| Prefix | Suffix | Definition |
| . | A | ALTERNATE ASSEMBLY BEARING REVERSED IN LF OR LFT HOUSING |
| . | A/P | ADAPTOR AND PLUG |
| . | AA | AN ADAPTOR AND ALEMITE |
| . | AC | AIR CONDITION HOUSING FIT, LOOSER THAN STANDARD |
| . | AF | AUXILIARY FELT FOR SF OR SFT UNIT |
| . | C | CONTACT SEAL OF BUNA-N COTTON FABRIC WASHER BOTH SIDES |
| . | D | DOUBLE LICK BEARING, UTILIZES FOUR SET SCREWS, TWO EACH SIDE OF OUTER RACE |
| . | EC | END CAP |
| . | K | KING SEALS |
| . | NT | NOISE TESTED (CARTON STAMPED ONLY) |
| . | OR | "O" RING (REPLACES STANDARD FELT IN SEALS) |
| . | R | 1/16 INCH LARGER BORE THAN STANDARD FOR SERIES (LP-20R-1-1/4 INCH BORE) |
| . | WG | WIRE GROOVE ON EXTENDED INNER RING |
| . | X-1 | FREE RUNNING BEARING W/O FELTS |
| . | Z | ZONE HARDENED EXTENDED INNER RACEWAY WITH SELF-LOCKING CUP POINT SET SCREWS |
| 2-000 | . | SPHERICAL O.D. EXTENDED INNER RING BALL UNIT, PERIMETER DIMPLE AND LUBRICATION HOLE, USED IN "NORMAL" AND "STANDRAD" DUTY UNITS |
| 3-000 | . | SPHERICAL O.D. EXTENDED INNER RING BALL BEARING UNIT, PERIMETER DIMPLE AND LUBRICATION HOLE, USED IN "MEDIUM" DUTY UNITS |
| 5200 | . | SPHERICAL O.D. EXTENDED INNER RING BALL BEARING UNIT, PERIMETER DIMPLE AND LUBRICATION HOLE, USED IN "NORMAL" AND "STANDARD" DUTY UNITS, WITH MILLIMETER BORES |
| AR | . | CYLINDRICAL O.D. BRONZE RING WITH STANDARD 2 SERIES SPHERICAL O.D. BALL BEARING ASSEMBLY |
| CRP | . | DIRECT MOUNTED CAST IRON PILLOW BLOCK WITH RUBBER GROMMET AND RB BEARING |
| E | . | BRONZE EXPANSION RING ONLY |
| EHP | . | MEDIUM DUTY PILLOW BLOCK UNIT, EXPANSION TYPE (FLOATING), WITH BRONZE EXPANSION RING AND SPHERICAL O.D. BALL BEARING |
| ER | . | STYLE "A" EXTENDED INNER RING BALL BEARING (FURNISHED WITH SNAP RING ON OUTER RACE, CYLINDRICAL O.D.) |
| ESF | . | STANDARD DUTY FLANGE UNIT WITH BRONZE EXPANSION RING AND SPHERICAL O.D. BALL BEARING ASSEMBLY--FOUR-BOLT HOLES |
| FB | . | FLANGE BRACKET UNIT WITH THREE MOUNTING HOLES FOR PROJECTED ASSEMBLIES, SPHERICAL O.D. BALL BEARING ASSEMBLY |
| HB | . | COUNTERSHAFT HANGER SELF-ALIGNING BALL BEARING UNIT FOR FOUR POINT TYPE HANGERS |
| L | . | SPHERICAL O.D. BALL BEARING ASSEMBLY, PERMANENTLY SEALED, AND USED IN "L" SERIES AND "STAMPED STEEL" SERIES UNITS |
| LF | . | LIGHT DUTY THREE-BOLT HOLED SELF-ALIGNING BALL BEARING FLANGE UNIT, MALLEABLE HOUSING AND PERMANENTLY SEALED |
| LFT | . | LIGHT DUTY TWO-BOLT HOLED SELF-ALIGNING BALL BEARING FLANGE UNIT, MALLEABLE HOUSING AND PERMANENTLY SEALED |
| LP | . | LIGHT DUTY MALLEABLE PILLOW BLOCK WITH SELF-ALIGNING, PERMANENTLY SEALED BALL BEARING UNIT |
| LPG | . | DIRECT FLOOR MOUNTED PROTECTIVE SCREW TAKE-UP FRAME WITH LP PILLOW BLOCK |
| MFC | . | MEDIUM DUTY BALL BEARING FLANGE CARTRIDGE UNIT |
| MFP | . | MEDIUM DUTY BALL BEARING PILLOW BLOCK UNIT-FOUR-BOLT HOLE BASE |
