NK Series

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Description And Technical diameters

Needle roller bearings are a bearing that is classified as either radial or thrust depending on the direction of the load being supported. Needle roller bearings include bearings whose rollers slightly exceed the size range of needle rollers as stipulated by ISO. Needle roller bearings include drawn cup and solid radial bearings, as well as application-specific cam followers, and roller followers. Thrust bearings include thrust needle bearings.

select	Inquiry	Designation	Principal Dimensions(mm)				Cr	Cor	Fatigue load limit Cu	Reference speed	Limit speed	Weight
select	Inquiry	Designation	Fw	D	C	r	(N)	(N)	(N)	U/min	U/min	(g)
		NK26/16	26 mm	34 mm	16 mm	0,3 mm	17300 N	23600 N	4350 N	17200 U/min	10300 U/min	34 g
		NK253425	25	34	25
		NK253422	25	34	22
		NK 24/20	24 mm	34 mm	20 mm	0,3 mm	21400 N	30500 N	5300 N	18500 U/min	10700 U/min	40 g
		NKS22	22	35	20		21500	25000		17000
		NK28/30	28 mm	37 mm	30 mm	0,3 mm	37000 N	57000 N	10500 N	15800 U/min	9000 U/min	82 g
		NK28/20	28 mm	37 mm	20 mm	0,3 mm	24800 N	34000 N	5900 N	15800 U/min	9300 U/min	52,2 g
		NK29/30	29 mm	38 mm	30 mm	0,3 mm	37000 N	5700 N	10600 N	15300 U/min	8800 U/min	84,3 g
		NK29/20	29 mm	38 mm	20 mm	0,3 mm	27500 N	39000 N	6900 N	15300 U/min	8700 U/min	50 g
		NK253825	25	38	25
		NK253820	25	38	20
		NKS25	25	38	20		25800	31000		16300
		NK304013	30	40	13
		NK30/30	30 mm	40 mm	30 mm	0,3 mm	42000 N	69000 N	12700 N	14800 U/min	8200 U/min	92,4 g
		NK30/20	30 mm	40 mm	20 mm	0,3 mm	28000 N	41000 N	7200 N	14800 U/min	8500 U/min	61 g
		NK27X40X25	27	40	25
		NK35/20	32 mm	42 mm	30 mm	0,3 mm	39000 N	63000 N	11700 N	14000 U/min	9300 U/min	102 g
		NK32/20	32 mm	42 mm	20 mm	0,3 mm	29500 N	44500 N	7800 N	14000 U/min	8000 U/min	64 g
		NKS28	28	42	20		25900	33500		15000
		NK304430	30	44	30
		NK31.75X44.45X31.75	31.75	44.45	31.75
		NK37/20	35 mm	45 mm	30 mm	0,3 mm	46000 N	81000 N	15000 N	12300 U/min	6600 U/min	106 g
		NK354512	35	45	12
		NK35/30	35 mm	45 mm	20 mm	0,3 mm	31000 N	48500 N	8500 N	12900 U/min	7400 U/min	69,4 g
		NKS30	30	45	17		32000	40000		14000
		NK254517.5	25	45	17.5
		NK304630	30	46	30
		NK37/30	37 mm	47 mm	20 mm	0,3 mm	42000 N	73000 N	13500 N	12300 U/min	7200 U/min	113 g
		NK354830	35	48	30
		NK38/20	38 mm	48 mm	20 mm	0,3 mm	29000 N	45000 N	7900 N	12000 U/min	7200 U/min	79,4 g
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