N系列美标ANSI英制锁紧螺母

SKF公司的N系列锁紧螺母用于将轴承锁定在轴或紧定套上。其圆周上等距分布四个槽，方便使用钩子或冲击扳手锁紧。取决于尺寸和系列，锁紧螺母通过一个 W 型垫圈或者 PL 锁定板固定在轴上。锁紧装置卡在轴或者锁紧套螺纹中的键槽内。在没有损坏的情况下，N系列锁紧螺母可以重复使用。

紧固装置简单、稳定且可靠
便于装拆
可采用新的锁定装置重复使用
轴或者锁紧套螺纹中需要键槽

零件型号	螺纹尺寸 G[mm]	每英寸螺纹数	外径 d₃max.[mm]	厚度 B[mm]	含防松扣厚度 B₅[mm]	凸台 d₁[mm]	防松扣P.C.D d₂[mm]	槽宽 b[mm]	槽深 h[mm]	轴向载荷 [kN]	重量 [kg]	锁紧装置
N00	9.931	32	19.177	5.817	_	15.875	_	3.048	1.854	13	0.0075	W 00
N01	11.913	32	22.352	8.204	_	18.263	_	3.048	1.854	23	0.0144	W 01
N02	14.884	32	25.527	8.204	_	20.65	_	3.048	2.642	26	0.0178	W 02
N03	16.866	32	28.702	8.992	_	23.825	_	3.048	2.642	33	0.024	W 03
N04	19.837	32	35.052	9.779	_	28.575	_	4.521	2.642	44	0.0408	W 04
N05	24.613	32	39.827	10.566	_	32.537	_	4.521	2.642	54	0.048	W 05
N06	29.794	18	44.577	10.566	_	38.1	_	4.521	2.642	57	0.0608	W 06
N07	34.95	18	52.527	11.379	_	46.05	_	4.521	2.642	73	0.0945	W 07
N08	39.7	18	57.277	11.379	_	50.8	_	6.096	2.642	77	0.105	W 08
N09	44.882	18	64.414	11.379	_	57.937	_	6.096	2.642	86	0.132	W 09
N10	49.962	18	68.402	12.954	_	61.925	_	6.096	2.642	101	0.157	W 10
N11	54.788	18	75.54	12.954	_	67.462	_	6.096	3.429	113	0.188	W 11
N12	59.944	18	80.289	13.741	_	72.238	_	6.096	3.429	122	0.21	W 12
N13	64.719	18	85.852	14.554	_	77.8	_	6.096	3.429	138	0.24	W 13
N14	69.875	18	92.202	14.554	_	84.15	_	6.096	3.429	147	0.291	W 14
AN15	74.498	12	98.552	15.342	_	90.5	_	9.144	3.429	153	0.357	W 15
AN16	79.68	12	105.689	15.342	_	97.638	_	9.144	3.429	166	0.417	W 16
AN17	84.836	12	112.039	16.129	_	102.387	_	9.144	4.216	185	0.478	W 17
AN18	89.586	12	118.389	17.729	_	108.737	_	9.144	4.216	219	0.533	W 18
AN19	94.742	12	125.552	18.517	_	115.9	_	9.144	4.216	245	0.622	W 19
AN20	99.517	12	131.902	19.304	_	122.25	_	9.144	4.216	270	0.746	W 20
AN21	104.699	12	138.252	19.304	_	127	_	12.319	5.029	280	0.8	W 21
AN22	109.855	12	145.39	20.091	_	134.137	_	12.319	5.029	310	0.978	W 22
N022	109.855	12	135.077	20.091	_	124.485	_	12.319	5.029	245	0.63	W 022
AN24	119.786	12	155.702	20.904	_	144.475	_	12.319	5.029	335	1.06	W 24
N024	119.786	12	144.602	20.904	_	134.95	_	12.319	5.029	260	0.71	W 024
AN26	129.692	12	171.577	22.479	_	157.175	_	15.494	6.604	415	1.4	W 26
N026	129.692	12	155.702	22.479	_	144.856	_	12.319	5.029	295	0.86	W 026
AN28	139.624	12	180.315	24.079	_	165.887	_	15.494	6.604	450	1.16	W 28
N028	139.624	12	165.227	24.079	_	155.169	_	12.319	5.029	320	0.98	W 028
AN30	149.555	12	195.402	24.867	_	179.4	_	15.494	7.391	520	2.01	W 30
N030	149.555	12	181.102	24.867	_	169.875	_	15.494	5.817	400	1.44	W 030
AN32	159.614	8	204.927	26.441	_	188.925	_	15.494	7.391	560	2.38	W 32
N032	159.614	8	190.627	26.441	_	180.188	_	15.494	5.817	425	1.63	W 032
