AOSN / Roller Bearings

NAV Series Full Complement Needle Roller Bearings

Full-complement needle roller bearings with an inner ring, without a cage.

Machined Needle Roller Bearings

Product Dimensions

NA, NK, NKI, RNA, NAV and RNAV in one catalogue.

Dimensions in mm. d: inner-ring bore diameter. Fw: diameter under the needle rollers (F for bearings with an inner ring). B/C: bearing width. Sorted by d or Fw, then outside diameter and width. Product images show representative constructions.

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Model	d (mm)	Fw / F (mm)	D (mm)	B / C (mm)	Inner ring	Construction	Weight (g)
NK 5/10 TN	—	5	10	10	No	Caged	3.1
NK 5/12 TN	—	5	10	12	No	Caged	3.7
NKI 5/12 TN	5	8	15	12	Yes	Caged	11.5
NKI 5/16 TN	5	8	15	16	Yes	Caged	15.3
NK 6/10 TN	—	6	12	10	No	Caged	4.7
NK 6/12 TN	—	6	12	12	No	Caged	5.7
NKI 6/12 TN	6	9	16	12	Yes	Caged	13.5
NKI 6/16 TN	6	9	16	16	Yes	Caged	17.4
NK 7/10 TN	—	7	14	10	No	Caged	6.9
NK 7/12 TN	—	7	14	12	No	Caged	8.2
NKI 7/12 TN	7	10	17	12	Yes	Caged	13.7
NKI 7/16 TN	7	10	17	16	Yes	Caged	18.2
NK 8/12 TN	—	8	15	12	No	Caged	8.7
NK 8/16 TN	—	8	15	16	No	Caged	12
NK 9/12 TN	—	9	16	12	No	Caged	10.3
NK 9/16 TN	—	9	16	16	No	Caged	12.8
NKI 9/12	9	12	19	12	Yes	Caged	16.6
NKI 9/16	9	12	19	16	Yes	Caged	21.9
NK 10/12 TN	—	10	17	12	No	Caged	10.1
NK 10/16 TN	—	10	17	16	No	Caged	13.3
NA 4900	10	14	22	13	Yes	Caged	23
NA 4900 2RS	10	—	22	14	Yes	Caged	25
NKI 10/16	10	14	22	16	Yes	Caged	29.4
NKI 10/20	10	14	22	20	Yes	Caged	37.1
NK 12/12	—	12	19	12	No	Caged	12.1
NK 12/16	—	12	19	16	No	Caged	15.9
NA 4901	12	16	24	13	Yes	Caged	26
NA 4901 2RS	12	—	24	14	Yes	Caged	28
NKI 12/16	12	16	24	16	Yes	Caged	33.3
NKI 12/20	12	16	24	20	Yes	Caged	41.9
NA 6901	12	16	24	22	Yes	Caged	46
RNA 4900	—	14	22	13	No	Caged	16.5
RNA 4900 2RS	—	14	22	13	No	Caged	16
NK 14/16	—	14	22	16	No	Caged	20.7
NK 14/20	—	14	22	20	No	Caged	25.5
NK 15/16	—	15	23	16	No	Caged	21.8
NK 15/20	—	15	23	20	No	Caged	26.6
NKI 15/16	15	19	27	16	Yes	Caged	38.8
NKI 15/20	15	19	27	20	Yes	Caged	48.7
NA 4902	15	20	28	13	Yes	Caged	34
NA 4902 2RS	15	—	28	14	Yes	Caged	37
NA 6902	15	20	28	23	Yes	Caged	63.6
NAV4002	15	—	32	17	Yes	Full complement	76
RNA 4901	—	16	24	13	No	Caged	17.4
RNA 4901 2RS	—	16	24	13	No	Caged	18
NK 16/16	—	16	24	16	No	Caged	22.4
NK 16/20	—	16	24	20	No	Caged	28.4
RNA 6901	—	16	24	22	No	Caged	31
NK 17/16	—	17	25	16	No	Caged	23.7
NK 17/20	—	17	25	20	No	Caged	29.8
NKI 17/16	17	21	29	16	Yes	Caged	42.4
NKI 17/20	17	21	29	20	Yes	Caged	53.4
NA 4903	17	22	30	13	Yes	Caged	37
NA 4903 2RS	17	—	30	14	Yes	Caged	40
NA 6903	17	22	30	23	Yes	Caged	72
