RNAO Series Needle Roller Bearing

The RNAO series is a type of needle roller bearing that features a non-separable outer ring and a separable inner ring. These bearings have high load-carrying capacity and are suitable for applications where radial space is limited. They also have high stiffness and can accommodate axial loads in one direction. The RNAO series is commonly used in gearboxes, textile machinery, printing machines, and other industrial applications where high precision and reliability are required. These bearings are also available in various sizes and configurations to meet specific application requirements.

Technial Specification

Table 1

Shaft Diameter	Bearing Designation	Mass Approx	Borndary Dimensions				Basic Load Rating		Limiting Speed
Shaft Diameter		Mass Approx	Fw	D	C	E	Cr Dynamic	Cor Static	Oil
mm		g	mm				N		rpm
5	_{^{RNAO 5×10×8 TN}}	2.8	5	10	8	8	2050	1720	27800
6	RNAO 6×13×8 TN	5	6	13	8	9	2300	1880	30000
7	RNAO 7×14×8 TN	5	7	14	8	10	2250	1950	31000
8	RNAO 8×15×10 TN	7.8	8	15	10	11	3050	3920	28000
10	RNAO 10×17×10 TN	9.1	10	17	10	13	3960	4500	20000
12	RNAO 12×19×13.5 TN	14	12	19	13.5	15	5400	7500	22000
12	RNAO 12×22×12 TN	17.9	12	22	12	18	8950	8000	23000
15	RNAO 15×23×13	18.5	15	23	13	19	6500	8900	21100
16	RNAO 16×24×13	19.8	16	24	13	20	6200	8400	21100
	*RNAO 16×24×20	29.7	16	24	20	20	10200	14800	21100
	RNAO 16×28×12	29.7	16	28	12	22	9500	10500	18000
17	RNAO 17×25×13	21	17	25	13	21	9400	11600	18000
18	RNAO 18×30×24	65	18	30	24	24	12100	16500	17600
20	RNAO 20×28×13	24.5	20	28	13	24	7800	9600	16000
	*RNAO 20×28×26	48.1	20	28	26	24	10080	20500	16000
	_{RNAO 20×32×12}	36.6	20	32	12	26	10100	14100	16000
22	RNAO 22×30×13	25.2	22	30	13	26	9200	12000	14000
22	RNAO 22×35×16	58	22	35	16	29	10000	15500	16000
25	RNAO 25×35×17	49	25	35	17	29	10900	22000	15020
	*RNAO 25×35×26	67.8	25	35	26	29	12400	25000	15020
	RNAO 25×37×16	59.2	25	37	16	32	15000	20900	12000
	*RNAO 25×37×32	108	25	37	32	32	25000	38900	12000
26	RNAO 26×39×13	59	26	39	13	30	87600	10200	15020
30	RNAO 30×40×17	59	30	40	17	35	12600	24000	10050
	*RNAO 30×40×26	92	30	40	26	35	16000	32000	10050
	RNAO 30×42×16	49.9	30	42	16	37	13000	23200	10050
	*RNAO 30×42×32	126	30	42	32	37	29500	47000	10050
35	RNAO 35×45×13	50	35	45	13	40	10200	22000	10000
	RNAO 35×45×17	60	35	45	17	40	17800	24500	10000
	*RNAO 35×45×26	88	35	45	26	40	20500	40000	10000
	RNAO 35×47×16	75	35	47	16	42	20400	31500	10000
	RNAO 35×47×18	86	35	47	18	42	22500	35000	10000
	*RNAO 35×47×32	149	35	47	32	42	32000	55000	10000
37	RNAO 37×52×18	115	37	52	18	44	18900	35500	8800
40	RNAO 40×50×17	72	40	50	17	45	15400	29880	8800
	*RNAO 40×50×34	151	40	50	34	45	25186	57200	11000
	RNAO 40×55×20	144	40	55	20	47	26300	46100	10000
	*RNAO 40×55×40	268	40	55	40	48	54700	87000	10000
42	RNAO 42×57×20	132	42	57	20	50	26720	43700	10000
45	RNAO 45×55×17	82.5	45	55	17	50	18000	36000	9000
45	*RNAO 45×62×40	368	45	62	40	53	42200	85050	9000
50	RNAO 50×62×20	140	50	62	20	55	20690	46860	7500
	RNAO 50×65×20	162	50	65	20	58	23200	40540	7000
	*RNAO 50×65×40	321	50	65	40	58	39040	80600	7000
55	RNAO 55×68×20	157	55	68	20	60	22480	52074	6500
60	RNAO 60×78×20	253	60	78	20	68	28500	65300	5550
60	RNAO 60×78×40	368	60	78	40	68	45000	99000	5550
65	RNAO 65×85×30	394	65	85	30	73	37000	90900	4900
70	RNAO 70×90×30	488	70	90	30	78	40010	105000	5100
80	RNAO 80×100×30	527	80	100	30	88	52000	139000	4890
85	RNAO 85×105×25	449	85	105	25	93	48600	106000	4900
90	RNAO 90×105×26	323	90	105	26	98	42519	129000	4900
90	RNAO 90×110×30	600	90	110	30	98	58100	152000	4900
100	RNAO 100×120×30	671	100	120	30	108	50000	158000	3100
TN=Plastic cage,permissible operating temperature;120°C(Continyous operation).
*Double row,with lubrccation groove and hole.

Advantages

The RNAO series needle roller bearings have several advantages:

1. High load capacity: The RNAO series bearings can withstand high radial loads, making them suitable for heavy-duty applications.
2. Space-saving design: The bearings have a compact design, making them ideal for applications with limited space.
3. Low friction: The bearings have low friction, resulting in reduced energy consumption and lower operating temperatures.
4. Easy to install: The bearings can be easily installed and require minimal maintenance.
5. Wide range of sizes: The RNAO series is available in a wide range of sizes, making them suitable for various applications.