Needle bearing with inner ring NA4909 with flange without seal

Designation	Dimension	Remark
d	45.00 mm	shaft diameter
D	68.00 mm	outer diameter
C	22.00 mm	width
F	52.00 mm	Track diameter inner ring
r_min.	0.60 mm	min. edge distance
s	1.00 mm	axial displacement

Designation	Dimension	Remark
C_r	51,000 N	dynamic load rating, radial
C_0r	73,000 N	static load rating, radial
C_ur	12,600 N	fatigue limit load
n_G	8,600 min^-1	limit speed
n_B	4,700 min^-1	reference speed
	0.271 kg	Weight

Designation	Dimension							Performance data
	d	D	B	C	F	r_min	s	C_r	C_0r	C_ur	n_G	n_B
	mm	mm	mm	mm	mm	mm	mm	N	N	N	min^-1	min^-1
NA4900	10.00	22.00	-	13.00	14.00	0.30	0.50	9,600	9,200	1,630	24,600	16,400
NA4901	12.00	24.00	-	13.00	16.00	0.30	0.50	10,600	10,900	1,940	23,200	14,200
NA4902	15.00	28.00	-	13.00	20.00	0.30	0.50	12,000	13,600	2,430	21,100	11,200
NA4903	17.00	30.00	-	13.00	22.00	0.30	0.50	12,400	14,600	2,600	20,000	10,200
NA4904	20.00	37.00	-	17.00	25.00	0.30	0.80	23,700	25,500	4,600	16,900	9,400
NA49/22	22.00	39.00	-	17.00	28.00	0.30	0.80	26,000	29,500	5,300	15,300	8,100
NA4905	25.00	42.00	-	17.00	30.00	0.30	0.80	26,500	31,500	5,700	14,400	7,700
NA49/28	28.00	45.00	-	17.00	32.00	0.30	0.80	27,500	33,500	6,100	13,600	7,400
NA4906	30.00	47.00	-	17.00	35.00	0.30	0.80	28,500	35,500	6,400	12,600	6,600
NA49/32	32.00	52.00	-	20.00	40.00	0.60	0.80	34,500	47,500	8,900	11,100	6,000
NA4907	35.00	55.00	-	20.00	42.00	0.60	0.80	35,500	50,000	9,400	10,700	5,800
NA4908	40.00	62.00	-	22.00	48.00	0.60	1.00	48,500	67,000	11,500	9,200	5,000
NA4909	45.00	68.00	-	22.00	52.00	0.60	1.00	51,000	73,000	12,600	8,600	4,700
NA4910	50.00	72.00	-	22.00	58.00	0.60	1.00	53,000	80,000	13,800	7,800	4,150
NA4911	55.00	80.00	-	25.00	63.00	1.00	1.50	65,000	100,000	17,300	7,200	4,000
NA4912	60.00	85.00	-	25.00	68.00	1.00	1.50	68,000	108,000	18,800	6,700	3,700
NA4913	65.00	90.00	-	25.00	72.00	1.00	1.50	69,000	112,000	19,500	6,300	3,500
NA4914	70.00	100.00	-	30.00	80.00	1.00	1.50	95,000	156,000	27,500	5,700	3,250
NA4915	75.00	105.00	-	30.00	85.00	1.00	1.50	97,000	162,000	28,500	5,400	3,100
NA4916	80.00	110.00	-	30.00	90.00	1.00	1.50	101,000	174,000	30,500	5,100	2,900
NA4917	85.00	120.00	-	35.00	100.00	1.10	1.00	125,000	237,000	41,500	4,600	2,650
NA4918	90.00	125.00	-	35.00	105.00	1.10	1.00	129,000	250,000	43,500	4,400	2,500
NA4919	95.00	130.00	-	35.00	110.00	1.10	1.00	131,000	260,000	44,500	4,200	2,400
NA4920	100.00	140.00	-	40.00	115.00	1.10	2.00	144,000	270,000	45,500	4,000	2,550
NA4922	110.00	150.00	-	40.00	125.00	1.10	2.00	149,000	290,000	47,500	3,700	2,330
NA4924	120.00	165.00	-	45.00	135.00	1.10	2.00	205,000	390,000	64,000	3,400	2,160
NA4926	130.00	180.00	-	50.00	150.00	1.50	1.50	229,000	470,000	74,000	3,100	2,000
NA4928	140.00	190.00	-	50.00	160.00	1.50	1.50	237,000	500,000	78,000	2,900	1,860

Designation	Dimension							Performance data
	d	D	B	C	F	r_min	s	C_r	C_0r	C_ur	n_G	n_B
	mm	mm	mm	mm	mm	mm	mm	N	N	N	min^-1	min^-1
NA4909	45.00	68.00	-	22.00	52.00	0.60	1.00	51,000	73,000	12,600	8,600	4,700
NA4909-RSR	45.00	68.00	23.00	22.00	52.00	0.60	-	43,000	59,000	9,700	5,200	-
NA4909-2RSR	45.00	68.00	23.00	22.00	52.00	0.60	-	43,000	59,000	9,700	5,200	-

No more data could be loaded.

Name	Brand	Webshop	Notice
NA4909	HFH		Premium quality, house brand
NA4909	DIV		cheap alternative

Properties	Suffix	Description
Rolling element rows	-	Single row

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Needle bearing with inner ring

NA49

Needle bearing with inner ring

NA49-2RSR

Needle bearing with inner ring

NA49-RSR

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Needle bearing with inner ring NA4909 with flange without seal