NAV4003	17	—	35	18	Yes	Full complement	94
NK 18/16	—	18	26	16	No	Caged	24.9
NK 18/20	—	18	26	20	No	Caged	31.4
NK 19/16	—	19	27	16	No	Caged	26.1
NK 19/20	—	19	27	20	No	Caged	32.2
RNA 4902	—	20	28	13	No	Caged	21.7
RNA 4902 2RS	—	20	28	13	No	Caged	22
NK 20/16	—	20	28	16	No	Caged	27
NK 20/20	—	20	28	20	No	Caged	33.9
RNA 6902	—	20	28	23	No	Caged	39.7
NKI 20/16	20	24	32	16	Yes	Caged	49
NKI 20/20	20	24	32	20	Yes	Caged	61
NA 4904	20	25	37	17	Yes	Caged	75.2
NA 4904 2RS	20	—	37	18	Yes	Caged	80
NA 6904	20	25	37	30	Yes	Caged	141
NAV4004	20	—	42	22	Yes	Full complement	170
NK 21/16	—	21	29	16	No	Caged	28.1
NK 21/20	—	21	29	20	No	Caged	35.2
RNAV4002	—	21.87	32	17	No	Full complement	45
RNA 4903	—	22	30	13	No	Caged	22.2
NK 22/16	—	22	30	16	No	Caged	30
NK 22/20	—	22	30	20	No	Caged	37
RNA 6903	—	22	30	23	No	Caged	42.4
NKI 22/16	22	26	34	16	Yes	Caged	52
NKI 22/20	22	26	34	20	Yes	Caged	65.4
NA 49/22	22	28	39	17	Yes	Caged	80
NA 69/22	22	28	39	30	Yes	Caged	150
NK 24/16	—	24	32	16	No	Caged	31.9
NK 24/20	—	24	32	20	No	Caged	40
RNAV4003	—	24.3	35	18	No	Full complement	62
NK 25/16	—	25	33	16	No	Caged	32.6
NK 25/20	—	25	33	20	No	Caged	42
RNA 4904	—	25	37	17	No	Caged	52.3
RNA 6904	—	25	37	30	No	Caged	100
NKI 25/20	25	29	38	20	Yes	Caged	79.4
NKI 25/30	25	29	38	30	Yes	Caged	124
NA 4905	25	30	42	17	Yes	Caged	88
NA 4905 2RS	25	—	42	18	Yes	Caged	90
NA 6905	25	30	42	30	Yes	Caged	161
NAV4005	25	—	47	22	Yes	Full complement	195
NK 26/16	—	26	34	16	No	Caged	34
NK 26/20	—	26	34	20	No	Caged	42
NK 28/20	—	28	37	20	No	Caged	52.2
NK 28/30	—	28	37	30	No	Caged	82
RNA 49/22	—	28	39	17	No	Caged	50.2
RNA 69/22	—	28	39	30	No	Caged	98
NKI 28/20	28	32	42	20	Yes	Caged	96.5
NKI 28/30	28	32	42	30	Yes	Caged	146
NA 49/28	28	32	45	17	Yes	Caged	97.7
NA 69/28	28	32	45	30	Yes	Caged	182
RNAV4004	—	28.7	42	22	No	Full complement	114
NK 29/20	—	29	38	20	No	Caged	53.7
NK 29/30	—	29	38	30	No	Caged	84.3
NK 30/20	—	30	40	20	No	Caged	65
NK 30/30	—	30	40	30	No	Caged	97.9
RNA 4905	—	30	42	17	No	Caged	61
RNA 6905	—	30	42	30	No	Caged	112
NKI 30/20	30	35	45	20	Yes	Caged	112
NKI 30/30	30	35	45	30	Yes	Caged	170
NA 4906	30	35	47	17	Yes	Caged	101
NA 4906 2RS	30	—	47	18	Yes	Caged	100
NA 6906	30	35	47	30	Yes	Caged	192
NAV4006	30	—	55	25	Yes	Full complement	299
NK 32/20	—	32	42	20	No	Caged	68
NK 32/30	—	32	42	30	No	Caged	102
RNA 49/28	—	32	45	17	No	Caged	73.2
RNA 69/28	—	32	45	30	No	Caged	135
NKI 32/20	32	37	47	20	Yes	Caged	118
NKI 32/30	32	37	47	30	Yes	Caged	180
NA 49/32	32	40	52	20	Yes	Caged	158
NA 69/32	32	40	52	36	Yes	Caged	288
RNAV4005	—	33.5	47	22	No	Full complement	129
NK 35/20	—	35	45	20	No	Caged	73.8
NK 35/30	—	35	45	30	No	Caged	112
