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How to read NDH metric cylindrical roller bearing numbers:
EXAMPLE: A1305TS
A-TS Cylindrical roller bearing, cylindrical outer ring with roller complement, "separator and retainment rings, cylindrical separable inner ring
EXAMPLE: BU1307Z
BU-Z Cylindrical roller bearing, separable cylindrical outer ring, two lip inner ring, rollers and cage. Basic bearing number
(Above does not apply to journal, wound, barrel or taper series)
Part number system
| Prefix |
Suffix |
Definition |
| . |
B |
ROLLERS AND CAGE CONTAINED BY OUTER RING, CYLINDRICAL ROLLER BEARING |
| . |
F |
OUTER RING O.D. DOWEL HOLE. |
| . |
G |
OUTER RING O.D. SNAP RING GROOVE |
| . |
KA |
SAME AS PREFIX KA EXCEPT FOR OUTER RING |
| . |
L |
ONE LIP OUTER RING, CYLINDRICAL ROLLER BEARING |
| . |
M |
FULL COMPLEMENT OF ROLLERS, ON RETAINER (CAGE, SEPARATOR), CYLINDRICAL RGLLER BEARING |
| . |
P |
PRECISION GRADE RBEC-5 VARIANTS OF HIGHER ACCURACY ARE SYMBOLED PA, PB, ETC. IN ORDER OF THEIR OCCURRENCE |
| . |
PA |
SEE SUFFIX P |
| . |
PB |
SEE SUFFIX P |
| . |
RZ |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS , NO INNER RING |
| . |
S |
RETAINER (CAGE, SEPARATOR) TYPE CYLINDRICAL ROLLER BEARING |
| . |
SZ |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS , NO INNER RING |
| . |
T |
CYLINDRICAL OUTER RING, CYLINDRICAL ROLLER BEARING, WITH TWO ROLLER RETAINMENT RINGS |
| . |
TM |
CYLINDRICAL ROLLER BEARING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS, NO INNER RING, FULL COMPLEMENT OF ROLLERS |
| . |
TS |
CYLINDRICAL ROLLER BEARING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS, WITH CAGE (RETAINER), NO INNER RING |
| . |
W |
OUTER RING ONLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE |
| . |
W |
TWO LIP OUTER RING, CYLINDRICAL ROLLER BEARING |
| . |
WB |
CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, CAGE (RETAINER) TYPE, NO INNER RING |
| . |
Y |
OUTER RACE ONLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE |
| . |
Y |
ONE LIP OUTER RING, CYLINDRICAL ROLLER BEARING, WITH ONE ROLLER RETAIN-MENT RING |
| . |
YM |
CYLINDRICAL ROLLER BEARING, ONE LIP OUTER RING WITH ONE ROLLER RETAIN-MENT RING, NO INNER RING, FULL COMPLEMENT OF ROLLERS |
| . |
YS |
CYLINDRICAL ROLLER BEARING, ONE LIP OUTER RING WITH ONE ROLLER RETAIN-MENT RING, CAGE (RETAINER) TYPE, NO INNER RING |
| . |
Z |
OUTER RING ONLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE |
| . |
Z |
CYLINDRICAL OUTER RING, CYLINDRICAL ROLLER BEARING |
| . |
ZA |
CYLINDRICAL OUTER RING, CYLINDRICAL ROLLER BEARING, WITH SPECIAL DETAILS OR CONSTRUCTION |
| . |
ZB |
CYLINDRICAL OUTER RING, CYLINDRICAL ROLLER BEARING, WITH SPECIAL DETAILS OR CONSTRUCTION |
| . |
ZD |
DOUBLE CUP, TAPERED ROLLER BEARING |
| .TM |
. |
JOURNAL ROLLER BEARING, NOTCHED INNER RING CONSTRUCTION, SPECIAL WIDTH |
| A |
. |
INNER RING ONLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT |
| A |
. |
CYLINDRICAL INNER RING, CYLINDRICAL ROLLER BEARING (E.G. A1205) VARIANTS FROM STANDARD ARE LABELLED AB , AC, ETC. |
| A |
TS |
CYLINDRICAL ROLLER BEARING: CYLINDRICAL OUTER RING WITH CAGE, ROLLER COMPLEMENT AND TWO ROLLER RETAINMENT RINGS, CYLINDRICAL SEPARABLE INNER RING |
| A |
WB |
