Product Series Drawn Cup Needle Roller Bearings Entity Bushed Needle Roller Bearing One-Way Needle Roller Bearings Radial Needle And Cage Assemblys Axial Bearings Automotive Bearings Brake Caliper Needle Roller Bearings Yoke Type Track Rollers Stud Type Track Rollers Inner Ring Combined Radial Axial Bearings Nonstandard Needle Roller Bearings

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轴径 Shaft Diameter	代号 Designation	外形尺寸 Boundary Dimensions			重量 Mass 近似 Approx	轴径 Shaft Diameter	代号 Designation	外形尺寸 Boundary Dimensions					重量 Mass 近似 Approx
轴径 Shaft Diameter		d	F	B	重量 Mass 近似 Approx	轴径 Shaft Diameter		d	F			B	重量 Mass 近似 Approx
mm		mm			g	mm		mm					g
5	IR5X8X12	5	8	12	2.79	15	IR15X18X16.5	15		18	16.5		9.9
5	IR5X8X16	5	8	16	3.75		IR15X19X16	15		19	16		12.8
6	IR6X9X12	6	9	12	3.17		IR15X19X20	15		19	20		16.4
	IR6X9X16	6	9	16	4.3		IR15X20X12	15		20	12		12.1
	IR6X10X10	6	10	10	3.7		IR15X20X13	15		20	13		13.5
	IR6X10X12	6	10	12	4.6		IR15X20X14	15		20	14		14.7
7	IR7X10X10.5	7	10	10.5	3.09		IR15X20X23	15		20	23		24.4
	IR7X10X12	7	10	12	3.61	17	IR17X20X16	17		20	16		10.7
	IR7X10X16	7	10	16	4.9		IR17X20X16.5	17		20	16.5		11.1
7.8	IR6X12X10.5C	7.8	12.2	10.7			IR17X20X20	17		20	20		13.5
8	IR8X12X10	8	12	10	4.8		IR17X20X20.5	17		20	20.5		13.8
	IR8X12X10.5	8	12	10.5	5		IR17X20X30.5	17		20	30.5		20.6
	IR8X12X12	8	12	12	5.7		IR17X21X16	17		21	16		14.3
	IR8X12X12.5	8	12	12.5	5.9		IR17X21X20	17		21	20		18
9	IR9X12X12	9	12	12	4.5		IR17X22X13	17		22	13		14.9
9	IR9X12X16	9	12	16	6.1		IR17X22X14	17		22	14		16.4
10	IR10X13X12.5	10	13	12.5	5.2		IR17X22X16	17		22	16		18.7
	IR10X14X12	10	14	12	7.3		IR17X22X23	17		22	23		27.1
	IR10X14X13	10	14	13	7.4		IR17X24X20	17		24	20		33.6
	IR10X14X14	10	14	14	8	20	IR20X24X16	20		24	16		16.5
	IR10X14X16	10	14	16	9.2		IR20X24X20	20		24	20		21.3
	IR10X14X20	10	14	20	11.6		LR20X25X12.5	20		25	12.5		16.3
12	IR12X15X12	12	15	12	5.8		IR20X25X16	20		25	16		21.1
	IR12X15X12.5	12	15	12.5	6.1		LR20X25X16.5	20		25	16.5		21.7
	IR12X15X16	12	15	16	8		IR20X25X17	20		25	17		22.4
	IR12X15X16.5	12	15	16.5	8.1		IR20X25X18	20		25	18		24.3
	IR12X15X22.5	12	15	22.5	10.9		IR20X25X20	20		25	20		27.5
	IR12X16X12	12	16	12	7.9		IR20X25X20.5	20		25	20.5		28.2
	IR12X16X13	12	16	13	8.7		IR20X25X26.5	20		25	26.5		36.1
	IR12X16X14	12	16	14	9.5		IR20X25X30	20		25	30		40.9
	IR12X16X16	12	16	16	10.9		IR20X25X38.5	20		25	38.5		52.5
	IR12X16X20	12	16	20	13.5		IR20X28X20	20		28	20		45.2
	IR12X16X22	12	16	22	14.9	22	IR22X26X16	22		26	16		17.5
	IR12X16X22.5	12	16	22.5			IR22X26X20	22		26	20		23.2
	IR12X14X15.5	12	14	15.5			IR22X28X17	22		28	17		29.8
	IR12X17X22.5	12	17	22.5			IR22X28X20	22		28	20		35
14	IR14X17X17	14	17	17	10		IR22X28X20.5	22		28	20.5		36
15	LR15X18X12.5	15	18	12.5	7.2		IR22X28X30	22		28	30		26.7
15	IR15X18X16	15	18	16	9.6	25	IR25X29X20	25		29	20		25.5

