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SGS Double Row Cylindrical Roller Bearing NN 3940 OD 280mm ID 200mm

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SGS Double Row Cylindrical Roller Bearing NN 3940 OD 280mm ID 200mm

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Brand Name :	SKF , FAG , INA
Model Number :	NN 3940, NNXX Series
Certification :	ISO9001-2015/SGS/BV/CE/IAF
Price :	$3.5~350.00
Payment Terms :	T/T
Supply Ability :	250000pcs/per day
Delivery Time :	based on stock

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SGS Double Row Cylindrical Roller Bearing NN 3940 OD 280mm ID 200mm

Double Row Cylindrical Roller , NN 3940 , OD :280mm , ID:200mm ,B: 60mm, 10.6KG

Product description:

Double row cylindrical roller bearings have two types of structures: cylindrical and tapered holes (code K).

There are two main types: NNU design and NN design.

The NN type design has double ribs on the inner ring and no ribs on the outer ring. The NNU shaped design has no blocking edges on the inner ring and double blocking edges on the outer ring. The conical hole structure can adjust the radial clearance during installation. Double row cylindrical roller bearings allow for a certain axial displacement between the shaft and the bearing seat, and can be used as non positioning bearings.

This type of bearing has the advantages of compact structure, high rigidity, high load-bearing capacity, and small deformation after being loaded, making it suitable for supporting machine tool spindles.

Parameter :

