Kaydon® Reali-Slim bearings are marked for complete identification with coded numeric and alphabetic characters. Bearings which cannot be identified by code are marked only with a five digit number.
. Radial contact (type C) and four-point contact (type X) bearings, of all precision classes, having standard catalog internal clearance.
. Single angular contact (type A) bearings of all precision classes. Nine characters
. Radial contact (type C) and four-point contact (type X) bearings, of all precision classes, having non-standard internal clearance or preload.
. Duplexed angular contact (type A) bearings of all precision classes.
| Prefix | Suffix | Definition |
| . | . | BONDED TO PHENOLIC LAMINATE |
| . | 0 | KAYDON PRECISION CLASS 1 |
| . | 3 | KAYDON PRECISION CLASS 3 |
| . | 5 | KAYDON PRECISION CLASS 5 |
| . | 7 | KAYDON PRECISION CLASS 7 |
| . | 8 | OTHER |
| . | A | 0.0000 TO 0.0005 DIAMETRAL CLEARANCE (BEARING TYPES C AND X) |
| . | A | MACHINED ALUMINUM RIVETED TWO-PIECE RING FOR CONRAD ASSEMBLED BEARINGS OR ONE-PIECE CIRCULAR POCKET RING FOR ANGULAR CONTACT BEARINGS. |
| . | A | ANGULAR CONTACT SINGLE BEARING (NOT GROUND FOR UNIVERSAL DUPLEXING) |
| . | B | .0000 TO .0010 DIAMETRAL CLEARANCE (BEARING TYPES C AND X) |
| . | B | SAME AS A EXCEPT MATERIAL IS BRONZE. |
| . | B | ANGULAR CONTACT PAIR - DUPLEXED BACK-TO-BACK |
| . | C | .0005 TO .0010 DIAMETRAL CLEARANCE (BEARING TYPES C AND X) |
| . | C | STEEL, SEGMENTAL, "SNAP-OVER" TYPE. |
| . | C | RADIAL CONTACT |
| . | D | .0005 TO .0015 DIAMETRAL CLEARNACE (BEARING TYPES C AND X) |
| . | D | PHENOLIC LAMINATE ONE-PIECE RING "SNAP-OVER" TYPE. |
| . | E | .0010 TO .0020 DIAMETRAL CLEARANCE (BEARING TYPES C AND X) |
| . | E | BRONZE, SEGMENTAL "SNAP-OVER" TYPE. |
| . | F | 0.0015 TO 0.0025 DIAMETRAL CLEARANCE (BEARING TYPES C AND X) |
| . | F | FULL COMPLEMENT BEARING - NO SEPARATOR. |
| . | F | ANGULAR CONTACT PAIR - DUPLEXED FACE-TO-FACE |
| . | G | .0020 TO .0030 DIAMETRAL CLEARANCE (BEARING TYPES C AND X) |
| . | G | NYLON ONE-PIECE RING, CIRCULAR POCKET. |
| . | H | .0030 TO .0040 DIAMETRAL CLEARANCE (BEARING TYPES C AND X) |
| . | H | PHENOLIC LAMINATE, ONE-PIECE RING WITH CIRCULAR POCKETS. |
| . | I | .0040 TO .0050 DIAMETRAL CLEARANCE (BEARING TYPES C AND X) |
| . | J | .0050 TO .0060 DIAMETRAL CLEARANCE (BEARING TYPES C AND X) |
| . | J | NYLON ONE-PIECE STRIP SEPARATOR, CIRCULAR POCKETS. |
| . | K | .0.0000 TO 0.0005 DIAMETRAL PRELOAD (BEARING TYPES C AND X) |
| . | K | PHENOLIC LAMINATE, RIVETED TWO-PIECE RING. |
| . | L | .0000 TO .0010 DIAMETRAL PRELOAD (BEARING TYPES C AND X) |
| . | L | NYLON, ONE-PIECE RING "SNAP-OVER" TYPE. |