CYLINDRICAL ROLLER BEARING: TWO LIP OUTER RING, SEPARABLE CYLINDRICAL INNER RING, WITH RETAINER (CAGE) |
| A |
Z |
SELF-ALIGNING ROLLER BEARING, NON-SEPARABLE, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS |
| A |
ZK |
SELF -ALIGNING ROLLER BEARING, NON-SEPARABLE, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS |
| A-62 |
TS |
CYLINDRICAL ROLLER BEARING: CYLINDRICAL OUTER RING WITH DOUBLE-ROW OF CAGED ROLLERS AND TWO ROLLER RETAINMENT RINGS, SEPARABLE CYLINDRICAL INNER RING |
| B |
. |
INNER RING ONLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE |
| B |
. |
ROLLERS AND CAGE CONTAINED BY INNER RING, CYLINDRICAL ROLLER BEARING |
| B |
YK |
SELF-ALIGNING ROLLER BEARING, NON-SEPARABLE, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS |
| BU |
. |
CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, CAGE AND ROLLERS, NOT OUTER RING |
| BU |
L |
CYLINDRICAL ROLLER BEARING, ONE LIP OUTER RING, TWO LIP INNER RING, ROLLERS AND CAGE , OUTER RING SEPARABLE |
| BU |
Z |
CYLINDRICAL ROLLER BEARING, CYLINDRICAL OUTER RING, TWO LIP INNER RING, ROLLERS AND CAGE , OUTER RING SEPARABLE |
| C |
. |
JOURNAL ROLLER BEARING, OUTER RING AND ROLLER ASSEMBLY INNER RING OMITTED |
| CD |
. |
DOUBLE WIDE SERIES JOURNAL ROLLER BEARING WITHOUT INNER RING |
| CSD |
. |
SPECIAL DIMENSIONED, DOUBLE WIDE SERIES JOURNAL ROLLER BEARING WITHOUT INNER RING |
| CSW |
. |
SPECIAL DIMENSIONED WIDE SERIES JOURNAL ROLLER BEARING WITHOUT INNER RING |
| CW |
. |
WIDE SERIES JOURNAL ROLLER BEARING WITHOUT INNER RING |
| D |
. |
INNER RACE ONLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE |
| D |
. |
DOUBLE WIDTH SERIES JOURNAL ROLLER BEARING |
| DIR |
. |
DOUBLE WIDTH SERIES INNER RING JOURNAL ROLLER BEARING |
| DOR |
. |
DOUBLE WIDTH SERIES OUTER RING JOURNAL ROLLER BEARING |
| E |
. |
CONE SPACER, TAPERED ROLLER BEARING |
| E |
. |
JOURNAL ROLLER BEARING, INNER RING AND ROLLER ASSEMBLY, NO OUTER RING |
| EA |
ZD |
TAPERED ROLLER BEARING, DOUBLE-ROW OF ROLLERS |
| EB |
ZD |
TAPERED ROLLER BEARING, DOUBLE-ROW OF ROLLERS |
| ED |
. |
JOURNAL ROLLER BEARING, DOUBLE-WIDTH SERIES, OUTER RING OMITTED |
| EN |
. |
JOURNAL ROLLER BEARING, NARROW SERIES, OUTER RING OMITTED |
| G |
. |
INNER RACE ONLY, SELF -ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE |
| H |
. |
INNER RING ONLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE |
| HP |
. |
JOURNAL ROLLER BEARING, ROLLER ASSEMBLY AND MILL TREATED, PLANISHED, SPLIT TYPE, OUTER RING |
| IR |
. |
INNER RING, JOURNAL ROLLER BEARING |
| J |
. |
SEPARABLE LIP, INNER RING CYLINDRICAL ROLLER BEARING (SEE JRN AND RN) |
| JRN |
. |
INNER RING, CYLINDRICAL ROLLER BEARING, TWO LIPPED, ONE LIP SEPARABLE |
| JRN |
WB |
CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, TWO LIP INNER RING, ONE LIP OF INNER RING SEPARABLE RETAINER (CAGE) TYPE |
| KA |
. |
INNER RING AND ROLLER ASSEMBLY, SELF-ASSEMBLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE BARREL SHAPED ROLLERS |
| KA |
Z |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS COMPLETED WITH OUTER AND INNER RING AND ROLLER ASSEMBLY, OUTER RING SEPARABLE |
| KB |
. |
INNER RING AND ROLLER ASSEMBLY, SELF -ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL ROLLERS |
| KB |
W |
SELF-ALIGNING ROLLER BEARING, SEPARABLE OUTER RING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS |
| KB |
Y |
SELF -ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS, SEPARABLE OUTER RING |
| KB |
Z |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS, SEPARABLE OUTER RING |
| KC |
. |
INNER RING AND ROLLER ASSEMBLY FOR SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS |
| KC |
Y |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS , SEPARABLE OUTER RING |
| KC |
Z |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS , SEPARABLE OUTER RING |
| KD |
. |
INNER RING AND ROLLER ASSEMBLY FOR SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT, BARREL SHAPED ROLLERS |
| KD |
Y |
SELF -ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS, SEPARABLE OUTER RING |
| KD |
Z |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT, BARREL SHAPED ROLLERS, SEPARABLE OUTER RING |
| KG |
. |
INNER RING AND ROLLER ASSEMBLY FOR SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT, BARREL SHAPED ROLLERS |
| KG |
W |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS, SEPARABLE OUTER RING |
| KG |
Z |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS, SEPARABLE OUTER RING |
| KH |
. |
SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT, BARREL SHAPED ROLLERS, SEPARABLE OUTER RING |
| KH |
. |
INNER RING AND ROLLER ASSEMBLY FOR SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT, BARREL SHAPED ROLLERS |
| KL |
. |
INNER RING AND ROLLER ASSEMBLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS |
| KL |
W |
SELF -ALIGNING ROLLER BEARING, ANGULAR CONTACT, BARREL SHAPED ROLLERS, SEPARABLE OUTER RING |
| L |
. |
INNER RING ONLY, SELF-ALIGNING ROLLER BEARING, ANGULAR CONTACT TYPE |
| M |
. |
JOURNAL ROLLER BEARING, SPECIAL WIDTH, WOUND ROLLERS |
| MC |
. |
SPECIAL WIDTH JOURNAL ROLLER BEARING WITHOUT INNER RING, WOUND ROLLERS |
| MIR |
. |
INNER RIRFG,- SPECIAL WIDTH JOURNAL ROLLER BEARING |
| MOR |
. |
OUTER RING, SPECIAL WIDTH, JOURNAL ROLLER BEARING |
| MRA |
. |
ROLLER ASSEMBLY, JOURNAL ROLLER BEARING, WOUND ROLLERS, SPECIAL WIDTH |
| N |
. |
JOURNAL ROLLER BEARING, NARROW SERIES |
| NC |
. |
NARROW SERIES JOURNAL ROLLER BEARING WITHOUT INNER RING |
| NIR |
. |
INNER RING JOURNAL ROLLER BEARING, NARROW SERIES |
| NOR |
. |
OUTER RING JOURNAL ROLLER BEARING, NARROW SERIES |
| NRA |
. |
ROLLER ASSEMBLY, JOURNAL ROLLER BEARING, NARROW SERIES |
| OR |
. |
OUTER RING JOURNAL ROLLER BEARING |
| P |
. |
SEPARABLE INNER RING LIP, ADAPTED FOR USE WITH RR TYPE INNER RING (SEE PRR AND RR) |
| PRR |
. |
INNER RING, CYLINDRICAL ROLLER BEARING, TWO LIPPED, ONE LIP SEPARABLE AND EXTENDED' |
| PRR |
WB |
CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, TWO LIP INNER RING, ONE INNER RING LIP SEPARABLE AND EXTENDED |
| PRR |
WB |
CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, TWO LIP INNER RING, ONE LIP OF INNER RING SEPARABLE AND EXTENDS BEYOND OUTER RING RETAINER (CAGE TYPE) |
| R |
. |
ONE LIPPED INNER RING, CYLINDRICAL ROLLER BEARING |
| R |
TS |
CYLINDRICAL ROLLER BEARING, ONE LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS , CAGE (RETAINER) TYPE |
| R |
WB |
CYLINDRICAL ROLLER BEARING, TWO LIP OUTER RING, ONE LIP INNER RING CAGE (RETAINER) TYPE |
| R |
YS |
CYLINDRICAL ROLLER BEARING, ONE LIP OUTER RING WITH ONE ROLLER RETAINMENT RING, ONE LIP INNER RING CAGE (RETAINER) TYPE |
