FAG bearing part number system How to read FAG part numbers: EXAMPLE: 6203.2RS.T5.C3.L19 6203 = basic bearing series and size designation. .2RS = two molded rubber seals. .T5 = ABEC-5 tolerance class. -C3 = AFBMA internal radial clearance. .L19 = Mobil 28 grease, MIL-G-81322. EXAMPLE: NU205.M.T5.S1 NU = cylindrical roller bearing, single-row, two lipped outer ring, cylindrical inner ring. 205 = basic bearing series and size designation. .M = machined brass retainer, roller guided. .T5 = RBEC-5 tolerance class. .S1 = stabilized for operating temperatures up to 390°F. s Part number system Prefix Suffix Definition . (DB) BALL BEARING SUITABLE FOR DUPLEX MOUNTING "BACK-TO-BACK". . (DF) BALL BEARING SUITABLE FOR DUPLEX MOUNTING "FACE-TO-FACE". . (DR) CYLINDRICAL ROLLER BEARING DROP ROLLER RETAINER DESIGN. . (DT) BALL BEARING SUITABLE FOR DUPLEX MOUNTING IN TANDEM. . (RY) TRACTION MOTOR BEARING SPECIFICATION. . (S...) (FOILED BY 3 DIGITS OR ONE LETTER AND TWO DIGITS) SPECIAL SPECIFICATION COVERING SELECTED AND/OR OTHER CHARACTERISTICS. . (X) BEARING WITH INCREASED SEAL TORQUE. . (Y) BEARING WITH REDUCED SEAL TORQUE . 22 TWO METAL SHIELDS. . 2HS TWO SEALS, POLYACRYLIC MATERIAL. . 2RS TWO SEALS, BUNA-N RUBBER. . 2RSR TWO SEAL, BUNA-N RUBBER, RADIAL TYPE. . 2TS TWO SEALS, FIBER GLASS FILLED TEFLON MATERIAL. . 2VS TWO SEALS, VITON® MATERIAL. . 2ZR TWO METAL SHIELDS, RADIAL TYPE. . A BALL BEARING, SINGLE-ROW, ANGULAR CONTACT 30 DEGREES. . A INTERNAL DESIGN MODIFICATION. . B BALL BEARING, SINGLE-ROW, ANGULAR CONTACT 40 DEGREES. . B INTERNAL DESIGN MODIFICATION. . C BALL BEARING, SINGLE-ROW ANGULAR CONTACT 15 DEGREES. . C INTERNAL DESIGN MODIFICATION. . C2 INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . C3 INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . C4 INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . C5 INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . CL INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . DA BALL BEARING, DOUBLE-ROW WITH SPLIT INNER RING. N . E BALL BEARING, SINGLE-ROW, ANGULAR CONTACT 25 DEGREES. . E BALL OR ROLLER BEARING WITH INCREASED LOAD CAPACITY DESIGN. . F MACHINED STEEL RETAINER, ROLLING ELEMENT GUIDED. . F3 NOISE TEST SPECIFICATION. . F96 AIRCRAFT INSPECTION. . FA MACHINE STEEL RETAINER, OUTER RING GUIDED. . FB MACHINED STEEL RETAINER, INNER RING GUIDED. . G NOISE TEST SPECIFICATION. . H MACHINED FORGED BRONZE RETAINER, ROLLING ELEMENT GUIDED. . HA MACHINED FORGED BRONZE RETAINER, OUTER RING GUIDED. . HB MACHINED FORGED BRONZE RETAINER, INNER RING GUIDED. . HL SPHERICAL ROLLER BEARING WITH INCREASED LOAD CAPACITY. . HS ONE SEAL, POLYACRYLIC