| . | M | .0005 TO .0010 DIAMETRAL PRELOAD (BEARING TYPES C AND X) |
| . | M | FORMED WIRE, STRIP OR SEGMENTAL, "SNAP-OVER" TYPE, BALL IN EVERY POCKET. |
| . | N | .0005 TO .0015 DIAMETRAL PRELOAD (BEARING TYPES C AND X) |
| . | N | NYLON, SEGMENTAL "SNAP-OVER" .TYPE. |
| . | O | SAME AS "A" EXCEPT MATERIAL IS STAINLESS STEEL. |
| . | P | .0010 TO .0020 DIAMETRAL PRELOAD (BEARING TYPES C AND X) |
| . | P | STANDARD FORMED RING "SNAP-OVER" TYPE (MATERIAL - BRONZE OR STEEL) . |
| . | R | 0.0015 TO 0.0025 DIAMETRAL PRELOAD (BEARING TYPES C AND X) |
| . | R | BRONZE, FORMED RING, CIRCULAR POCKETS. |
| . | S | .0020 TO .0030 DIAMETRAL PRELOAD (BEARING TYPES C AND X) |
| . | S | HELICAL COIL SPRINGS. |
| . | T | .0030 TO .0040 DIAMETRAL PRELOAD (BEARING TYPES C AND X) |
| . | T | STAINLESS STEEL, FORMED RING "SNAP-OVER" TYPE. |
| . | T | ANGULAR CONTACT PAIR - DUPLEXED TANDEM |
| . | U | .0040 TO .0050 DIAMETRAL PRELOAD (BEARING TYPES C AND X) |
| . | U | STAINLESS STEEL, FORMED RING CIRCULAR POCKETS . |
| . | U | ANGULAR CONTACT SINGLE BEARING - GROUND FOR UNIVERSAL DUPLEXING |
| . | V | - Z. CLEARANCE OR PRELOAD NOT DEFINED ABOVE . |
| . | V | ALUMINUM, FORMED RING "SNAP-OVER" TYPE. |
| . | W | FORMED WIRE, STRIP OR SEGMENTAL, "SNAP-OVER" TYPE. |
| . | X | FOUR-POINT CONTACT |
| . | Y | ALUMINUM, FORMED RING, CIRCULAR POCKETS. |
| . | Z | OTHER. |
| . | Z | OTHER |
| A | . | 0.187 X 0.187 OR .250 X .250 |
| B | . | .312 X .312 |
| C | . | .375 X .375 |
| C | . | CEVR 52100 STEEL WITH NO SEALS OR SHIELDS |
| D | . | .500 X .500 |
| D | . | CDVD 52100 STEEL WITH ONE SHIELD - PHENOLIC LAMINATE |
| E | . | .625 X .625 |
| E | . | CDVD 52100 STEEL WITH TWO SHIELDS - PHENOLIC LAMINATE |
| F | . | .750 X .750 |
| F | . | CDVD 52100 -STEEL WITH ONE SEAL - BUNA-N |
| G | . | 1.000 X 1.000 |
| G | . | CDVD 52100 STEEL WITH TWO SEALS - BUNA-N BONDED TO PHENOLIC LAMINATE |
| H | . | *0.187 X 0.250 OR .250 X .312 |
| H | . | CDVD 52100 STEEL WITH ONE SEAL - MOLDED BUNA-N STEEL REINFORCED |
| I | . | .312 X .375 |
| J | . | .375 X .437 |
| J | . | CDVD 52100 STEEL WITH TWO SEALS - MOLDED BUNA-N STEEL REINFORCED |
| K | . | 0.500 X 0.578 |
| K | . | CDVD 52100 STEEL WITH NO SEALS OR SHIELDS |
| L | . | .625 X .727 |
| M | . | .750 X .875 |
| M | . | M-50 STEEL WITH NO SEALS OR SHIELDS |
| N | . | 1.000 X 1.187 |
| S | . | *0.250 X 0.312 OR .250 X .375 |
| S | . | 440C STAINLESS STEEL WITH NO SEALS OR SHIELDS |
| T | . | .312 X .437 |
| U | . | .375 X .500 |
| V | . | .500 X .656 |
| W | . | .625 X .828 |
| X | . | .750 X 1.000 |
| Y | . | 1.000 X 1.375 |
| Z | . | OTHER |
