Combined needle roller bearing 1.Material:GCr15,100Cr6,52100 2.Retainer:nylon cage,steel cage 3.Reliable quality

Combined needle roller bearingStructure:    Various type as needle roller/axial ball,needle roller/angular contact ball,needle roller/cylindrical roller,needle roller/axial rollerAccuracy:    Dimension tolerance and geometrical accuracy conform to ISO/JB/T 8877.Redial clearance conform to GB/T 4604/ISO 5753Needle/cylindrical roller precision grade is II (ISO GB/T4661).

Combined needle roller/angular contact ball bearings-NKIA, NKIB
Bearing	Dimension (mm)				Redial load (N)				Limiting speed	Mass
No.	d	F	D	B	Cr	Cor	Ca	Coa	rpm	(g)
NKIA 5901	12	16	24	16	5047	6352	2010	1620	23000	40
NKIA 5902	15	20	28	18	8400	9600	2140	2070	21000	50
NKIA 5903	17	22	30	18	8800	10600	2340	2370	20000	56
NKIA 5904	20	25	37	23	18000	21000	3140	3900	17000	103
NKIA 59/22	22	28	39	23	19500	25500	3550	4200	15000	118
NKIA 5905	25	30	42	23	20500	27000	3600	4800	14000	130
NKIA 5906	30	35	47	23	22500	31500	4050	5400	13000	147
NKIA 5907	35	42	55	27	28000	46000	5700	7500	11000	243
NKIA 5908	40	48	62	30	39000	55050	6000	8900	9000	315
NKIA 5909 X	45	52	68	30	40500	68900	6300	10500	8500	375
NKIA 5910 X	50	58	72	30	42500	75000	6890	11800	8000	380
NKIA 5911	55	63	80	34	50800	96000	8050	14500	7000	550
NKIA 5912	60	68	85	34	56400	98000	9500	15800	6500	590
NKIA 5913 X	65	72	90	34	57500	106000	9800	17000	6500	635
NKIA 5914	70	80	100	40	79050	152000	11800	22500	5500	980
NKIB 5901	12	16	24	16	7600	8300	2160	1940	23000	43
NKIB 5902	15	20	28	18	10600	13600	2340	2370	21000	52
NKIB 5903	17	22	30	18	11000	14600	2500	2750	20000	58
NKIB 5904	20	25	37	23	21000	25500	3950	4200	17000	107
NKIB 59/22	22	28	39	23	22800	29500	4250	4850	15000	122
NKIB 5905	25	30	42	23	23600	31500	4350	5200	14000	134
NKIB 5906	30	35	47	23	25000	35500	4750	6300	13000	151
NKIB 5907	35	42	55	27	31500	50000	6000	8400	11000	247
NKIB 5908	40	48	62	30	43000	67000	7400	10900	9000	320
NKIB 5909 X	45	52	68	30	45000	73000	7700	12000	8500	380
NKIB 5910 X	50	58	72	30	47000	80000	8100	13700	8000	385
NKIB 5911	55	63	80	34	58000	100000	9700	16600	7000	555
NKIB 5912	60	68	85	34	60000	108000	10000	17900	6500	595
NKIB 5913 X	65	72	90	34	61000	112000	10300	19300	6500	640
NKIB 5914	70	80	100	40	84000	156000	13500	25000	5500	985

Combined needle roller bearing NKIA NKIB