MATERIAL. . J STAMPED METAL RETAINER, ROLLING ELEMENT GUIDED. . K BEARING WITH TAPERED BORE, TAPER 1:12. . K30 BEARING WITH TAPERED BORE, TAPER 1:30. . L MACHINED ALUMINUM RETAINER, ROLLING ELEMENT GUIDED. . L10 SHELL ALVANIA NO. 2 GREASE, MIL-G-18709. . L12 CHEVRON SRI NO. 2 GREASE, MIL-G-3545. . L14 SHELL AEROSHELL 16 GREASE, MIL-G-25760. . L15 SHELL AEROSHELL 7 GREASE, MIL-G-23827. . L16 AMERICAN SUPERMIL ASU 31052, MIL-G-25013. . L19 MOBIL OIL, MOBIL 28 GREASE, MIL-G-81322. . L904 DIESTER INSTRUMENT OIL, MIL-L-6085. . L907 DIESTER INSTRUMENT OIL, MIL-L-6085. . L909 PETROLEUM OIL, MIL-L-7870A. . L910 PETROLEUM OIL, MIL-L-644A. . L914 PETROLEUM OIL, MIL-L-3503. . L923 SILICONE FLUID. . LA MACHINED ALUMINUM RETAINER, OUTER RING GUIDED. . LB MACHINED ALUMINUM RETAINER, INNER RING GUIDED. . M MACHINED BRASS RETAINER, ROLLING ELEMENT GUIDED. . MA MACHINED BRASS RETAINER, OUTER RING GUIDED. . MB MACHINED BRASS RETAINER, INNER RING GUIDED. . MP MACHINED BRASS RETAINER, WINDOW TYPE. . N CIRCUMFERENTIAL GROOVE ON BEARING O.D. FOR SNAP RING. . NR CIRCUMFERENTIAL GROOVE ON BEARING O.D. AND SNAP RING. . P4 ISO TOLERANCE CLASSIFICATION. . P5 ISO TOLERANCE CLASSIFICATION. . P6 ISO TOLERANCE CLASSIFICATION. . RS ONE SEAL, BUNA-N RUBBER. . RSR ONE SEAL, BUNA-N RUBBER, RADIAL TYPE. . S SPHERICAL ROLLER BEARING WITH CIRCUMFERENTIAL LUBRICATING GROOVE'IN O.D. AND HOLES IN O.R. . S2 STABILIZED FOR OPERATING TEMPERATURES UP TO 480°F. . S3 STABILIZED FOR OPERATING TEMPERATURES UP TO 570°F. . S4 STABILIZED FOR OPERATING TEMPERATURES UP TO 660°F. . SG NOISE TESTED SPECIFICATION. . SI STABILIZED FOR OPERATING TEMPERATURES UP TO 390°F. . SO STABILIZED FOR OPERATING TEMPERATURES UP TO 300°F. . SOO STABILIZED FOR OPERATING TEMPERATURES UP TO 250°F. . SP SUPER PRECISION SPECIFICATION. . T TEXTILE LAMINATED PHENOLIC RETAINER, ROLLING ELEMENT GUIDED. . T3 ABEC-3 AND KBEC-3 TOLERANCES. . T5 ABEC-5 AND RBEC-5 TOLERANCES. . T7 ABEC-7 AND RBEC-7 TOLERANCES. . T9 ABEC-9 AND RBEC-9 TOLERANCES. . TA TEXTILE LAMINATED PHENOLIC RETAINER, OUTER RING GUIDED. . TH TEXTILE LAMINATED PHENOLIC RETAINER, SNAP TYPE. . TN PLASTIC RETAINER, ROLLING ELEMENT GUIDED. . TNH PLASTIC RETAINER, SNAP TYPE. . TR TEXTILE LAMINATED PHENOLIC RETAINER, INNER RING GUIDED. . TS ONE SEAL, FIBER GLASS FILLED TEFLON MATERIAL. . UL UNIVERSAL MOUNTING AND PRELOAD. . UM SPECIFICATIONS FOR ANGULAR CONTACT. . UO BALL BEARINGS. . V FULL COMPLEMENT, RETAINERLESS BEARING. . VS ONE SEAL, VITON® MATERIAL. . Y PRESSED BRASS RETAINER, ROLLING ELEMENT GUIDED. . YP PRESSED BRASS RETAINER; WINDOW TYPE. . Z ONE METAL SHIELD. . ZR ONE METAL SHIELD, RADIAL TYPE. A . BALL BEARING, SINGLE-ROW, ANGULAR CONTACT TYPE WITH ONE RELIEVED INNER RING SHOULDER AND AN OUTER RING GUIDED RETAINER. B . BALL BEARING, SINGLE-ROW, ANGULAR CONTACT TYPE WITH ONE RELIEVED OUTER RING SHOULDER AND AN INNER RING GUIDED RETAINER. BO . MAGNETO TYPE BALL BEARING. DL . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE, METRIC LIGHT SERIES. DM . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE, METRIC MEDIUM SERIES. E . MAGNETO TYPE BALL BEARING. EW . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE. EXTRA LIGHT INCH SERIES. HW . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE. HEAVY INCH SERIES. K . AIRCRAFT CONTROL BALL BEARING, SINGLE-ROW, RADIAL. KP . AIRCRAFT CONTROL BALL BEARING, SINGLE-ROW, RADIAL. KS . AIRCRAFT CONTROL BALL BEARING, SINGLE-ROW, SELF-ALIGNING. KSP . AIRCRAFT CONTROL BALL BEARING, SINGLE-ROW, SELF-ALIGNING. L . MAGNETO TYPE BALL BEARING. LS . BALL BEARING, SINGLE-ROW, LIGHT INCH SERIES. M . MAGNETO TYPE BALL BEARING. MS . BALL BEARING, SINGLE-ROW, MEDIUM INCH SERIES. MW . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE. MEDIUM INCH SERIES. N . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING. NJ . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP OUTER RING, ONE LIP INNER RING. NN . CYLINDRICAL ROLLER BEARING, DOUBLE-ROW, THREE LIP INNER RING, CYLINDRICAL OUTER RING, SPINDLE BEARING. NNU . CYLINDRICAL ROLLER BEARING, DOUBLE-ROW, THREE LIP INNER RING, CYLINDRICAL INNER RING, SPINDLE BEARING. NO . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP OUTER RING, CYLINDRICAL INNER RING. NUP . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP OUTER RING, TWO LIP INNER RING WITH ONE LIP SEPARABLE. QJ . BALL BEARING, SINGLE-ROW, FOUR-POINT DESIGN WITH SPLIT INNER RING. R . BALL BEARING, SINGLE-ROW, EXTRA SMALL AND EXTRA LIGHT INCH SERIES. RLS . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING, LIGHT INCH SERIES. RMS . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING, MEDIUM INCH SERIES. RY . TRACTION MOTOR BEARING SPECIFICATION. S . BALL BEARING, SINGLE-ROW, EXTRA WIDE SERIES. W . BALL THRUST BEARING, SINGLE-ROW. SINGLE DIRECTION, GROOVED RACE SURFACE. LIGHT INCH SERIES. X . SPECIAL BEARINGS . XA . SPECIAL BEARINGS . XB . SPECIAL BEARINGS . XF . SPECIAL BEARINGS . XH . SPECIAL BEARINGS . XJ . SPECIAL BEARINGS . XK . SPECIAL BEARINGS . XLS . BALL BEARING, SINGLE-ROW, EXTRA LIGHT SERIES. XW . BALL THRUST BEARING, SINGLE-ROW. SINGLE DIRECTION, GROOVED RACE SURFACE. EXTRA LIGHT INCH SERIES. £A . MAGNETO TYPE BALL BEARING.
Saturday, August 4, 2012
FAG bearing part number system