| RA |
. |
ROLLER ASSEMBLY, JOURNAL ROLLER BEARING |
| RR |
. |
INNER RING, CYLINDRICAL ROLLER BEARING, ADAPTED TO RECEIVE SEPARABLE "P" TYPE LIP (SEE PRR) |
| RW |
. |
INNER RING, CYLINDRICAL ROLLER BEARING, ONE LIP ADAPTED TO RECEIVE SEPARABLE SECOND "J" TYPE LIP- SEE JRN PREFIX |
| S |
. |
SPECIAL DIMENSIONS, JOURNAL ROLLER BEARING OR COMPONENT PARTS |
| S |
. |
JOURNAL ROLLER BEARING, SOLID OUTER RING AND ROLLER ASSEMBLY, NO INNER RING |
| SD |
. |
SPECIAL DIMENSIONED DOUBLE WIDE SERIES, JOURNAL ROLLER BEARING |
| SDIR |
. |
INNER RING, SPECIAL DIMENSIONED DOUBLE WIDE SERIES, JOURNAL ROLLER BEARING |
| SDOR |
. |
OUTER RING, SPECIAL DIMENSIONED DOUBLE WIDE SERIES, JOURNAL ROLLER BEARING |
| SDRA |
. |
ROLLER ASSEMBLY, SPECIAL DIMENSIONED DOUBLE WIDE SERIES, JOURNAL ROLLER BEARING |
| SIR |
. |
SPECIAL DIMENSIONS, INNER RING JOURNAL ROLLER BEARING |
| SOR |
. |
SPECIAL DIMENSIONS, OUTER RING JOURNAL ROLLER BEARING |
| SW |
. |
SPECIAL DIMENSIONED, WIDE SERIES, JOURNAL ROLLER BEARING |
| SWIR |
. |
SPECIAL DIMENSIONED, WIDE SERIES, INNER RING, JOURNAL ROLLER BEARING |
| SWOR |
. |
SPECIAL DIMENSIONED, WIDE SERIES, OUTER RING, JOURNAL ROLLER BEARING |
| SWRA |
. |
SPECIAL DIMENSIONED, WIDE SERIES, ROLLER ASSEMBLY, JOURNAL ROLLER BEARING |
| T |
. |
NOTCHED INNER RACE CONSTRUCTION, JOURNAL ROLLER BEARING |
| TA |
Z |
SELF-ALIGNING ROLLER BEARING, DOUBLE-ROW OF ROLLERS, NON-SEPARABLE, ANGULAR CONTACT TYPE, BARREL SHAPED ROLLERS |
| TMIR |
. |
NOTCHED INNER RACE, JOURNAL ROLLER BEARING, SPECIAL WIDTH |
| TSIR |
. |
NOTCHED INNER RING, JOURNAL ROLLER BEARING |
| TSW |
. |
JOURNAL ROLLER BEARING, SPECIAL DIMENSIONED WIDE SERIES, NOTCHED INNER RING CONSTRUCTION |
| TSWIR |
. |
NOTCHED INNER RING/ SPECIAL DIMENSIONED WIDE SERIES, JOURNAL ROLLER BEARING |
| TW |
. |
JOURNAL ROLLER BEARING, WIDE SERIES, NOTCHED INNER RING CONSTRUCTION |
| TWIR |
. |
NOTCHED INNER RING, WIDE SERIES, JOURNAL ROLLER BEARING |
| TX |
. |
NOTCHED INNER RING CONSTRUCTION, JOURNAL ROLLER BEARING |
| TXW |
. |
NOTCHED INNER RING CONSTRUCTION, WIDE SERIES, JOURNAL ROLLER BEARING |
| U |
. |
TWO LIPPED INNER RING CYLINDRICAL ROLLER BEARING |
| U |
TM |
CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS, FULL COMPLEMENT OF ROLLERS |
| U |
TS |
CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, CYLINDRICAL OUTER RING WITH TWO ROLLER RETAINMENT RINGS, CAGE (RETAINER) TYPE |
| U |
W |
CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, TWO LIP OUTER RING, RETAINER (CAGE TYPE) , NON-SEPARABLE |
| U |
YM |
CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, ONE LIP OUTER RING WITH ONE ROLLER RETAINMENT RING, FULL COMPLEMENT OF ROLLERS |
| U |
YS |
CYLINDRICAL ROLLER BEARING, TWO LIP INNER RING, ONE LIP OUTER RING WITH ONE ROLLER RETAINMENT RING, CAGE (RETAINER) TYPE |
| W |
. |
JOURNAL ROLLER BEARING, WIDE SERIES (200 SERIES ONLY) |
| WIR |
. |
INNER RING, JOURNAL ROLLER BEARING, WIDE SERIES |
| WOR |
. |
OUTER RING, JOURNAL ROLLER BEARING, WIDE SERIES |
| WRA |
. |
ROLLER ASSEMBLY, WIDE SERIES, JOURNAL ROLLER BEARING |
| X |
X |
ADDITIONAL SUFFIXES AND PREFIXES TO INDICATE SPECIAL OR EXPERIMENTAL CONSTRUCTION OR DETAIL |
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Bearing >Bearing Numbers > New Departure Hyatt Cylindrical