RNA 4906	—	35	47	17	No	Caged	69.4
RNA 6906	—	35	47	30	No	Caged	126
NKI 35/20	35	40	50	20	Yes	Caged	127
NKI 35/30	35	40	50	30	Yes	Caged	193
NA 4907	35	42	55	20	Yes	Caged	170
NA 4907 2RS	35	—	55	21	Yes	Caged	180
NA 6907	35	42	55	36	Yes	Caged	310
NAV4007	35	—	62	27	Yes	Full complement	402
NK 37/20	—	37	47	20	No	Caged	77
NK 37/30	—	37	47	30	No	Caged	113
NK 38/20	—	38	48	20	No	Caged	79.4
NK 38/30	—	38	48	30	No	Caged	116
NKI 38/20	38	43	53	20	Yes	Caged	136
NKI 38/30	38	43	53	30	Yes	Caged	207
NK 40/20	—	40	50	20	No	Caged	82.7
NK 40/30	—	40	50	30	No	Caged	125
RNA 49/32	—	40	52	20	No	Caged	89.1
RNA 69/32	—	40	52	36	No	Caged	162
NKI 40/20	40	45	55	20	Yes	Caged	142
NKI 40/30	40	45	55	30	Yes	Caged	216
NA 4908	40	48	62	22	Yes	Caged	230
NA 4908 2RS	40	—	62	23	Yes	Caged	250
NA 6908	40	48	62	40	Yes	Caged	430
NAV4008	40	—	68	28	Yes	Full complement	482
RNAV4006	—	40.1	55	25	No	Full complement	193
NK 42/20	—	42	52	20	No	Caged	85.8
NK 42/30	—	42	52	30	No	Caged	130
RNA 4907	—	42	55	20	No	Caged	107
RNA 6907	—	42	55	36	No	Caged	193
NKI 42/20	42	47	57	20	Yes	Caged	148
NKI 42/30	42	47	57	30	Yes	Caged	222
NK 43/20	—	43	53	20	No	Caged	86
NK 43/30	—	43	53	30	No	Caged	133
NK 45/20	—	45	55	20	No	Caged	91.5
NK 45/30	—	45	55	30	No	Caged	139
NKI 45/25	45	50	62	25	Yes	Caged	229
NKI 45/35	45	50	62	35	Yes	Caged	322
NA 4909	45	52	68	22	Yes	Caged	271
NA 4909 2RS	45	—	68	23	Yes	Caged	290
NA 6909	45	52	68	40	Yes	Caged	495
NAV4009	45	—	75	30	Yes	Full complement	617
RNAV4007	—	45.9	62	27	No	Full complement	259
NK 47/20	—	47	57	20	No	Caged	94.5
NK 47/30	—	47	57	30	No	Caged	142
RNA 4908	—	48	62	22	No	Caged	140
RNA 6908	—	48	62	40	No	Caged	256
NK 50/25	—	50	62	25	No	Caged	158
NK 50/35	—	50	62	35	No	Caged	221
NKI 50/25	50	55	68	25	Yes	Caged	270
NKI 50/35	50	55	68	35	Yes	Caged	379
NA 4910	50	58	72	22	Yes	Caged	274
NA 4910 2RS	50	—	72	23	Yes	Caged	300
NA 6910	50	58	72	40	Yes	Caged	515
NAV4010	50	—	80	30	Yes	Full complement	669
RNAV4008	—	51.6	68	28	No	Full complement	304
RNA 4909	—	52	68	22	No	Caged	182
RNA 6909	—	52	68	40	No	Caged	338
NK 55/25	—	55	68	25	No	Caged	180
NK 55/35	—	55	68	35	No	Caged	250
NKI 55/25	55	60	72	25	Yes	Caged	272
NKI 55/35	55	60	72	35	Yes	Caged	379
NA 4911	55	63	80	25	Yes	Caged	393
NA 6911	55	63	80	45	Yes	Caged	780
NAV4011	55	—	90	35	Yes	Full complement	1030
RNAV4009	—	57.4	75	30	No	Full complement	390
RNA 4910	—	58	72	22	No	Caged	163
RNA 6910	—	58	72	40	No	Caged	310
NK 60/25	—	60	72	25	No	Caged	185
NK 60/35	—	60	72	35	No	Caged	258
NKI 60/25	60	68	82	25	Yes	Caged	394
NKI 60/35	60	68	82	35	Yes	Caged	553
NA 4912	60	68	85	25	Yes	Caged	426
