NHBB bearing part number system
NHBB bearing part number system
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EXAMPLE: S F R 188 PP EE D C8 K25
S - Stainless steel
FR - Flanged outer ring Retainer radial
188 - Basic bearing number
PP - Two shields
EE Extended inner ring
D - Two piece ribbon retainer
C8 - Change from standard dimensions
K25 - Radial play 0.0002 inch to 0.0005 inch
Part number system
| Prefix |
Suffix |
Definition |
| . |
1 |
BACK-TO-BACK DUPLEX |
| . |
2 |
FACE-TO-FACE DUPLEX |
| . |
3 |
TANDEM DUPLEX |
| . |
4 |
UNIVERSAL DUPLEX |
| . |
B |
RELIEVED LAND ON INNER OR OUTER RING. DIGITS ADDED TO INDICATE DESIGN OF RINGS AND TYPE OF RETAINER INCLUDING PHENOLIC PLASTIC |
| . |
C |
CHANGE FROM STANDARD DIMENSIONS |
| . |
D |
RIBBON RETAINER (USED ONLY WHEN BOTH CROWN OR RIBBON AVAILABLE FOR A GIVEN SIZE |
| . |
EE |
EXTENDED INNER RING |
| . |
G |
GROOVED OUTER RING |
| . |
H |
WITH THROUGH-HOLE (PIVOT TYPES) |
| . |
K |
RADIAL PLAY-FOLLOWED BY EITHER TWO OR THREE DIGITS FOR EXAMPLE: K13 RADIAL PLAY OF 0.0001 - 0.0003 K811 RADIAL PLAY OF 0.0008 - 0.0011 |
| . |
L3 |
ONE SEAL - GLASS REINFORCED TEFLON. TO INDICATE 2 SEALS USE LL3. |
| . |
L4 |
ONE SEAL - GLASS REINFORCED TEFLON WITH STAINLESS STEEL INSERT. TO DESIGNATE 2 SEALS USE LL4 . |
| . |
L5 |
ONE SEAL - SYNTHETIC RUBBER WITH INTEGRAL STAINLESS STEEL INSERT. TO DESIGNATE 2 SEALS USE LL5. |
| . |
M |
METRIC DIMENSIONS |
| . |
P |
ONE SHIELD |
| . |
P2 |
SHIELD ON SIDE OPPOSITE FLANGE |
| . |
PI |
SHIELD ON FLANGE SIDE |
| . |
PP |
TWO SHIELDS |
| . |
T |
PHENOLIC CROWN RETAINER. DIGITS ADDED TO DENOTE MATERIALS OTHER THAN PHENOLIC |
| . |
UP |
NARROW WIDTH-SINGLE SHIELD ONLY |
| . |
W |
LOW TORQUE |
| . |
Z |
SPRING SEPARATORS |
| F |
. |
FLANGED BEARINGS |
| N |
. |
BERYLLIUM COPPER |
| R |
. |
RETAINER RADIAL |
| S |
. |
STAINLESS STEEL |
|
Contact Us:
Nanjing binmei Bearing Manufacturing Co. Ltd.
Nanjing, Jiangsu, China
TEL : 0086-25-52217447
FAX : 0086-25-52300551
E-mail :
349831866@qq.com
hrbn@vip.qq.com
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