Kaydon bearing

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Kaydon® bearing part number system

Kaydon® Reali-Slim bearings are marked for complete identification with coded numeric and alphabetic characters. Bearings which cannot be identified by code are marked only with a five digit number.

CODED BEARINGS ARE MARKED AS FOLLOWS:
Eight characters

. Radial contact (type C) and four-point contact (type X) bearings, of all precision classes, having standard catalog internal clearance.

. Single angular contact (type A) bearings of all precision classes. Nine characters

. Radial contact (type C) and four-point contact (type X) bearings, of all precision classes, having non-standard internal clearance or preload.

Ten characters

. Duplexed angular contact (type A) bearings of all precision classes.

Position	1	2	3	4	5	6	7	8	9	10
Nomenclature	Material	Series	Size			Type	Separator	Precision	Internal fit
Typical part no.	K	G	1	2	O	B	H	5	V	J

Part number system

Prefix	Suffix	Definition
.	.	BONDED TO PHENOLIC LAMINATE
.	0	KAYDON PRECISION CLASS 1
.	3	KAYDON PRECISION CLASS 3
.	5	KAYDON PRECISION CLASS 5
.	7	KAYDON PRECISION CLASS 7
.	8	OTHER
.	A	0.0000 TO 0.0005 DIAMETRAL CLEARANCE (BEARING TYPES C AND X)
.	A	MACHINED ALUMINUM RIVETED TWO-PIECE RING FOR CONRAD ASSEMBLED BEARINGS OR ONE-PIECE CIRCULAR POCKET RING FOR ANGULAR CONTACT BEARINGS.
.	A	ANGULAR CONTACT SINGLE BEARING (NOT GROUND FOR UNIVERSAL DUPLEXING)
.	B	.0000 TO .0010 DIAMETRAL CLEARANCE (BEARING TYPES C AND X)
.	B	SAME AS A EXCEPT MATERIAL IS BRONZE.
.	B	ANGULAR CONTACT PAIR - DUPLEXED BACK-TO-BACK
.	C	.0005 TO .0010 DIAMETRAL CLEARANCE (BEARING TYPES C AND X)
.	C	STEEL, SEGMENTAL, "SNAP-OVER" TYPE.
.	C	RADIAL CONTACT
.	D	.0005 TO .0015 DIAMETRAL CLEARNACE (BEARING TYPES C AND X)
.	D	PHENOLIC LAMINATE ONE-PIECE RING "SNAP-OVER" TYPE.
.	E	.0010 TO .0020 DIAMETRAL CLEARANCE (BEARING TYPES C AND X)
.	E	BRONZE, SEGMENTAL "SNAP-OVER" TYPE.
.	F	0.0015 TO 0.0025 DIAMETRAL CLEARANCE (BEARING TYPES C AND X)
.	F	FULL COMPLEMENT BEARING - NO SEPARATOR.
.	F	ANGULAR CONTACT PAIR - DUPLEXED FACE-TO-FACE
.	G	.0020 TO .0030 DIAMETRAL CLEARANCE (BEARING TYPES C AND X)
.	G	NYLON ONE-PIECE RING, CIRCULAR POCKET.
.	H	.0030 TO .0040 DIAMETRAL CLEARANCE (BEARING TYPES C AND X)
.	H	PHENOLIC LAMINATE, ONE-PIECE RING WITH CIRCULAR POCKETS.
.	I	.0040 TO .0050 DIAMETRAL CLEARANCE (BEARING TYPES C AND X)
.	J	.0050 TO .0060 DIAMETRAL CLEARANCE (BEARING TYPES C AND X)
.	J	NYLON ONE-PIECE STRIP SEPARATOR, CIRCULAR POCKETS.
.	K	.0.0000 TO 0.0005 DIAMETRAL PRELOAD (BEARING TYPES C AND X)
