| Prefix | Suffix | Definition |
| . | 0 | POSITION 7- - OTHER (FOR NO SEPARATOR) |
| . | 0 | POSITION 8 - OTHER METHOD OF PILOTING |
| . | 1 | POSITION 7- NO GEAR WITH SPACERS |
| . | 1 | POSITION 8 - PILOT ON BORE AND OUTSIDE DIAMETER |
| . | 2 | POSITION 7- - EXTERNAL GEAR WITH SPACERS |
| . | 2 | POSITION 8 - PILOT ON BOTH LANDS |
| . | 3 | POSITION 7- - INTERNAL GEAR WITH SPACERS |
| . | 3 | POSITION 8 - PILOT BORE AND OUTER RACE LAND |
| . | 4 | POSITION 7- - NO GEAR WITH STEEL SEGMENTS |
| . | 4 | POSITION 8 - PILOT ON OUTSIDE DIAMETER AND INNER RACE LAND |
| . | 5 | POSITION 7- - EXTERNAL GEAR WITH STEEL SEGMENTS |
| . | 5 | POSITION 8 - PILOT ON BORE ONLY |
| . | 6 | POSITION 7- - INTERNAL GEAR WITH STEEL SEGMENTS |
| . | 6 | POSITION 8 - PILOT ON OUTSIDE DIAMETER ONLY |
| . | 7 | POSITION 7- - NO GEAR WITH OTHER SEPARATOR |
| . | 7 | POSITION 8 - PILOT ON INNER RACE LAND ONLY |
| . | 8 | POSITION 7- - EXTERNAL GEAR WITH OTHER SEPARATOR |
| . | 8 | POSITION 8 - PILOT ON OUTER RACE LAND ONLY |
| . | 9 | POSITION 7- - INTERNAL GEAR WITH OTHER SEPARATOR |
| . | 9 | POSITION 8 - NO PILOTS |
| . | A | POSITION 5 - BALL BEARING, PRECISION GRADE. |
| . | A | POSITION 6 - 3/4 INCH BALL DIAM |
| . | A | POSITION 9 - TWO MOLDED BUNA-N RUBBER FACE SEALS, ONE WITH CONTACT LIP ON INNER RACE AND ONE WITH CONTACT LIP ON OUTER RACE. |
| . | A | POSITION 10 - THRU HOLES BOTH RACES. |
| . | B | POSITION 5 - BALL BEARING, CONSTRUCTION GRADE. |
| . | B | POSITION 6 - 7/8 INCH BALL DIAM |
| . | B | POSITION 9 - TWO MOLDED BUNA-N RUBBER SEALS , ONE FACE SEAL WITH CONTACT LIP ON INNER RACE AND ONE LAND SEAL WITH CONTACT LIP ON OUTER RACE. |
| . | B | POSITION 10 - TAPPED HOLES BOTH RACES. |
| . | C | POSITION 5 - ROLLER BEARING, PRECISION GRADE. |
| . | C | POSITION 6 - 1 INCH BALL DIAM |
| . | C | POSITION 9 - TWO MOLDED BUNA-N RUBBER SEALS, ONE FACE SEAL WITH CONTACT LIP ON INNER RACE AND ONE LAND SEAL WITH CONTACT LIP ON OUTER RACE. |
| . | C | POSITION 10 - COUNTERBORED HOLES BOTH RACES. |
| . | D | POSITION 5 - ROLLER BEARING, CONSTRUCTION GRADE. |
| . | D | POSITION 6 - 1.1/8 INCH BALL DIAM |
| . | D | POSITION 9 - TWO MOLDED BUNA-N RUBBER SEALS , ONE FACE SEAL WITH CONTACT LIP ON OUTER RACE AND ONE LAND SEAL WITH LIP ON INNER RACE. |
| . | D | POSITION 10 - THRU HOLES INNER RACE AND TAPPED HOLES OUTER RACE. |
| . | E | POSITION 6 - 1.1/4 INCH BALL DIAM |
| . | E | POSITION 9 - TWO MOLDED BUNA-N RUBBER SEALS - ONE FACE SEAL WITH CONTACT LIP ON OUTER |
| . | E | POSITION 10 - THRU HOLES INNER RACE AND COUNTERBORED HOLES OUTER RACE. |
| . | F | POSITION 6 - 1.3/8 INCH BALL DIAM |
| . | F | POSITION 9 - ONE MOLDED BUNA-N RUBBER FACE SEAL WITH CONTACT LIP ON INNER RACE AND ONE PHENOLIC LAMINATE SHIELD. |
| . | F | POSITION 10 - THRU HOLES OUTER AND TAPPED HOLES INNER RACE. |
| . | G | POSITION 6 - 1.1/2 INCH BALL DIAM |