AN34	169.139	8	219.989	27.254	_	203.987	_	15.494	7.391	640	3.05	W 34
N034	169.139	8	200.152	27.254	_	190.094	_	15.494	5.817	445	1.68	W 034
AN36	179.476	8	230.327	28.042	_	212.725	_	18.669	8.204	675	3	W 36
N036	179.476	8	209.677	28.042	_	200.025	_	15.494	5.817	460	1.75	W 036
AN38	189.789	8	240.64	28.829	_	223.037	_	18.669	8.204	705	3.42	W 38
N038	189.789	8	220.802	28.829	_	209.956	_	15.494	5.817	490	2.12	W 038
AN40	199.314	8	250.165	30.429	_	232.562	_	18.669	8.204	760	3.84	W 40
N040	199.314	8	239.852	30.429	_	222.25	_	18.669	8.204	645	2.76	W 040
N044	219.151	8	260.477	32.004	_	242.087	_	21.844	9.779	705	3.52	W 044
N44	219.151	8	279.527	32.004	_	250.012	_	24.892	12.954	930	4.62	W 44
N048	239.827	6	290.652	34.392	43.129	269.875	264.744	21.844	9.779	_	4.98	PL 48
N052	258.877	6	309.702	35.966	44.704	289.712	286.969	21.844	9.779	_	5.65	PL 52
N056	279.502	6	330.327	38.354	47.092	310.363	307.594	24.892	9.779	_	6.33	PL 56
N060	299.339	6	360.502	39.954	49.479	335.763	332.994	24.892	12.954	_	9.16	PL 60
N064	319.075	6	381.127	42.316	51.841	356.387	352.044	24.892	12.954	_	10.5	PL 64
N068	338.811	5	400.177	45.491	55.016	376.25	374.269	24.892	12.954	_	11.7	PL 68
N072	359.918	5	419.227	45.491	59.766	393.7	393.319	24.892	12.954	_	11.8	PL 72
N076	379.908	5	450.977	48.666	59.766	422.275	418.719	31.242	15.342	_	15.7	PL 76
N080	399.923	5	470.027	52.654	63.5	444.068	437.769	31.242	15.342	_	18.2	PL 80
N084	419.913	5	490.677	52.654	63.5	461.975	459.994	34.417	15.342	_	18.5	PL 84
N088	439.903	5	520.827	60.579	73.812	488.95	485.394	34.417	15.342	_	24.1	PL 88
N092	459.918	5	539.877	60.579	73.812	525.475	507.619	34.417	15.342	_	25.5	PL 92
N096	479.908	5	560.527	60.579	74.6	527.05	525.094	37.592	15.342	_	25.9	PL 96
N500	499.923	5	579.577	68.656	82.55	550.875	548.894	37.592	15.342	_	37	PL 500
N530	530.022	4	630.377	68.656	82.55	590.55	593.344	40.767	20.904	_	49	PL 530
N560	560.019	4	649.427	75.006	89.205	609.6	612.394	40.767	20.904	_	50	PL 560
N600	600.024	4	700.227	75.006	89.205	660.4	658.444	40.767	20.904	_	60.5	PL 600
N630	630.022	4	730.377	75.006	89.205	688.975	691.769	47.117	20.904	_	63	PL 630
N670	670.027	4	779.602	79.756	93.955	739.775	736.219	47.117	20.904	_	78	PL 670
N710	710.209	3	830.402	90.881	105.08	779.475	777.494	50.292	25.654	_	104	PL 710
N750	750.214	3	870.077	90.881	105.893	820.75	818.769	56.642	25.654	_	109	PL 750
N850	850.214	3	979.627	90.881	107.925	923.925	926.719	62.992	25.654	_	122	PL 850
N900	900.201	3	1 030.427	100.406	117.45	974.725	980.694	62.992	25.654	_	155	PL 900
N950	950.214	3	1 092.327	100.406	117.45	1028.7	1031.494	62.992	25.654	_	188	PL 950