NA 6912	60	68	85	45	Yes	Caged	808
NAV4012	60	—	95	35	Yes	Full complement	1087
RNAV4010	—	62.1	80	30	No	Full complement	426
RNA 4911	—	63	80	25	No	Caged	255
RNA 6911	—	63	80	45	No	Caged	470
NK 65/25	—	65	78	25	No	Caged	221
NK 65/35	—	65	78	35	No	Caged	310
NA 4913	65	72	90	25	Yes	Caged	456
NKI 65/25	65	73	90	25	Yes	Caged	467
NKI 65/35	65	73	90	35	Yes	Caged	659
NA 6913	65	72	90	45	Yes	Caged	833
NAV4013	65	—	100	35	Yes	Full complement	1156
NK 68/25	—	68	82	25	No	Caged	241
NK 68/35	—	68	82	35	No	Caged	338
RNA 4912	—	68	85	25	No	Caged	275
RNA 6912	—	68	85	45	No	Caged	488
RNAV4011	—	69.8	90	35	No	Full complement	645
NK 70/25	—	70	85	25	No	Caged	260
NK 70/35	—	70	85	35	No	Caged	370
NKI 70/25	70	80	95	25	Yes	Caged	521
NKI 70/35	70	80	95	35	Yes	Caged	737
NA 4914	70	80	100	30	Yes	Caged	728
NA 6914	70	80	100	54	Yes	Caged	1340
NAV4014	70	—	110	40	Yes	Full complement	1666
RNA 4913	—	72	90	25	No	Caged	312
RNA 6913	—	72	90	45	No	Caged	580
NK 73/25	—	73	90	25	No	Caged	302
NK 73/35	—	73	90	35	No	Caged	428
RNAV4012	—	74.6	95	35	No	Full complement	677
NK 75/25	—	75	92	25	No	Caged	315
NK 75/35	—	75	92	35	No	Caged	445
NKI 75/25	75	85	105	25	Yes	Caged	641
NA 4915	75	85	105	30	Yes	Caged	775
NKI 75/35	75	85	105	35	Yes	Caged	908
NA 6915	75	85	105	54	Yes	Caged	1450
NAV4015	75	—	115	45	Yes	Full complement	1762
NK 80/25	—	80	95	25	No	Caged	301
NK 80/35	—	80	95	35	No	Caged	425
RNA 4914	—	80	100	30	No	Caged	460
RNA 6914	—	80	100	54	No	Caged	857
NKI 80/25	80	90	110	25	Yes	Caged	677
NA 4916	80	90	110	30	Yes	Caged	878
NKI 80/35	80	90	110	35	Yes	Caged	959
NA 6916	80	90	110	54	Yes	Caged	1522
NAV4016	80	—	125	45	Yes	Full complement	2450
RNAV4013	—	80.3	100	35	No	Full complement	692
NK 85/25	—	85	105	25	No	Caged	425
RNA 4915	—	85	105	30	No	Caged	489
NK 85/35	—	85	105	35	No	Caged	600
RNA 6915	—	85	105	54	No	Caged	935
NKI 85/26	85	95	115	26	Yes	Caged	743
NKI 85/36	85	95	115	36	Yes	Caged	1040
NA 4917	85	100	120	35	Yes	Caged	1250
NA 6917	85	100	120	63	Yes	Caged	2200
NAV4017	85	—	130	45	Yes	Full complement	2500
RNAV4014	—	88	110	40	No	Full complement	950
NK 90/25	—	90	110	25	No	Caged	450
RNA 4916	—	90	110	30	No	Caged	516
NK 90/35	—	90	110	35	No	Caged	630
RNA 6916	—	90	110	54	No	Caged	987
NKI 90/26	90	100	120	26	Yes	Caged	778
NKI 90/36	90	100	120	36	Yes	Caged	1090
NA 4918	90	105	125	35	Yes	Caged	1312
NA 6918	90	105	125	63	Yes	Caged	2310
RNAV4015	—	92.7	115	45	No	Full complement	1000
NK 95/26	—	95	115	26	No	Caged	490
NK 95/36	—	95	115	36	No	Caged	680
NKI 95/26	95	105	125	26	Yes	Caged	816
NKI 95/36	95	105	125	36	Yes	Caged	1145
NA 4919	95	110	130	35	Yes	Caged	1371
NA 6919	95	110	130	63	Yes	Caged	2500