| . | G | POSITION 9 - ONE MOLDED BUNA-N RUBBER FACE SEAL WITH CONTACT LIP ON OUTER RACE AND ONE PHENOLIC LAMINATE SHIELD. |
| . | G | POSITION 10 - THRU HOLES OUTER AND COUNTERBORED HOLES INNER RACE. |
| . | H | POSITION 6 - 1.5/8 INCH BALL DIAM |
| . | H | POSITION 9 — ONE MOLDED BUNA-N RUBBER FACE SEAL WITH CONTACT LIP ON INNER RACE. |
| . | H | POSITION 10 - TAPPED HOLES INNER AND COUNTERBORED HOLES OUTER RACE. |
| . | J | POSITION 6 - 1.3/4 INCH BALL DIAM |
| . | J | POSITION 9 — ONE MOLDED BUNA-N RUBBER FACE SEAL WITH CONTACT LIP ON OUTER RACE. |
| . | J | POSITION 10 - TAPPED HOLES OUTER RACE AND COUNTERBORED HOLES INNER RACE. |
| . | K | POSITION 6 - 1.7/8 INCH BALL DIAM |
| . | K | POSITION 9 — TWO MOLDED BUNA-N RUBBER LAND SEALS WITH CONTACT LIPS ON INNER RACE. |
| . | K | POSITION 10 - WELD RING INNER RACE AND THRU HOLES OUTER RACE. |
| . | L | POSITION 6 - 2 INCH BALL DIAM |
| . | L | POSITION 9 - TWO MOLDED BUNA-N RUBBER LAND SEALS WITH CONTACT LIPS ON OUTER RACE. |
| . | L | POSITION 10 — WELD RING INNER RACE AND TAPPED HOLES OUTER RACE. |
| . | M | POSITION 6 - 2.1/4 INCH BALL DIAM |
| . | M | POSITION 9 — TWO MOLDED BUNA-N RUBBER LAND SEALS, ONE WITH CONTACT LIP ON INNER1 RACE AND ONE PHENOLIC LAMINATE SHIELD. |
| . | M | POSITION 10 - WELD RING INNER RACE AND COUNTERBORED HOLES OUTER RACE. |
| . | N | POSITION 6 - 2.1/2 INCH BALL DIAM |
| . | N | POSITION 10 - WELD RING OUTER RACE AND THRU HOLES INNER RACE. |
| . | P | POSITION 6 - 2.3/4 INCH BALL DIAM |
| . | P | POSITION 9 - ONE MOLDED BUNA-N RUBBER LAND SEAL WITH CONTACT LIP ON OUTER RACE AND ONE PHENOLIC LAMINATE SHIELD. |
| . | P | POSITION 10 - WELD RING OUTER RACE AND TAPPED HOLES INNER RACE. |
| . | Q | POSITION 6 - 3 INCH BALL DIAM |
| . | Q | POSITION 9 - ONE MOLDED BUNA-N RUBBER LAND SEAL WITH CONTACT LIP ON INNER RACE. |
| . | Q | POSITION 10 - WELD RING OUTER RACE AND COUNTERBORED HOLES INNER RACE. |
| . | R | POSITION 9 - ONE MOLDED BUNA-N RUBBER LAND SEAL WITH CONTACT LIP ON OUTER RACE. |
| . | S | POSITION 9 - TWO PHENOLIC LAMINATE SHIELDS. |
| . | T | POSITION 9 - ONE PHENOLIC LAMINATE SHIELD. |
| . | U | POSITION 9 - NO .SEALS. |
| . | Z | POSITION 9 - OTHER. |
| . | Z | POSITION 10 - OTHER. |
| A | . | RACE SECTION FROM CATALOGUE 320 |
| B | . | RACE SECTION FROM CATALOGUE 320 |
| C | . | RACE SECTION FROM CATALOGUE 320 |
| D | . | RACE SECTION FROM CATALOGUE 320 |
| E | . | RACE SECTION FROM CATALOGUE 320 |
| F | . | RACE SECTION FROM CATALOGUE 320 |
| G | . | RACE SECTION FROM CATALOGUE 320 |
| H | . | RACE SECTION OF CATALOGUE T-220 |
| J | . | RACE SECTION OF CATALOGUE T-220 |
| L | . | RACE SECTION OF CATALOGUE T-220 |
| P | . | RACE SECTION OF CATALOGUE T-220 |
| S | . | MODIFIED RACE SECTION OF CVATALOGIE T-220 |
| T | . | MODIFIED RACE SECTION OF CVATALOGIE T-220 |
| V | . | MODIFIED RACE SECTION OF CVATALOGIE T-220 |
| W | . | MODIFIED RACE SECTION OF CVATALOGIE T-220 |
