NHBB bearing

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NHBB bearing part number system

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

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PYC BEARING CO.,LTD.
ADD : Room 2207,No.1065( A)
           Zhao Jia Bang road,
          Shanghai,P.R.China
TEL : 0086-21-64692915
FAX : 0086-21-51062733
E-mail :

    sales@bearings-china.com

NHBB bearings

NHBB bearing

NHBB bearing part number system

Part number system

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