پسوند، پیشوند و شناسایی بیرینگ های NSK

شناسایی بیرینگ

چینش کد بیرینگ در برند NSK

چینش کد در برند NSK مطابق با تصویر زیر می باشد.

نحوه تشخیص بیرینگ های NSK با استفاده از کد بیرینگ

شناسایی بیرینگ

با توجه به کد بیرینگ و با توجه به جدول بیرینگ میتوان نوع بیرینگ را تشخیص داد.


نوع بیرینگ	سری بیرینگ	نماد نوع بیرینگ	نماد عرض بیرینگ	نماد قطر بیرینگ
single-row deep groove ball bearings	68	6	-1	8
	69		-1	9
	60		-1	0
	62		0	2
	63		0	3
Single-row angular contact ball bearings	79	7	-1	9
	70		-1	0
	72		0	2
	73		0	3
Self-aligning ball bearings	12	1	0	2
	13	1	0	3
	22	-1	2	2
	23	-1	2	3
Single-row cylindrical roller bearings	NU10	NU	1	0
	NU2		0	2
	NU22		2	2
	NU3		0	3
	NU23		2	3
	NU4		0	4
	NJ2	NJ	0	2
	NJ22		2	2
	NJ3		0	3
	NJ23		2	3
	NJ4		0	4
	NUP2	NUP	0	2
	NUP22		2	2
	NUP3		0	3
	NUP23		2	3
	NUP4		0	4
	N10	N	1	0
	N2		0	2
	N3		0	3
	N4		0	4
	NF2	NF	0	2
	NF3			3
	NF4			4
Double-row cylindrical roller bearings	NNU29	NNU	4	9
	NN30	NN	3	0
Needle roller bearings	NA48	NA	4	8
	NA49		4	9
	NA59		5	9
	NA69		6	9
Tapered roller bearings	329	3	2	9
	320		2	0
	330		3	0
	331		3	1
	302		0	2
	322		2	2
	332		3	2
	303		0	3
	323		2	3
Spherical roller bearings	230	2	3	0
	231		3	1
	222		2	2
	232		3	2
	213		0	3
	223		2	3
Thrust ball bearings with flat seats	511	5	1	1
	512		1	2
	513		1	3
	514		1	4
	522		2	2
	523		2	3
	524		2	4
Spherical thrust roller bearings	292	2	9	2
	293			3
	294			4

پیشوندها

پیشوندهای بیرینگ‌های NSK در جدول زیر لیست شده است. به منظور جستوجو در بین پیشوندها می‌توانید پیشوند را در بالای هر ستون جستوجو کنید.


پیشوند	توضیحات
B	Bearing with special dimensions, example: B 15
F	Bearing with flanged outer ring, example: F684ZZ MC3
HR	For NSK tapered roller bearings and deep groove ball bearings: higher load rating.
MF	NSK miniature metric bearing with special dimensions and flanged outer ring
MR	NSK miniature metric bearing with special dimensions. Example: MR126ZZ MC3
R	Bearing outer ring with rollers and cage, no inner ring. Exampl: R NU 207
R	Miniature imperial bearing, example: R 4Z MC3

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پسوند ها

پسوندهای بیرینگ‌های NSK در جدول زیر لیست شده است. به منظور جستوجو در بین پسوندها می‌توانید پسوند را در بالای هر ستون جستوجو کنید.


