP INNER RING, ONE INNER RING LIP SEPARABLE, WITH RETAINER, NETRIC DIMENSIONS. | | . | RU | CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, CYLINDRICAL IYINER RING, WITH RETAINER, METRIC DIMENSIONS | | . | RUA | CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, CYLINDRICAL INNER RING, WITH CAGE, SELF-ALIGNING OUTER RING, METRIC DIMENSIONS | | . | RZ | CYLINDRICAL ROLLER BEARING TWO LIP INNER RING, CYLINDRICAL OUTER RING, EXTRA HEAVY OUTER RING, WITH RETAINER, METRIC DIMENSIONS | | . | S | ADAPTER SLEEVE, PULL TYPE., SPHERICAL ROLLER BEARING | | . | S | STAMPED STEEL LAND-RIDING RETAINER (CYLINDRICAL ROLLER BEARINGS) | | . | S | SEAL ON ONE SIDE | | . | SBB | SELF-ALIGNING BALL BUSHING, SOLID SPHERICAL O.D. INNER RING, SPHERICAL I.D. OUTER RING, DIAMETRICALLY FRACTURED, RETAINING WIRE. | | . | SD | SELF-ALIGNING SPHERICAL ROLLER BEARING, TWO ROW | | . | SF | SELF-ALIGNING BALL BUSHING, SOLID SPHERICAL O.D. INNER RING, SPHERICAL I.D. OUTER, SINGLE FRACTURE. | | . | SM | S-MONEL CAGE | | . | SR | SELF-ALIGNING SPHERICAL ROLLER BEARING, ONE ROW | | . | SS | SEAL ON BOTH SIDES | | . | TDI | TAPERED ROLLER BEARING, TWO ROW, DOUBLE CONE, TWO SINGLE CUPS | | . | TDIE | TAPERED ROLLER BEARING, TWO ROW, DOUBLE 'CONE, TWO SINGLE CUPS, DOUBLE CONE WITH ONE BORE KEYWAY OR COMBINATION OF ONE BORE KEYWAY AND ONE FACE KEYWAY IN EACH FACE. | | . | TDIK | TAPERED ROLLER BEARING, TWO ROW, DOUBLE CONE, TWO SINGLE CUPS, TAPERED BORE | | . | TDIS | TAPERED ROLLER BEARING, TWO ROW, DOUBLE CONE, TWO SINGLE CUPS, STEEP ANGLE | | . | TDOD | TAPERED ROLLER BEARING, TWO ROW, DOUBLE CUP WITH DOWEL HOLE, TWO SINGLE CONES . | | . | TDOS | TAPERED ROLLER BEARING, TWO ROW, DOUBLE CUP, TWO SINGLE CONES, STEEP ANGLE | | . | TE | SHELL ALVANIA *2 (MIL-G-18709) | | . | TNA | TAPERED ROLLER BEARING, TWO ROW, NON-ADJUSTABLE, DOUBLE CUP, TWO SINGLE CONES. , | | . | TNAD | TAPERED ROLLER BEARING, TWO ROW, NON-ADJUSTABLE DOUBLE CUP WITH DOWEL HOLE, TWO SINGLE CONES. | | . | TNAU | TAPERED ROLLER BEARING, TWO ROW NON-ADJUSTABLE, DOUBLE CUP, WIDE SINGLE CONES | | . | TOO | TAPERED ROLLER BEARING, TWO ROW, DOUBLE CUP, TWO SINGLE CONES | | . | TOOK | TAPERED ROLLER BEARING, FOUR ROW, TWO DOUBLE CONES, ONE DOUBLE CUP, TWO SINGLE CUPS, TAPERED BORE | | . | TP | CYLINDRICAL ROLLER THRUST BEARING, FLAT SEAT | | . | TPS | CYLINDRICAL ROLLER THRUST BEARING, SELF-ALIGNING WITH ALIGNING WASHER | | . | TQI | TAPERED ROLLER BEARING, FOUR ROW, TWO DOUBLE CUPS, ONE DOUBLE CONE, TWO CONES | | . | TQIK | TAPERED ROLLER BEARING, FOUR ROW, TWO DOUBLE CUPS, ONE DOUBLE CONE, TWO SINGLE CONES, TAPERED BORE | | . | TQO | TAPERED ROLLER BEARING, FOUR ROW, TWO DOUBLE CONES, ONE DOUBLE CUP, TWO SINGLE CUPS | | . | TS | TAPERED ROLLER BEARING, SINGLE ROW | | . | TSF | TAPERED ROLLER BEARING, SINGLE ROW, FLANGE ON CUP O.D. | | . | TSR | SELF-ALIGNING SPHERICAL ROLLER THRUST BEARING. | | . | TSS | TAPERED ROLLER BEARING, SINGLE ROW, STEEP ANGLE | | . | TTHD | TAPERED ROLLER THRUST BEARING, FLAT SEAT | | . | TTSX | TAPERED ROLLER THRUST BEARING, FLAT BOTTOM WASHER, CONVEX TOP WASHER | | . | TVB | BALL THRUST BEARING, GROOVED RACEWAY, FLAT SEAT, INCH DIMENSIONS | | . | TVL | BALL THRUST BEARING, ANGULAR CONTACT TYPE, FLAT SEAT | | . | W | TWO LIP OUTER RING | | . | W20 | OUTER RING WITH STANDARD OIL HOLES | | . | W22 | OUTER RING WITH CLOSE O.D. TOLERANCE AND STANDARD TOLERANCES FOR INNER RING | | . | W25 | OUTER RING WITH COUNTER DRILLED OIL HOLE | | . | W26 | INNER RING WITH LARGER THAN STANDARD RADIUS ON ONE SIDE OF THE BORE | | . | W27 | INNER RING WITH LARGER THAN STANDARD RADIUS ON BOTH SIDES OF THE BORE | | . | W33 | OUTER RING WITH STANDRAD OIL HOLES AND MACHINED OIL GROOVE IN CENTER OF O.D. | | . | W4 | INNER RING OR SLEEVE TO SHOW HIGH POINT OF ECCENTRICITY | | . | W40 | RINGS AND ROLLERS MADE OF CARBURIZING GRADE STEEL | | . | W40I | INNER RING ONLY MADE OF CARBURIZING GRADE STEEL | | . | W41 | RINGS AND ROLLERS MADE OF 440-C STAINLESS STEEL | | . | W42 | RINGS AND ROLLERS MADE OF STELLITE | | . | W43 | RINGS AND ROLLERS MADE OF K MONEL | | . | W44 | RINGS AND ROLLERS MADE OF S MONEL | | . | W45 | TAPPED HOLES IN FACE OF OUTER RING | | . | W46 | OUTER RING WITH UNDERSIZE O.D. | | . | W46A | OUTER RING WITH SECOND UNDERSIZE O.D. | | . | W49 | OUTER RING WITH OVERSIZE O.D. | | . | W5 | CUSTOMERS PART NUMBER MARKED ON BEARING | | . | W91 | OUTER RING WITH REDUCED O.D. TOLERANCE ON LOW SIDE (MEAN O.D. MINUS 0.50 RBEC-1) . | | . | W92 | OUTER RING WITH REDUCED O.D. TOLERANCE ON HIGH SIDE (MEAN O.D. PLUS 0.50 RBEC-1) . | | . | W94 | INNER RING WITH LUBRICATION HOLES. | | . | W97 | INNER RING WITH SPECIAL BORE TOLERANCE | | . | W98 | INNER RING WITH UNDERSIZE BORE | | . | YK | KEYSTONE 5P9 | | . | Z | SHIELD ON ONE SIDE | | . | ZZ | SHIELDS ON BOTH SIDES | | A | . | CYLINDRICAL INNER RING (CYLINDRICAL ROLLER BEARING) | | AN | . | LOCKNUT DESIGNATION | | ARM | . | REMOVAL NUT DESIGNATION, ADAPTER SLEEVE, SPHERICAL ROLLER BEARING | | IR | . | INNER RACE, HARDENED AND GROUND NEEDLE ROLLER BEARINGS | | JRN | . | TWO LIP INNER RING, ONE INNER RING LIP SEPARABLE | | MB | . | LOCKWASHER DESIGNATION | | N | . | LOCKNUT DESIGNATION | | R | . | ONE LIP INNER RING (CYLINDRICAL ROLLER BEARING) | | RN | . | REMOVAL NUT DESIGNATION ADAPTER SLEEVE, SPHERICAL ROLLER BEARING | | SK | . | ADAPTER SLEEVE, PUSH TYPE, SPHERICAL ROLLER BEARING | | SK | . | ADAPTER SLEEVE, PULL TYPE, SPHERICAL ROLLER BEARING | | W | . | LOCKWASHER DESIGNATION |
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