| Prefix |
Suffix |
Definition |
| . |
(0) |
AFBMA RANGE 0 |
| . |
(2) |
AFBMA RANGE 2 |
| . |
(3) |
AFBMA. RANGE 3 |
| . |
(4) |
AFBMA RANGE 4 |
| . |
DB |
BACK-TO-BACK MOUNTING |
| . |
DF |
FACE-TO-FACE MOUNTING |
| . |
DT |
TANDEM MOUNTING |
| . |
DU |
UNIVERSAL DUPLEX |
| . |
LD |
NO LUBRICATION OR DRY BEARINGS |
| . |
LG |
GREASE LUBRICATION |
| . |
LGP |
GREASE PLATED |
| . |
LO |
OIL LUBRICATION |
| . |
LOG |
OIL LUBRICATION AND THE BEARING CENTRIFUGED |
| . |
LOV |
OIL VACUUM IMPREGNATED INTO THE RETAINER |
| . |
LOVC |
OIL VACUUM IMPREGNATED INTO THE RETAINER AND CENTRIFUGED TO REMOVE EXCESS |
| . |
LY |
OTHER MPB-APPROVED LUBRICANTS |
| . |
P |
PRECISION |
| . |
P3 |
ABEC-3, KBEC-3 |
| . |
P5 |
ABEC-5, RBEC-5 |
| . |
P7 |
ABEC-7, RBEC-7 |
| . |
PI |
ABEC-1, RBEC-1 |
| . |
S |
INDUSTRIAL QUALITY |
| . |
SU |
SUPER ULTRA-PRECISION (ABEC-7P OR -7T) |
| . |
U |
ULTRA-PRECISION (ABEC-5P OR -5T) |
| 3 |
. |
SPECIAL MATERIAL 440C |
| 5 |
. |
SPECIAL MATERIAL M50 PRIMARY LEVEL PREFIXES (BEARING TYPE) |
| A |
. |
ALTERNATE UNDERSIZE BALL SPACERS |
| B |
. |
MACHINED BRONZE RETAINER |
| D |
. |
COMMERCIAL QUALITY INCH DIMENSION DOUBLE-ROW THIN SECTION BALL BEARING |
| DD |
. |
MOLDED LIP SHIELDS |
| F |
. |
FULL BALL COMPLEMENT |
| H |
. |
METRIC DIMENSION PRECISION BALL BEARINGS |
| H |
. |
MACHINED STEEL |
| HA OR HAD |
. |
ANGULAR CONTACT |
| HD |
. |
DEEP GROOVE, FRACTURED RACE |
| HK OR HKD |
. |
CONRAD |
| HT |
. |
TWO PIECE INNER |
| L |
. |
TEFLON TUBE SPACERS |
| LL |
. |
LOW TORQUE LABYRINTH SEAL |
| M |
. |
MOLDED PLASTIC RETAINER |
| O |
. |
TEFLON 0-RING SPACERS |
| P |
. |
SPRING SPACERS |
| R |
. |
METRIC DIMENSION PRECISION ROLLER BEARINGS |
| R |
. |
MACHINED PHENOLIC RETAINER |
| RAA |
. |
1 GUIDE FLANGE ON INNER RACE 1 GUIDE FLANGE ON OUTER RACE |
| RF |
. |
2 GUIDE FLANGES ON INNER RACE 1 GUIDE FLANGE ON OUTER RACE |
| RJ |
. |
1 GUIDE FLANGE ON INNER RACE 2 GUIDE FLANGES ON OUTER RACE |
| RN |
. |
* 2 GUIDE FLANGES ON INNER RACE 0 GUIDE FLANGES ON OUTER RACE |
| RNH |
. |
2 GUIDE FLANGES ON INNER RACE, NO OUTER |
| ROO |
. |
RETAINER AND ROLLER SET ONLY |
| RU |
. |
0 GUIDE FLANGES ON INNER RACE 2 GUIDE FLANGES ON OUTER RACE |
| RUS |
. |
2 GUIDE FLANGES ON OUTER RACE, NO INNER |
| RY |
. |
RY WITH SNAP RING RETENTION |
| S |
. |
COMMERCIAL QUALITY INCH DIMENSION SINGLE-ROW THIN SECONDARY LEVEL PREFIXES (SEPARATORS) SECTION BALL BEARING |
| S |
. |
STAMPED STEEL ONE PIECE RETAINER |
| S |
. |
SINGLE SHIELD |
| SS |
. |
DOUBLE SHIELD |
| T |
. |
INCH DIMENSION, INSTRUMENT PRECISION OR AIRFRAME SERIES+C982 SERIES |
| T |
. |
STAMPED RIBBON RETAINER |
| TA |
. |
THIN SECTION, ANGULAR CONTACT, EQUAL WIDTH INNER AND OUTER RACE |
| TAG |
. |
THIN SECTION, ANGULAR CONTACT, EXTENDED INNER RACE |
| TC |
. |
THIN SECTION, SINGLE FRACTURED OUTER RACE, EXTENDED INNER RACE |
| TCN |
. |
THIN SECTION, SINGLE FRACTURED OUTER RACE, EQUAL RACE WIDTH INNER AND OUTER |
| TK |
. |
THIN SECTION, CONRAD, EQUAL NARROW WIDTH RACES |
| TKC |
. |
THIN SECTION, CONRAD, EXTENDED INNER RACE |
| TKE |
. |
THIN SECTION, CONRAD, EQUAL WIDE WIDTH RACES |
| TON |
. |
THIN SECTION, SINGLE FRACTURED, INTEGRAL SHIELDS, AND OUTER RACE EQUAL WIDTH INNER |
| TW |
. |
THIN SECTION, SINGLE FRACTURED, INTEGRAL SHIELDS, EXTENDED INNER RACE |
| Z |
. |
SILICON-IRON-BRONZE RETAINER |
| Z |
. |
SINGLE SEAL |
| ZZ |
. |
DOUBLE SEAL |
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