无挡边滚针轴承 Needle Roller Bearings without Ribs NAO 系列

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轴径 Shaft Diameter mm	型号 Designation	重量 Mass g	尺寸Dimensions						基本额定载荷 Basic Load Ratings			极限转速 Limiting Speed Rpm
			d	F	D	E	B	r min.	动 Cr Dynamic	静 Cor Static
			Mm						N
6	NAO6×17×10TN	14	6	10	17	13	10	0.3	4.75		5.5	29000
9	NAO9×22×12TN	24	9	12	22	18	12	0.3	10		10000	25000
12	NAO12×24×13	30	12	16	24	20	13	0.3	8.9		11800	24000
	*NAO12×24×20	44	12	16	24	20	20	0.3	13.3		19800	24000
	NAO12×28×12	40	12	16	28	22	12	0.3	11.5		12500	2200
15	NAO15×28×13	29	15	20	28	24	13	0.3	9.8		14300	22000
	NAO15×32×12	50	15	20	32	26	12	0.3	13.4		16200	21000
17	NAO17×30×13	42	17	22	30	26	13	0.3	10.4		15900	21000
	NAO17×35×16	78	17	22	35	29	16	0.3	20		25500	19000
20	NAO20×35×17	76	20	25	35	29	17	0.3	14.9		26000	18000
	NAO20×37×16	82	20	25	37	32	16	0.3	21		28000	18000
25	NAO25×40×17	88	25	30	40	35	17	0.3	19.6		34000	15000
	NAO25×42×16	86	25	30	42	37	16	0.3	23.1		33500	15000
	*NAO25×42×32	190	25	30	42	37	32	0.3	39.5		67000	13000
30	NAO30×45×13	77	30	35	45	40	13	0.3	16.2		28000	13000
	NAO30×45×17	102	30	35	45	40	17	0.3	20.8		38500	13000
	*NAO30×45×26	157	30	35	45	40	26	0.3	27.5		56000	13000
	NAO30×47×16	109	30	35	47	42	16	0.3	24.4		37500	130000
	NAO30×47×18	119	30	35	47	42	18	0.3	27.5		43000	130000
	NAO30×52×18	177	30	35	52	44	18	0.3	28		45500	12000
35	NAO35×50×17	113	35	40	50	45	17	0.3	21.4		41500	12000
	NAO35×55×20	190	35	40	55	47	20	0.3	32.5		57000	11000
40	NAO40×55×17	127	40	45	55	50	17	0.3	22.5		46000	10000
	NAO40×65×20	279	40	50	65	58	20	0.3	35.5		62000	9000
50	NAO50×68×20	230	50	55	68	60	20	0.6	28.5		66000	8500
	NAO50×78×20	410	50	60	78	68	20	1	43.5		85000	7500
70	NAO70×100×30	850	70	80	100	88	30	1	71		176000	6000
75	NAO75×105×25	696	75	85	105	93	25	1	57		136000	5500
80	NAO80×110×30	920	80	90	110	98	30	1	68		172000	5000
90	NAO90×120×30	1044	90	100	120	108	30	1	71		188000	4700

说明：

1、表中所列基本额定载荷、极限转速和重量，仅供选择参考用。

2、脂润滑时，极限转速为表列数值的60%。

3、*为双列，外圈带润滑油槽和油孔。

Note:
1. These load, speed and mass is reference of choice only.

2. With grease lubrication, 60% of these limiting speed will apply.
3. * The inner race is double-row, and a lubrication hole and groove on the outer race.