轴径 Shaft Diameter	代号 Designation	外形尺寸 Boundary Dimensions			重量 Mass 近似 Approx	轴径 Shaft Diameter	代号 Designation	外形尺寸 Boundary Dimensions					重量 Mass 近似 Approx
轴径 Shaft Diameter		d	F	B	重量 Mass 近似 Approx	轴径 Shaft Diameter		d	F			B	重量 Mass 近似 Approx
mm		mm			g	mm		mm					g
25	IR25X29X30	25	29	30	39.3	35	IR35X40X17	35		40	17		38.3
	LR25X30X12.5	25	30	12.5	20		IR35X40X20	35		40	20		44.4
	IR25X30X16	25	30	16	26		IR35X40X20.5	35		40	20.5		46.1
	LR25X30X16.5	25	30	16.5	26.7		IR35X40X30	35		40	30		67.9
	IR25X30X17	25	30	17	27.5		IR35X42X20	35		42	20		63.9
	IR25X30X18	25	30	18	29.8		IR35X42X20.5	35		42	20.5		66
	IR25X30X20	25	30	20	32.6		IR35X42X21	35		42	21		67.7
	IR25X30X20.5	25	30	20.5	33.5		IR35X42X23	35		42	23		74
	IR25X30X26.5	25	30	26.5	43.3		IR35X42X36	35		42	36		117
	IR25X30X30	25	30	30	50.1		IR35X43X22	35		43	22		82
	IR25X30X32	25	30	32	53	38	IR38X43X20	38		43	20		48.1
	IR25X30X38.5	25	30	38.5	63.8	38	IR38X43X30	38		43	30		73.6
	IR25X32X22	25	32	22	51.7	40	LR40X45X16.5	40		45	16.5		41.4
28	IR28X32X17	28	32	17	24.5		IR40X45X17	40		45	17		42.5
	IR28X32X20	28	32	20	28.4		IR40X45X20	40		45	20		50.5
	IR28X32X30	28	32	30	43.8		IR40X45X20.5	40		45	20.5		52.5
28.575	IRB1820	28.575	34.925	32			IR40X45X30	40		45	30		77.1
29	IR29X32X13	29	32	13	14.8		IR40X48X22	40		48	22		92.3
30	IR30X35X12.5	30	35	12.5	23.3		IR40X48X23	40		48	23		97.3
	IR30X35X13	30	35	13	25		IR40X48X40	40		48	40		170
	IR30X35X16	30	35	16	30.8		IR40X50X20	40		50	20		106
	IR30X35X16.5	30	35	16.5	31.4		IR40X50X22	40		50	22		118
	IR30X35X17	30	35	17	32.3		IR40X45X22.5	40		45	22.5
	IR30X35X18	30	35	18	35.3	42	IR42X47X20	42		47	20		53.5
	IR30X35X20	30	35	20	40	42	IR42X47X30	42		47	30		81
	IR30X35X20.5	30	35	20.5	40.7	45	LR45X50X20.5	45		50	20.5		58.8
	IR30X35X26	30	35	26	50.3		IR45X50X25	45		50	25		71.1
	IR30X35X30	30	35	30	58.9		IR45X50X25.5	45		50	25.5		73.7
	IR30X37X18	30	37	18	50		IR45X50X35	45		50	35		101
	IR30X37X22	30	37	22	60.8		IR45X52X22	45		52	22		89
	IR30X38X20	30	38	20	64.8		IR45X52X23	45		52	23		93
32	IR32X37X20	32	37	20	42		IR45X52X40	45		52	40		164
	IR32X37X30	32	37	30	62.7		IR45X55X20	45		55	20		117
	IR32X40X20	32	40	20	68		IR45X55X22	45		55	22		130
	IR32X40X36	32	40	36	124		IR45X50X20	45		50	20
33	IR33X37X13	33	37	13	21.9		IR45X50X26	45		50	26
34	IR34X42X20	34	42	20			IR45X50X40	45		50	40
35	LR35X40X12.5	35	40	12.5	27.2	45.2	IR45.2X58X36	45.2		58	36
35	LR35X40X16.5	35	40	16.5	37.4	47	IR47X60X35	47		60	35