FAG bearing part number system How to read FAG part numbers: EXAMPLE: 6203.2RS.T5.C3.L19 6203 = basic bearing series and size designation. .2RS = two molded rubber seals. .T5 = ABEC-5 tolerance class. -C3 = AFBMA internal radial clearance. .L19 = Mobil 28 grease, MIL-G-81322. EXAMPLE: NU205.M.T5.S1 NU = cylindrical roller bearing, single-row, two lipped outer ring, cylindrical inner ring. 205 = basic bearing series and size designation. .M = machined brass retainer, roller guided. .T5 = RBEC-5 tolerance class. .S1 = stabilized for operating temperatures up to 390°F. s Part number system Prefix Suffix Definition . (DB) BALL BEARING SUITABLE FOR DUPLEX MOUNTING "BACK-TO-BACK". . (DF) BALL BEARING SUITABLE FOR DUPLEX MOUNTING "FACE-TO-FACE". . (DR) CYLINDRICAL ROLLER BEARING DROP ROLLER RETAINER DESIGN. . (DT) BALL BEARING SUITABLE FOR DUPLEX MOUNTING IN TANDEM. . (RY) TRACTION MOTOR BEARING SPECIFICATION. . (S...) (FOILED BY 3 DIGITS OR ONE LETTER AND TWO DIGITS) SPECIAL SPECIFICATION COVERING SELECTED AND/OR OTHER CHARACTERISTICS. . (X) BEARING WITH INCREASED SEAL TORQUE. . (Y) BEARING WITH REDUCED SEAL TORQUE . 22 TWO METAL SHIELDS. . 2HS TWO SEALS, POLYACRYLIC MATERIAL. . 2RS TWO SEALS, BUNA-N RUBBER. . 2RSR TWO SEAL, BUNA-N RUBBER, RADIAL TYPE. . 2TS TWO SEALS, FIBER GLASS FILLED TEFLON MATERIAL. . 2VS TWO SEALS, VITON® MATERIAL. . 2ZR TWO METAL SHIELDS, RADIAL TYPE. . A BALL BEARING, SINGLE-ROW, ANGULAR CONTACT 30 DEGREES. . A INTERNAL DESIGN MODIFICATION. . B BALL BEARING, SINGLE-ROW, ANGULAR CONTACT 40 DEGREES. . B INTERNAL DESIGN MODIFICATION. . C BALL BEARING, SINGLE-ROW ANGULAR CONTACT 15 DEGREES. . C INTERNAL DESIGN MODIFICATION. . C2 INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . C3 INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . C4 INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . C5 INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . CL INTERNAL RADIAL CLEARANCE DESIGNATIONS CONFORMING TO AFBMA STANDARDS, SECTION NO. 3. . DA BALL BEARING, DOUBLE-ROW WITH SPLIT INNER RING. N . E BALL BEARING, SINGLE-ROW, ANGULAR CONTACT 25 DEGREES. . E BALL OR ROLLER BEARING WITH INCREASED LOAD CAPACITY DESIGN. . F MACHINED STEEL RETAINER, ROLLING ELEMENT GUIDED. . F3 NOISE TEST SPECIFICATION. . F96 AIRCRAFT INSPECTION. . FA MACHINE STEEL RETAINER, OUTER RING GUIDED. . FB MACHINED STEEL RETAINER, INNER RING GUIDED. . G NOISE TEST SPECIFICATION. . H MACHINED FORGED BRONZE RETAINER, ROLLING ELEMENT GUIDED. . HA MACHINED FORGED BRONZE RETAINER, OUTER RING GUIDED. . HB MACHINED FORGED BRONZE RETAINER, INNER RING GUIDED. . HL SPHERICAL ROLLER BEARING WITH INCREASED LOAD CAPACITY. . HS ONE SEAL, POLYACRYLIC