| MFPD | . | MEDIUM DOUBLE LOCK BALL BEARING PILLOW BLOCK UNIT--FOUR-BOLT HOLE BASE |
| MP | . | NORMAL DUTY BALL BEARING PILLOW BLOCK UNIT — TWO HOLE BASE |
| MP | . | MEDIUM DUTY BALL BEARING PILLOW BLOCK UNIT- -TWO -BO IT HOLE BASE |
| MPG | . | DIRECT FLOOR MOUNTED PROTECTIVE SCREW TAKE-UP FRAME WITH MP PILLOW BLOCK |
| MS FT | . | MEDIUM DUTY BALL BEARING FLANGE 'UNIT — TWO-BOLT HOLES |
| MSC | . | MEDIUM DUTY BALL BEARING CARTRIDGE UNIT |
| MSF | . | MEDIUM DUTY BALL BEARING FLANGE UNIT--FOUR-BOLT HOLES |
| MSFPD | . | MEDIUM DUTY STANDARD DOUBLE LOCK BALL BEARING PILLOW BLOCK--FOUR-BOLT HOLE BASE |
| MSPD | . | MEDIUM STANDARD DUTY DOUBLE LOCK BALL BEARING PILLOW BLOCK UNIT — TWO-BOLT HOLE BASE |
| MST | . | MEDIUM DUTY BALL BEARING TAKE-UP UNIT |
| NP-200 | . | NORMAL DUTY BALL BEARING PILLOW BLOCK UNIT, TWO-BOLT HOLE BASE, MILLIMETER BORE BEARINGS |
| NPD | . | NORMAL DUTY DOUBLE LOCK BALL BEARING PILLOW BLOCK UNIT — TWO-BOLT HOLE BASE |
| NPG | . | DIRECT FLOOR MOUNTED PROTECTIVE SCREW TAKE-UP FRAME WITH NP PILLOW BLOCK |
| RB | . | CYLINDRICAL O.D. EXTENDED INNER RING BALL BEARING USED IN RUBBER MOUNTED UNITS |
| RF | . | SEALMASTER FLANGE WITH ADAPTOR PLATE |
| S-500-M | . | NORMAL DUTY BALL BEARING PILLOW BLOCK UNIT (SHORTER BASE TO BORE CENTERLINE DIMENSION THAN NP UNITS) |
| S-OOO-M | . | SPECIAL BALL BEARING UNIT |
| SC | . | STANDARD DUTY BALL BEARING CARTRIDGE UNIT |
| SCHB | . | HANGER BALL BEARING UNIT FOR SCREW CONVEYORS (LUBRICATION THROUGH SHANK) |
| SEHB | . | HANGER BALL BEARING UNIT FOR ECCENTRIC DRIVES |
| SF | . | STANDARD DUTY BALL BEARING FLANGE UNIT--FOUR-BOLT HOLES |
| SFC | . | STANDARD DUTY BALL BEARING FLANGE CARTRIDGE UNIT |
| SFT | . | STANDARD DUTY BALL BEARING FLANGE UNIT--TWO-BOLT HOLES |
| SK | . | SPECIAL BALL BEARING ASSEMBLY |
| SL | . | CYLINDRICAL O.D. EXTENDED INNER RING BALL BEARING ASSEMBLY |
| SP | . | STANDARD DUTY BALL BEARING PILLOW BLOCK--TWO-BOLT HOLES |
| SPD | . | STANDARD DUTY DOUBLE LOCK BALL BEARING PILLOW BLOCK UNIT--TWO-BOLT HOLE BASE |
| SPG | . | DIRECT FLOOR MOUNTED PROTECTIVE SCREW TAKE-UP FRAME WITH SP PILLOW BLOCK |
| SRC | . | RUBBER MOUNTED BALL BEARING CARTRIDGE UNIT |
| SRF | . | STAMPED STEEL RUBBER MOUNTED BALL BEARING FLANGE UNIT — TWO-BOLT HOLES |
| SRP | . | STAMPED STEEL RUBBER MOUNTED BALL BEARING PILLOW BLOCK UNIT — TWO-BOLT HOLES |
| SSF | . | CIRCULAR STAMPED STEEL BALL BEARING FLANGE UNIT — THREE SQUARE BOLT HOLES |
| SSFT | . | STAMPED STEEL BALL BEARING FLANGE UNIT — TWO SQUARE BOLT HOLES |
| ST | . | STANDARD DUTY BALL BEARING TAKE-UP UNIT |
| STH | . | STANDARD DUTY STYLE "H" BALL BEARING STEEL FRAME TAKE-UP UNIT FOR WALL MOUNTING |
| STU | . | STANDARD DUTY BALL BEARING TAKE-UP UNIT FOR ANGLE MOUNTING |
| TSSF | . | TRIANGULAR STAMPED STEEL BALL BEARING FLANGE UNIT — THREE SQUARE BOLT HOLES |