轴径 Shaft Diameter	代号 Designation	外形尺寸 Boundary Dimensions			重量 Mass 近似 Approx	轴径 Shaft Diameter	代号 Designation	外形尺寸 Boundary Dimensions					重量 Mass 近似 Approx
轴径 Shaft Diameter		d	F	B	重量 Mass 近似 Approx	轴径 Shaft Diameter		d	F			B	重量 Mass 近似 Approx
mm		mm			g	mm		mm					g
50	IR50X55X20	50	55	20	62.6	75	IR75X85X35	75		85	35		336
	LR50X55X20.5	50	55	20.5	64.1	75	IR75X85X54	75		85	54		520
	IR50X55X25	50	55	25	77.8	80	IR80X90X25	80		90	25		254
	IR50X55X35	50	55	35	112		IR80X90X30	80		90	30		304
	IR50X58X22	50	58	22	115		IR80X90X35	80		90	35		355
	IR50X58X23	50	58	23	119		IR80X90X54	80		90	54		550
	IR50X58X40	50	58	40	209	85	IR85X95X26	85		95	26		280
	IR50X60X20	50	60	20	129		IR85X95X36	85		95	36		390
	IR50X60X25	50	60	25	163		IR85X100X35	85		100	35		580
	IR50X60X28	50	60	28	183		IR85X100X63	85		100	63		1050
55	IR55X60X25	55	60	25	86		IR88X100X30	88		100	30
	IR55X60X35	55	60	35	121	90	IR90X100X26	90		100	26		294
	IR55X63X25	55	63	25	141		IR90X100X30	90		100	30		340
	IR55X63X45	55	63	45	256		IR90X100X36	90		100	36		406
	IR55X65X28	55	65	28	198		IR90X105X35	90		105	35		610
60	IR60X65X41	60	65	41			IR90X105X63	90		105	63		1110
	IR60X68X25	60	68	25	152	95	IR95X105X26	95		105	26		313
	IR60X68X35	60	68	35	213		IR95X105X36	95		105	36		430
	IR60X68X45	60	68	45	275		IR95X110X35	95		110	35		643
	IR60X70X25	60	70	25	195		IR95X110X63	95		100	63		1170
	IR60X70X28	60	70	28	216	100	IR100X110X30	100		110	30		370
65	IR65X72X25	65	72	25	142		IR100X110X40	100		110	40		505
	IR65X72X45	65	72	45	259		IR100X115X40	100		115	40		775
	IR65X73X25	65	73	25	164	110	IR110X120X30	110		120	30		409
	IR65X73X35	65	73	35	232	110	IR110X125X40	110		125	40		840
	IR65X75X28	65	75	28	230	120	IR120X130X30	120		130	30		442
70	IR70X80X25	70	80	25	224	120	IR120X135X45	120		135	45		1000
	IR70X80X30	70	80	30	267	130	IR130X145X35	130		145	35		855
	IR70X80X35	70	80	35	313	130	IR130X150X50	130		150	50		1690
	IR70X80X54	70	80	54	487	140	IR140X155X35	140		155	35		917
	IR70X80X56	70	80	56	506	140	IR140X160X50	140		160	50		1800
75	IR75X85X25	75	85	25	238	150	IR150X165X40	150		165	40		1120
75	IR75X85X30	75	85	30	287	160	IR160X175X40	160		175	40		1200

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Inner ring

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