NA 69 Series NA6904

Technical Details

Bore Diameter (mm) d	Outer Diameter (mm) D	Width (mm) B	Weight (Kg)
20	37		0.141

KZ SERIES : NA6901, NA6901 2RS, NA6912, NA6912 2RS, NA69/22, NA69/22 2RS, NA69/32, NA69/32 2RS

NA69: Double Row Machined-Ring Needle Roller Bearing, heavy-duty needle roller bearings.

Needle roller bearings of the series NA69 series NA6904 are wider and heavier than needle roller bearings of the series NA49 and can thus support considerably higher radial loads. Needle roller bearings with an inner ring are used for applications where the shaft cannot be hardened and ground. The permissible axial displacement of the shaft relative to the housing is limited for bearings with an inner ring. If the permissible axial displacement provided by a standard inner ring is insufficient, it is possible to use an extended inner ring.

Applications and industry: AGRICULTURE, AUTOMOTIVE, CEMENT INDUSTRY, CRUSHER INDUSTRY, HEAVY MACHINERY EQUIPMENTS, HOME APPLIANCES, MINING SECTOR, METAL INDUSTRY, FLUID MACHINERY, TEXTILE INDUSTRY

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Bearing Number	Inner Diameter (d) MM	Outer Diameter (D) MM	C	fw	Basic Load Rating (N) Dyn. C	Basic Load Rating (N) Stat. C0	Limiting Speed	Weight (KG)
NA6904	20	37	30	25	29200	40400	12800	0.141
NA69042RS	20	31	37	25	26960	36320	6000	0.137
NA69/22	22	39	30	28	32000	46800	11200	0.154
NA69/222RS	22	31	39	28	27600	42400	5600	0.153
NA6905	25	42	30	30	33200	50400	10400	0.162
NA69052RS	25	31	42	30	32000	47840	5200	0.162
NA69/28	28	45	30	32	34400	53600	10400	0.179
NA69/282RS	28	31	45	32	31760	48240	4800	0.177
NA6906	30	47	30	35	34000	54000	8800	0.185
NA69062RS	30	31	47	35	32720	51440	4400	0.185
NA69/32	32	52	36	40	38000	65600	8000	0.286
NA69/322RS	32	37	52	40	41040	72080	4000	0.3
NA6907	35	55	36	42	39200	69200	7600	0.31
NA69072RS	35	37	55	42	42080	75520	3600	0.32
NA6908	40	62	40	48	53600	92800	6800	0.426
NA69082RS	40	41	62	48	52000	95200	3200	0.44
NA6909	45	68	40	52	56400	101600	6000	0.437
NA69092RS	45	41	68	52	54400	103200	2800	0.52
NA6910	50	72	40	58	59200	111200	5600	0.529
NA69102RS	50	41	72	58	57760	116000	2800	0.53
NA6911	55	80	45	63	75200	146400	5200	0.726
NA69112RS	55	46	80	63	72960	140000	2400	0.73
NA6912	60	85	45	68	76400	152800	4800	0.758
NA69122RS	60	46	85	68	76240	151200	2400	0.785
NA6913	65	90	45	72	77600	158400	4400	0.779
NA69132RS	65	46	90	72	79520	163200	2000	0.845
NA6914	70	100	54	80	104000	213600	4000	1.34
NA69142RS	70	55	100	80	100800	229600	2000	1.4
NA6915	75	105	54	85	105600	221600	3760	1.45
NA69152RS	75	55	105	85	104000	244000	1600	1.48
NA6916	80	110	54	90	109600	238400	3520	1.53
NA69162RS	80	55	110	90	108000	258400	1600	1.57
NA6917	85	120	63	100	135200	320000	3200	2.25
NA69172RS	85	64	120	100	136800	364800	1520	2.36
NA6918	90	125	63	105	140000	340000	3040	2.44
NA69182RS	90	64	125	105	140800	384000	1440	2.48
NA6919	95	130	63	110	141600	352000	2880	2.63
NA69192RS	95	64	130	110	144000	402400	1360	2.6