内圈(IR LR= )

CYJ--IR= 869;圈经热处理和精密加= ;工而成，尺寸公差和&#= 20960;何精度符合国家标Ñ= 34;，内圈滚道面两端一= 般有导向倒角，以便= 3433;装。它适用于轴不೦= 1;进行热处理、不能直&= #25509;作为滚道的场合。= 869;圈与无内圈滚针轴承= ;配合使用时达到正常&#= 30340;工作游隙。
　　LR内圈௚= 0;公差值大于IR内圈，端面未= 2463;磨削，价格也较低ᦁ= 2;常与冲压外圈滚针轴&= #25215;配合使用。

轴承代号	结构特点
IR &#= 12288;	尺寸公差符合&= #26631;准
LR	尺寸公差大于<= span lang=3DEN-US>IR

<= /span>

<= o:p>

轴径 Shaft Diameter	代号<= /span> Designation	外形尺寸 Boundary Dimensions	重量 = Mass 近似 = Approx		轴径 Shaft Diameter	代号<= /span> Designation	外形尺寸 Boundary Dimensions	重量 = Mass 近似 = Approx
d	F	B	d	F	B
mm	mm	g	mm	mm	g
5	IR5X8X12	5	8	12	2.79	15	IR15X18X16.5 <= /o:p>	15	18	16.5	9.9
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 <= /o:p>	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 <= /o:p>	17	20	20.5	13.8
IR8X12X10.5	8	12	10.5	5	IR17X20X30.5 <= /o:p>	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
IR9X12X16	9	12	16	6.1	IR17X22X14	17	22	14	16.4
10	IR10X13X12.5 <= /o:p>	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 <= /o:p>	20	25	12.5	16.3
12	IR12X15X12	12	15	12	5.8	IR20X25X16	20	25	16	21.1
IR12X15X12.5 <= /o:p>	12	15	12.5	6.1	LR20X25X16.5 <= /o:p>	20	25	16.5	21.7
IR12X15X16	12	15	16	8	IR20X25X17	20	25	17	22.4
IR12X15X16.5 <= /o:p>	12	15	16.5	8.1	IR20X25X18	20	25	18	24.3
IR12X15X22.5 <= /o:p>	12	15	22.5	10.9	IR20X25X20	20	25	20	27.5
IR12X16X12	12	16	12	7.9	IR20X25X20.5 <= /o:p>	20	25	20.5	28.2
IR12X16X13	12	16	13	8.7	IR20X25X26.5 <= /o:p>	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 <= /o:p>	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 <= /o:p>	12	16	22.5		IR22X26X20	22	26	20	23.2
IR12X14X15.5 <= /o:p>	12	14	15.5		IR22X28X17	22	28	17	29.8
IR12X17X22.5 <= /o:p>	12	17	22.5		IR22X28X20	22	28	20	35
14	IR14X17X17	14	17	17	10	IR22X28X20.5 <= /o:p>	22	28	20.5	36
15	LR15X18X12.5 <= /o:p>	15	18	12.5	7.2	IR22X28X30	22	28	30	26.7
IR15X18X16	15	18	16	9.6	25	IR25X29X20	25	29	20	25.5

轴径 Shaft Diameter	代号<= /span> Designation	外形尺寸 Boundary Dimensions	重量 = Mass 近似 = Approx		轴径 Shaft Diameter	代号<= /span> Designation	外形尺寸 Boundary Dimensions	重量 = Mass 近似 = Approx
d	F	B	d	F	B
mm	mm	g	mm	mm	g
25	IR25X29X30	25	29	30	39.3	35	IR35X40X17	35	40	17	38.3
LR25X30X12.5 <= /o:p>	25	30	12.5	20	IR35X40X20	35	40	20	44.4
IR25X30X16	25	30	16	26	IR35X40X20.5 <= /o:p>	35	40	20.5	46.1
LR25X30X16.5 <= /o:p>	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 <= /o:p>	35	42	20.5	66
IR25X30X20	25	30	20	32.6	IR35X42X21	35	42	21	67.7
IR25X30X20.5 <= /o:p>	25	30	20.5	33.5	IR35X42X23	35	42	23	74
IR25X30X26.5 <= /o:p>	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 <= /o:p>	25	30	38.5	63.8	IR38X43X30	38	43	30	73.6
IR25X32X22	25	32	22	51.7	40	LR40X45X16.5 <= /o:p>	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 <= /o:p>	40	45	20.5	52.5
28.575 <= /span>	IRB1820 =	28.575 <= /span>	34.925 <= /span>	32		IR40X45X30	40	45	30	77.1
29	IR29X32X13	29	32	13	14.8	IR40X48X22	40	48	22	92.3
30	IR30X35X12.5 <= /o:p>	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 <= /o:p>	30	35	16.5	31.4	IR40X50X22	40	50	22	118
IR30X35X17	30	35	17	32.3	IR40X45X22.5 <= /o:p>	40	45	22.5
IR30X35X18	30	35	18	35.3	42	IR42X47X20	42	47	20	53.5
IR30X35X20	30	35	20	40	IR42X47X30	42	47	30	81
IR30X35X20.5 <= /o:p>	30	35	20.5	40.7	45	L, , , , , , R45X50X20.5	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 <= /o:p>	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 <= /o:p>	35	40	12.5	27.2	45.2	IR45.2X58X36 <= /o:p>	45.2	58	36
LR35X40X16.5 <= /o:p>	35	40	16.5	37.4	47	IR47X60X35	47	60	35

轴径 Shaft Diameter	代号<= /span> Designation	外形尺寸 Boundary Dimensions	重量 = Mass 近似 = Approx		轴径 Shaft Diameter	代号<= /span> Designation	外形尺寸 Boundary Dimensions	重量 = Mass 近似 = Approx
d	F	B	d	F	B
mm	mm	g	mm	mm	g
50	IR50X55X20	50	55	20	62.6	75	IR75X85X35	75	85	35	336
LR50X55X20.5 <= /o:p>	50	55	20.5	64.1	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 <= /o:p>	100	110	30	370
65	IR65X72X25	65	72	25	142	IR100X110X40 <= /o:p>	100	110	40	505
IR65X72X45	65	72	45	259	IR100X115X40 <= /o:p>	100	115	40	775
IR65X73X25	65	73	25	164	110	IR110X120X30 <= /o:p>	110	120	30	409
IR65X73X35	65	73	35	232	IR110X125X40 <= /o:p>	110	125	40	840
IR65X75X28	65	75	28	230	120	IR120X130X30 <= /o:p>	120	130	30	442
70	IR70X80X25	70	80	25	224	IR120X135X45 <= /o:p>	120	135	45	1000
IR70X80X30	70	80	30	267	130	IR130X145X35 <= /o:p>	130	145	35	855
IR70X80X35	70	80	35	313	IR130X150X50 <= /o:p>	130	150	50	1690
IR70X80X54	70	80	54	487	140	IR140X155X35 <= /o:p>	140	155	35	917
IR70X80X56	70	80	56	506	IR140X160X50 <= /o:p>	140	160	50	1800
75	IR75X85X25	75	85	25	238	150	IR150X165X40 <= /o:p>	150	165	40	1120
IR75X85X30	75	85	30	287	160	IR160X175X40 <= /o:p>	160	175	40	1200