نوع بیرینگ	گروه	پسوند	توضیحات
Angular contact ball bearings	Contact angle symbol nomenclature	A	Standard contact angle of 30°
Angular contact ball bearings	Contact angle symbol nomenclature	A5	Standard contact angle of 25°
Angular contact ball bearings	Contact angle symbol nomenclature	B	Standard contact angle of 40°
Angular contact ball bearings	Contact angle symbol nomenclature	C	Standard contact angle of 15°
Tapered roller bearings	Contact angle symbol nomenclature	Ommitted	contact angle less than 17°
Tapered roller bearings	Contact angle symbol nomenclature	C	contact angle about 20°
Tapered roller bearings	Contact angle symbol nomenclature	D	contact angle about 28°
ALL	Internal design symbol nomenclature	A	Internal design differs from standard one.
tapered roller bearings	Internal design symbol nomenclature	J	Smaller diameter of outer ring raceway, contact angle, and outer ring width of tapered roller bearings conform to ISO 355
spherical roller bearings	For high capacity NSK bearings	C, CA, CD, EA	high capacity
cylindrical roller bearings	For high capacity NSK bearings	E	high capacity
spherical thrust roller bearings	For high capacity NSK bearings	E	high capacity
	Material symbol	g	Case-hardened steel used in rings, rolling elements
	Material symbol	h	stainless steel used in rings, rolling elements
ALL	Cage symbol nomenclature	M	machined brass cage
ALL	Cage symbol nomenclature	W	pressed steel cage
ALL	Cage symbol nomenclature	T	synthetic resin cage
ALL	Cage symbol nomenclature	V	without cage
ALL	External features Seals, shields symbol	Z, ZS	shield on one side only
ALL	External features Seals, shields symbol	ZZ, ZZS	shields on both sides
ALL	External features Seals, shields symbol	DU	contact rubber seal on one side only
ALL	External features Seals, shields symbol	DDU	contact rubber seals on both sides
ALL	External features Seals, shields symbol	B	Non-contact rubber seal on one side only
ALL	External features Seals, shields symbol	DDU	Non-contact rubber seals on both sides
ALL	External features, Symbol for design of rings	K	tapered bore of inner ring (Taper 1:12)
ALL	External features, Symbol for design of rings	K30	tapered bore of inner ring (Taper 1:30)
ALL	External features, Symbol for design of rings	E	Notch or lubricating groove in ring
ALL	External features, Symbol for design of rings	E4	Lubrication groove in outside surface and holes in outer ring
ALL	External features, Symbol for design of rings	N	snap ring groove in outer ring
ALL	External features, Symbol for design of rings	NR	snap ring groove with snap ring in outer ring
ALL	Arrangement Symbol	DB	back-to-back arrangement
ALL	Arrangement Symbol	DF	face-to-face arrangement
ALL	Arrangement Symbol	DT	tandem arrangement
all radial bearings	internal clearance Symbol and preload symbol	C1	clearance less than C2
all radial bearings	internal clearance Symbol and preload symbol	C2:	clearance less than CN
all radial bearings	internal clearance Symbol and preload symbol	Omitted	CN clearance
all radial bearings	internal clearance Symbol and preload symbol	C3	clearance GREATER than CN
all radial bearings	internal clearance Symbol and preload symbol	C4	clearance GREATER than C3
all radial bearings	internal clearance Symbol and preload symbol	C5	clearance GREATER than C4
Non-interchangeable cylindrical roller bearings	internal clearance Symbol and preload symbol	CC1	clearance less than CC2
Non-interchangeable cylindrical roller bearings	internal clearance Symbol and preload symbol	CC2	clearance less than CC
Non-interchangeable cylindrical roller bearings	internal clearance Symbol and preload symbol	CC	Normal clearance
Non-interchangeable cylindrical roller bearings	internal clearance Symbol and preload symbol	CC3	clearance GREATER than CC
Non-interchangeable cylindrical roller bearings	internal clearance Symbol and preload symbol	CC4	clearance GREATER than CC3
Non-interchangeable cylindrical roller bearings	internal clearance Symbol and preload symbol	CC5	clearance GREATER than CC4
Extra-small and NSK Miniature ball bearings	internal clearance Symbol and preload symbol	MC1	clearance less than MC2
Extra-small and NSK Miniature ball bearings	internal clearance Symbol and preload symbol	MC2	clearance less than MC3
Extra-small and NSK Miniature ball bearings	internal clearance Symbol and preload symbol	MC3	Normal clearance
Extra-small and NSK Miniature ball bearings	internal clearance Symbol and preload symbol	MC4	clearance GREATER than MC3
Extra-small and NSK Miniature ball bearings	internal clearance Symbol and preload symbol	MC5	clearance GREATER than MC4
Extra-small and NSK Miniature ball bearings	internal clearance Symbol and preload symbol	MC6	clearance GREATER than MC5
Deep groove ball bearings and Cylindrical roller bearings	internal clearance Symbol and preload symbol	CM	Clearance in NSK Deep groove ball bearings and Cylindrical roller bearings(CM or CT) for electric Motors.
angular contact ball bearings	Preload	EL	extra light preload
angular contact ball bearings	Preload	L	light preload
angular contact ball bearings	Preload	M	medium preload
angular contact ball bearings	Preload	H	heavy preload
ALL	Tolerance class symbol	Omitted	ISO Normal
ALL	Tolerance class symbol	P6	ISO class6
ALL	Tolerance class symbol	P6X	ISO class6X
ALL	Tolerance class symbol	P5	ISO class5
ALL	Tolerance class symbol	P4	ISO class4
ALL	Tolerance class symbol	P2	ISO class2
ABMA tapered roller bearing	Tolerance class symbol	Omitted	class 4
ABMA tapered roller bearing	Tolerance class symbol	PN2	class 2
ABMA tapered roller bearing	Tolerance class symbol	PN3	class 3
ABMA tapered roller bearing	Tolerance class symbol	PN0	class 0
ABMA tapered roller bearing	Tolerance class symbol	PN00	class 00
Bearings treated for dimensional stabilication	special specification symbol	X26	working temperature lower than 150°C
Bearings treated for dimensional stabilication	special specification symbol	X28	working temperature lower than 200°C
Bearings treated for dimensional stabilication	special specification symbol	X29	working temperature lower than 250°C
spherical roller bearings	special specification symbol	s11	dimensional stabiliging treatment working temperature lower than 200°C
ALL	Spacer or sleeve symbol	+K	Bearings with outer ring spacers
ALL	Spacer or sleeve symbol	+L	Bearings with inner ring spacers
ALL	Spacer or sleeve symbol	+KL	Bearings with both inner and outer ring spacers
ALL	Spacer or sleeve symbol	H	adapter designation
ALL	Spacer or sleeve symbol	AH	withdrawal sleeve designation
ALL	Spacer or sleeve symbol	HJ	thrust collar designation
ALL	Grease symbol	AS2	shell alvania grease S2
ALL	Grease symbol	ENS	ENS grease
ALL	Grease symbol	NS7	ns hI-LUBE
ALL	Grease symbol	PS2	Multemp PS No. 2