.	K	PHENOLIC LAMINATE, RIVETED TWO-PIECE RING.
.	L	.0000 TO .0010 DIAMETRAL PRELOAD (BEARING TYPES C AND X)
.	L	NYLON, ONE-PIECE RING "SNAP-OVER" TYPE.
.	M	.0005 TO .0010 DIAMETRAL PRELOAD (BEARING TYPES C AND X)
.	M	FORMED WIRE, STRIP OR SEGMENTAL, "SNAP-OVER" TYPE, BALL IN EVERY POCKET.
.	N	.0005 TO .0015 DIAMETRAL PRELOAD (BEARING TYPES C AND X)
.	N	NYLON, SEGMENTAL "SNAP-OVER" .TYPE.
.	O	SAME AS "A" EXCEPT MATERIAL IS STAINLESS STEEL.
.	P	.0010 TO .0020 DIAMETRAL PRELOAD (BEARING TYPES C AND X)
.	P	STANDARD FORMED RING "SNAP-OVER" TYPE (MATERIAL - BRONZE OR STEEL) .
.	R	0.0015 TO 0.0025 DIAMETRAL PRELOAD (BEARING TYPES C AND X)
.	R	BRONZE, FORMED RING, CIRCULAR POCKETS.
.	S	.0020 TO .0030 DIAMETRAL PRELOAD (BEARING TYPES C AND X)
.	S	HELICAL COIL SPRINGS.
.	T	.0030 TO .0040 DIAMETRAL PRELOAD (BEARING TYPES C AND X)
.	T	STAINLESS STEEL, FORMED RING "SNAP-OVER" TYPE.
.	T	ANGULAR CONTACT PAIR - DUPLEXED TANDEM
.	U	.0040 TO .0050 DIAMETRAL PRELOAD (BEARING TYPES C AND X)
.	U	STAINLESS STEEL, FORMED RING CIRCULAR POCKETS .
.	U	ANGULAR CONTACT SINGLE BEARING - GROUND FOR UNIVERSAL DUPLEXING
.	V	- Z. CLEARANCE OR PRELOAD NOT DEFINED ABOVE .
.	V	ALUMINUM, FORMED RING "SNAP-OVER" TYPE.
.	W	FORMED WIRE, STRIP OR SEGMENTAL, "SNAP-OVER" TYPE.
.	X	FOUR-POINT CONTACT
.	Y	ALUMINUM, FORMED RING, CIRCULAR POCKETS.
.	Z	OTHER.
.	Z	OTHER
A	.	0.187 X 0.187 OR .250 X .250
B	.	.312 X .312
C	.	.375 X .375
C	.	CEVR 52100 STEEL WITH NO SEALS OR SHIELDS
D	.	.500 X .500
D	.	CDVD 52100 STEEL WITH ONE SHIELD - PHENOLIC LAMINATE
E	.	.625 X .625
E	.	CDVD 52100 STEEL WITH TWO SHIELDS - PHENOLIC LAMINATE
F	.	.750 X .750
F	.	CDVD 52100 -STEEL WITH ONE SEAL - BUNA-N
G	.	1.000 X 1.000
G	.	CDVD 52100 STEEL WITH TWO SEALS - BUNA-N BONDED TO PHENOLIC LAMINATE
H	.	*0.187 X 0.250 OR .250 X .312
H	.	CDVD 52100 STEEL WITH ONE SEAL - MOLDED BUNA-N STEEL REINFORCED
I	.	.312 X .375
J	.	.375 X .437
J	.	CDVD 52100 STEEL WITH TWO SEALS - MOLDED BUNA-N STEEL REINFORCED
K	.	0.500 X 0.578
K	.	CDVD 52100 STEEL WITH NO SEALS OR SHIELDS
L	.	.625 X .727
M	.	.750 X .875
M	.	M-50 STEEL WITH NO SEALS OR SHIELDS
N	.	1.000 X 1.187
S	.	*0.250 X 0.312 OR .250 X .375
S	.	440C STAINLESS STEEL WITH NO SEALS OR SHIELDS
T	.	.312 X .437
U	.	.375 X .500
V	.	.500 X .656
W	.	.625 X .828
X	.	.750 X 1.000
Y	.	1.000 X 1.375
Z	.	OTHER

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          Shanghai,P.R.China
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Kaydon bearing

Kaydon bearing

Kaydon® bearing part number system

Part number system

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