MATERIAL. . J STAMPED METAL RETAINER, ROLLING ELEMENT GUIDED. . K BEARING WITH TAPERED BORE, TAPER 1:12. . K30 BEARING WITH TAPERED BORE, TAPER 1:30. . L MACHINED ALUMINUM RETAINER, ROLLING ELEMENT GUIDED. . L10 SHELL ALVANIA NO. 2 GREASE, MIL-G-18709. . L12 CHEVRON SRI NO. 2 GREASE, MIL-G-3545. . L14 SHELL AEROSHELL 16 GREASE, MIL-G-25760. . L15 SHELL AEROSHELL 7 GREASE, MIL-G-23827. . L16 AMERICAN SUPERMIL ASU 31052, MIL-G-25013. . L19 MOBIL OIL, MOBIL 28 GREASE, MIL-G-81322. . L904 DIESTER INSTRUMENT OIL, MIL-L-6085. . L907 DIESTER INSTRUMENT OIL, MIL-L-6085. . L909 PETROLEUM OIL, MIL-L-7870A. . L910 PETROLEUM OIL, MIL-L-644A. . L914 PETROLEUM OIL, MIL-L-3503. . L923 SILICONE FLUID. . LA MACHINED ALUMINUM RETAINER, OUTER RING GUIDED. . LB MACHINED ALUMINUM RETAINER, INNER RING GUIDED. . M MACHINED BRASS RETAINER, ROLLING ELEMENT GUIDED. . MA MACHINED BRASS RETAINER, OUTER RING GUIDED. . MB MACHINED BRASS RETAINER, INNER RING GUIDED. . MP MACHINED BRASS RETAINER, WINDOW TYPE. . N CIRCUMFERENTIAL GROOVE ON BEARING O.D. FOR SNAP RING. . NR CIRCUMFERENTIAL GROOVE ON BEARING O.D. AND SNAP RING. . P4 ISO TOLERANCE CLASSIFICATION. . P5 ISO TOLERANCE CLASSIFICATION. . P6 ISO TOLERANCE CLASSIFICATION. . RS ONE SEAL, BUNA-N RUBBER. . RSR ONE SEAL, BUNA-N RUBBER, RADIAL TYPE. . S SPHERICAL ROLLER BEARING WITH CIRCUMFERENTIAL LUBRICATING GROOVE'IN O.D. AND HOLES IN O.R. . S2 STABILIZED FOR OPERATING TEMPERATURES UP TO 480°F. . S3 STABILIZED FOR OPERATING TEMPERATURES UP TO 570°F. . S4 STABILIZED FOR OPERATING TEMPERATURES UP TO 660°F. . SG NOISE TESTED SPECIFICATION. . SI STABILIZED FOR OPERATING TEMPERATURES UP TO 390°F. . SO STABILIZED FOR OPERATING TEMPERATURES UP TO 300°F. . SOO STABILIZED FOR OPERATING TEMPERATURES UP TO 250°F. . SP SUPER PRECISION SPECIFICATION. . T TEXTILE LAMINATED PHENOLIC RETAINER, ROLLING ELEMENT GUIDED. . T3 ABEC-3 AND KBEC-3 TOLERANCES. . T5 ABEC-5 AND RBEC-5 TOLERANCES. . T7 ABEC-7 AND RBEC-7 TOLERANCES. . T9 ABEC-9 AND RBEC-9 TOLERANCES. . TA TEXTILE LAMINATED PHENOLIC RETAINER, OUTER RING GUIDED. . TH TEXTILE LAMINATED PHENOLIC RETAINER, SNAP TYPE. . TN PLASTIC RETAINER, ROLLING ELEMENT GUIDED. . TNH PLASTIC RETAINER, SNAP TYPE. . TR TEXTILE LAMINATED PHENOLIC RETAINER, INNER RING GUIDED. . TS ONE SEAL, FIBER GLASS FILLED TEFLON MATERIAL. . UL UNIVERSAL MOUNTING AND PRELOAD. . UM SPECIFICATIONS FOR ANGULAR CONTACT. . UO BALL BEARINGS. . V FULL COMPLEMENT, RETAINERLESS BEARING. . VS ONE SEAL, VITON® MATERIAL. . Y PRESSED BRASS RETAINER, ROLLING ELEMENT GUIDED. . YP PRESSED BRASS RETAINER; WINDOW TYPE. . Z ONE METAL SHIELD. . ZR ONE METAL SHIELD, RADIAL TYPE. A . BALL BEARING, SINGLE-ROW, ANGULAR CONTACT TYPE WITH ONE RELIEVED INNER RING SHOULDER AND AN OUTER RING GUIDED RETAINER. B . BALL BEARING, SINGLE-ROW, ANGULAR CONTACT TYPE WITH ONE RELIEVED OUTER RING SHOULDER AND AN INNER RING GUIDED RETAINER. BO . MAGNETO TYPE BALL BEARING. DL . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE, METRIC LIGHT SERIES. DM . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE, METRIC MEDIUM SERIES. E . MAGNETO TYPE BALL BEARING. EW . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE. EXTRA LIGHT INCH SERIES. HW . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE. HEAVY INCH SERIES. K . AIRCRAFT CONTROL BALL BEARING, SINGLE-ROW, RADIAL. KP . AIRCRAFT CONTROL BALL BEARING, SINGLE-ROW, RADIAL. KS . AIRCRAFT CONTROL BALL BEARING, SINGLE-ROW, SELF-ALIGNING. KSP . AIRCRAFT CONTROL BALL BEARING, SINGLE-ROW, SELF-ALIGNING. L . MAGNETO TYPE BALL BEARING. LS . BALL BEARING, SINGLE-ROW, LIGHT INCH SERIES. M . MAGNETO TYPE BALL BEARING. MS . BALL BEARING, SINGLE-ROW, MEDIUM INCH SERIES. MW . BALL THRUST BEARING, SINGLE-ROW, SINGLE DIRECTION, GROOVED RACE SURFACE. MEDIUM INCH SERIES. N . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING. NJ . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP OUTER RING, ONE LIP INNER RING. NN . CYLINDRICAL ROLLER BEARING, DOUBLE-ROW, THREE LIP INNER RING, CYLINDRICAL OUTER RING, SPINDLE BEARING. NNU . CYLINDRICAL ROLLER BEARING, DOUBLE-ROW, THREE LIP INNER RING, CYLINDRICAL INNER RING, SPINDLE BEARING. NO . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP OUTER RING, CYLINDRICAL INNER RING. NUP . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP OUTER RING, TWO LIP INNER RING WITH ONE LIP SEPARABLE. QJ . BALL BEARING, SINGLE-ROW, FOUR-POINT DESIGN WITH SPLIT INNER RING. R . BALL BEARING, SINGLE-ROW, EXTRA SMALL AND EXTRA LIGHT INCH SERIES. RLS . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING, LIGHT INCH SERIES. RMS . CYLINDRICAL ROLLER BEARING, SINGLE-ROW, TWO LIP INNER RING, CYLINDRICAL OUTER RING, MEDIUM INCH SERIES. RY . TRACTION MOTOR BEARING SPECIFICATION. S . BALL BEARING, SINGLE-ROW, EXTRA WIDE SERIES. W . BALL THRUST BEARING, SINGLE-ROW. SINGLE DIRECTION, GROOVED RACE SURFACE. LIGHT INCH SERIES. X . SPECIAL BEARINGS . XA . SPECIAL BEARINGS . XB . SPECIAL BEARINGS . XF . SPECIAL BEARINGS . XH . SPECIAL BEARINGS . XJ . SPECIAL BEARINGS . XK . SPECIAL BEARINGS . XLS . BALL BEARING, SINGLE-ROW, EXTRA LIGHT SERIES. XW . BALL THRUST BEARING, SINGLE-ROW. SINGLE DIRECTION, GROOVED RACE SURFACE. EXTRA LIGHT INCH SERIES. £A . MAGNETO TYPE BALL BEARING.
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