The outer rings of this needle bearings and bearings case are interference fitted without axial fixed settings. The effcient capacity can be maintained even if in the condition of high speed and huge loading capacity .

Technical Parameters

Shaft Diameter	Bearing Designation	Mass Approx	Boundary Dimensions					Basic Load Rating		Limiting Speed
Shaft Diameter		Mass Approx	d	D	B	F	E	Cr Dynamic	Cor Static	Oil
mm		g	mm					N		rpm
6	NAO6×17×10 TN	13	6	17	10	10	13	3950	5000	17080
9	NAO9×22×12 TN	22	9	22	12	12	18	8800	7900	12090
12	NAO12×24×13	29	12	24	13	16	20	8000	16000	15020
	○ NAO12×24×20	43	12	24	20	16	20	10300	16800	20000
	NAO12×28×12	38.6	12	28	12	16	22	9850	10500	19000
15	NAO15×28×13	27.8	15	28	13	20	24	7800	10300	20600
15	NAO15×32×12	48.1	15	32	12	20	26	10400	14020	20000
17	NAO17×30×13	39	17	30	13	22	26	9860	15000	20000
17	NAO17×35×16	70	17	35	16	22	29	16800	20050	10090
20	NAO20×35×17	72	20	35	17	25	29	12600	20200	16000
20	NAO20×37×16	81	20	37	16	25	32	10000	18000	12700
25	NAO25×40×17	78.9	25	40	17	30	35	10600	24000	10500
	NAO25×42×16	83	25	42	16	30	37	13100	23500	10500
	○ NAO25×42×32	189	25	42	32	30	37	26500	47000	10500
30	NAO30×45×13	73	30	45	13	35	40	11200	25000	11207
	NAO30×45×17	100	30	45	17	35	40	12800	28500	11207
	○ NAO30×45×26	150	30	45	26	35	40	17500	32900	11207
	NAO30×47×16	99.8	30	47	16	35	42	14400	17500	11207
	NAO30×47×18	109	30	47	18	35	42	20000	33000	11207
	NAO30×52×18	172	30	52	18	37	44	18000	25500	10900
35	NAO35×50×17	103	35	50	17	40	45	20800	40506	10900
	NAO35×55×20	175	35	55	20	40	47	28500	41000	10000
	◇ NAO35×57×20.5	206	35	57	20.5	42	50	26000	49000	10000
40	NAO40×55×17	118	40	55	17	45	50	12500	36000	9000
40	NAO40×65×20	269	40	65	20	50	58	35000	61200	8000
50	NAO50×68×20	219	50	68	20	55	60	24500	62000	7500
50	NAO50×78×20	400	50	78	20	60	68	33500	65000	6500
70	NAO70×100×30	829	70	100	30	80	88	52600	129000	40000
75	NAO75×105×25	676	75	105	25	85	93	42000	106000	3900
80	NAO80×110×30	892	80	110	30	90	98	49020	112000	4200
90	NAO90×120×30	1004	90	120	30	100	108	51000	128000	3900
TN=plastic cage(working temperature:120^oC continually:180^oC shorty) "○ ":duble row " ◇ " the width of OR is 20mm Limiting speed for grease:60% of the one for oil

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Bearing Components

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Successful Case

Heavy Duty Needle Roller Bearings Without Ribs

Technical Parameters

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roller needle bearings