NK 100/26	—	100	120	26	No	Caged	515
RNA 4917	—	100	120	35	No	Caged	657
NK 100/36	—	100	120	36	No	Caged	715
RNA 6917	—	100	120	63	No	Caged	1200
NKI 100/30	100	110	130	30	Yes	Caged	990
NKI 100/40	100	110	130	40	Yes	Caged	1330
NA 4920	100	115	140	40	Yes	Caged	1900
RNAV4016	—	100.3	125	45	No	Full complement	1400
RNAV4017	—	104.8	130	45	No	Full complement	1540
NK 105/26	—	105	125	26	No	Caged	540
RNA 4918	—	105	125	35	No	Caged	745
NK 105/36	—	105	125	36	No	Caged	713
RNA 6918	—	105	125	63	No	Caged	1330
NK 110/30	—	110	130	30	No	Caged	650
RNA 4919	—	110	130	35	No	Caged	719
NK 110/40	—	110	130	40	No	Caged	830
RNA 6919	—	110	130	63	No	Caged	1460
NA 4822	110	120	140	30	Yes	Caged	1080
NKI 110/40	110	120	140	40	Yes	Caged	1460
NA 4922	110	125	150	40	Yes	Caged	2070
RNA 4920	—	115	140	40	No	Caged	1150
RNA 4822	—	120	140	30	No	Caged	670
NK 120/40	—	120	140	40	No	Caged	910
NA 4824	120	130	150	30	Yes	Caged	1170
NA 4924	120	135	165	45	Yes	Caged	2860
RNA 4922	—	125	150	40	No	Caged	1240
RNA 4824	—	130	150	30	No	Caged	730
NA 4826	130	145	165	35	Yes	Caged	1810
NA 4926	130	150	180	50	Yes	Caged	3900
RNA 4924	—	135	165	45	No	Caged	1860
NA 4828	140	155	175	35	Yes	Caged	1920
NKI 140/32	140	155	180	32	Yes	Caged	2050
NA 4928	140	160	190	50	Yes	Caged	4150
RNA 4826	—	145	165	35	No	Caged	990
RNA 4926	—	150	180	50	No	Caged	2210
NA 4830	150	165	190	40	Yes	Caged	2720
RNA 4828	—	155	175	35	No	Caged	1050
NK 155/32	—	155	180	32	No	Caged	1200
RNA 4928	—	160	190	50	No	Caged	2350
NA 4832	160	175	200	40	Yes	Caged	2890
RNA 4830	—	165	190	40	No	Caged	1600
NA 4834	170	—	215	45	Yes	Caged	3960
RNA 4832	—	175	200	40	No	Caged	1700
NA 4836	180	—	225	45	Yes	Caged	4200
RNA 4834	—	185	215	45	No	Caged	2540
NA 4838	190	—	240	50	Yes	Caged	5610
RNA 4836	—	195	225	45	No	Caged	2680
NA 4840	200	—	250	50	Yes	Caged	5840
RNA 4838	—	210	240	50	No	Caged	3210
RNA 4840	—	220	250	50	No	Caged	3350
NA 4844	220	—	270	50	Yes	Caged	6380
RNA 4844	—	240	270	50	No	Caged	3620
NA 4848	240	—	300	60	Yes	Caged	10000
NA 4852	260	—	320	60	Yes	Caged	10600
RNA 4848	—	265	300	60	No	Caged	5400
NA 4856	280	—	350	69	Yes	Caged	15300
RNA 4852	—	285	320	60	No	Caged	5800
NA 4860	300	—	380	80	Yes	Caged	21800
RNA 4856	—	305	350	69	No	Caged	9300
NA 4864	320	—	400	80	Yes	Caged	23000
RNA 4860	—	330	380	80	No	Caged	12700
NA 4868	340	—	420	80	Yes	Caged	24200
RNA 4864	—	350	400	80	No	Caged	13400
NA 4872	360	—	440	80	Yes	Caged	25600
RNA 4868	—	370	420	80	No	Caged	14000
NA 4876	380	—	480	100	Yes	Caged	42600
RNA 4872	—	390	440	80	No	Caged	14800
RNA 4876	—	415	480	100	No	Caged	26000

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