bearing size				RATED LOAD		Model		structure size		Installation dimensions						weight
mm				kN		current model	old model	mm		mm						kg
d	D	B	rmin	Cr	Cor	current model	old model	Fw	Ew	damin	damax	Damin	Damax	dbmin	ramax	kg
200	280	60	2.1	420	815	NN 3940	3282940	-	259	216	221	263	-	-	2	10.6
	280	80	2.1	484	960	NN 4940K/W20	4182940Y	-	259	211	222	264	269	-	2	14.1
	280	80	2.1	570	1220	NN 4940	4282940	-	259	211	222	264	269	-	2	15.3
	280	80	2.1	570	1220	NNU 4940	4482940	225	-	211	222	-	269	228	2	15.3
	310	82	2.1	655	1170	NN 3040	3282140	-	282	211	-	285	299	-	2	22.7
	310	82	2.1	655	1170	NNU 3040	3482140	232	-	211	223	-	293	237	2	22.7
	310	109	2.1	890	1730	NN 4040	4282140	-	282	216	225	293	-	-	2	30.4
220	300	60	2.1	440	895	NN 3944	3282944	-	279	236	241	-	283	-	2	11.4
	300	80	2.1	600	1330	NN 4944	4282944	-	279	236	242	-	283	-	2	16.6
	300	80	2.1	600	1330	NNU 4944	4482944	245	-	231	242	-	289	249	2	16.6
	340	90	3	815	1480	NN 3044	3282144	-	310	233	-	313	327	-	2.5	29.6
	340	90	3	815	1480	NNU 3044	3482144	254	-	230	-	313	327	-	2.5	30
	340	118	3	1190	2400	NN 4044	4282144	-	310	233	-	313	327	-	2.5	39.8
	370	120	4	1050	1810	NN 3144	3282744	-	331	241	-	-	346	-	3	51.9
	370	120	4	1050	1810	NNU 3144	3482744	263	-	241	-	-	346	268	3	52.3
240	300	60	1.1	405	1030	NN 4848	4282848	-	283	248	255	287	290	-	1	9.77
	300	60	1.1	358	930	NNU4848	-	259	-	248	255	-	290	263	1	9.9
	320	60	2.1	460	975	NN 3948	3282948	-	300	251	262	-	309	-	2	12.2
	320	80	2.1	625	1450	NN 4948	4282948	-	300	251	262	-	309	-	2	17.9
	320	80	2.1	625	1450	NNU 4948	4482948	263	-	251	262	-	309	269	2	18
	360	92	3	855	1600	NN 3048	3282148	-	330	253	-	333	347	-	2.5	32.7
	360	92	3	855	1600	NNU 3048	3482148	274	-	253	266	-	347	280	2.5	32.7
	360	118	3	1240	2600	NN 4048	4282148	-	330	253	266	333	347	-	2.5	39.3
	360	118	3	1240	2600	NNU 4048	4482148	274	-	253	266	-	347	281	2.5	42.7
	400	128	4	1170	2040	NN 3148	3282748	-	358	256	-	362	384	-	3	64.2
	400	160	4	1880	3530	NNU 4148	4482748	282	-	256	282	-	384	291	3	85
260	360	75	2.1	670	1380	NN 3952	3282952	-	335	271	288	-	349	-	2	21.4
	360	100	2.1	711	1540	NN 4952K	4182952	-	335	271	288	-	349	-	2	29.2
	360	100	2.1	935	2100	NN 4952	4282952	-	335	271	288	-	349	-	2	28.3
	360	100	2.1	935	2100	NNU 4952	4482952	292	-	271	288	-	349	296	2	31.1
260	400	104	4	969	1810	NN 3052K	3182152	-	364	276	-	367	384	-	3	47.1
	400	104	4	969	1810	NN 3052	3282152	-	364	276	-	367	384	-	3	48.5
	400	140	4	1550	3250	NN 4052	4282152	-	364	276	-	369	384	-	3	59.7
	400	140	4	1550	3250	NNU 4052	4482152	300	-	276	289	-	384	299	3	65
	440	144	4	1480	2660	NN 3152	3282752	-	393	276	-	415	424	-	3	89.1
	440	180	4	2200	4000	NNU4152	4482752	306	-	276	300	-	424	310	3	113
280	350	69	1.1	445	1160	NN 4856	4282856	-	329	287.5	-	-	340	-	1	15.3
	350	69	2	457	1200	NNU4856K	-	303	-	287.5	298	-	340	307	1	15.5
	380	75	2.1	695	1460	NN 3956	3282956	-	355	291	-	-	369	-	2	22.7
	380	100	2.1	960	2230	NN 4956	4284956	-	355	291	-	-	369	-	2	32.9
	380	100	2.1	960	2230	NNU 4956	4482956	312	-	291	308	-	369	316	2	33
	420	106	4	1020	1950	NN 3056K	3182156	-	384	296	-	387	404	-	3	49.1
	420	106	4	1020	1950	NN 3056	3282156	-	384	296	-	387	404	-	3	49.9
	420	106	4	1080	2080	NNU3056	-	320	-	300	-	-	440	326	3	51.4
	460	146	5	1520	2790	NN 3156	3282756	-	413	300	-	416	440	-	4	95.7
300	380	80	2.1	690	1760	NNU 4860	4482860	324	-	308	320	-	369	330	2	21.7
	420	118	3	1230	2870	NN 4960	4282960	-	388	314	335	-	398	-	2.5	51.6
	420	118	3	1230	2870	NNU 4960	4482960	339	-	314	335	-	406	343	2.5	51.9
	460	118	4	1180	2250	NN 3060	3282160	-	418	316	-	421	444	-	3	71.7
	460	118	4	1180	2250	NN 3060K	3182160	-	418	316	-	421	444	-	3	69.6
	460	160	4	1920	4100	NN4060	-	-	418	316	-	-	440	-	3	97.6
	500	160	5	1760	3150	NN 3160	3282760	-	448	320	-	450	480	-	4	125
	500	160	5	1760	3150	NNU 3160	3482760	358	-	320	-	-	480	365	4	126
320	400	80	2.1	700	1840	NNU 4864	4482864	346	-	328	340	-	389	350	2	22.8
	440	118	3	1260	3050	NN 4964	4282964	-	408	334	355	-	427	-	2.5	50.2
	440	118	3	1260	3050	NN 4964K	4182964	-	408	334	355	-	427	-	2.5	52
	440	118	3	1260	3050	NNU 4964	4482964	359	-	334	355	-	426	363	2.5	54.9
	480	121	4	1350	2670	NN 3064	3282164	-	438	336	-	442	464	-	3	76.6
	480	121	4	1350	2670	NNU 3064	3482164	366	-	336	353	442	464	-	3	76.9
	480	160	4	1960	4300	NNU 4064	4482164	367	-	336	353	-	464	364	3	103
320	540	176	5	2090	3750	NNU 3164	3482764	384	-	340	379	-	520	389	4	154
340	460	90	3	905	2020	NN 3968	3282968	-	428	353	375	-	447	-	2.5	42.9
	460	118	3	1040	2450	NN 4968K	4182968	-	428	353	375	-	447	-	2.5	53.8
	460	118	3	1350	3400	NN 4968	4282968	-	428	353	375	-	447	-	2.5	52.1
	460	118	3	1350	3400	NNU 4968	4482968	379	-	354	375	-	446	383	2.5	57.8
	520	133	5	1560	3020	NN 3068K	3182168	-	473	360	-	477	500	-	4	101
	520	133	5	1560	3020	NN 3068	3282168	-	473	360	-	477	500	-	4	104
	520	133	5	1560	3020	NNU3068	3482168	387	-	360	-	-	500	400	4	104
	520	180	5	2420	5350	NNU 4068	4482168	385	-	360	377	-	500	389	4	141
360	480	90	3	930	2130	NN 3972	3282972	-	448	373	-	453	467	-	2.5	44.9
	480	118	3	1390	3550	NNU 4972	4482972	399	-	374	395	-	466	403	2.5	60.6
	540	134	5	1630	3240	NN 3072	3282172	-	493	380	-	497	520	-	4	106
	540	134	5	1630	3240	NN 3072K	3182172	-	493	380	-	497	520	-	4	106
	540	134	5	1630	3240	NNU 3072	3482172	413	-	380	-	-	520	420	4	108
	540	180	5	2530	5450	NN 4072	3282172	-	496	380	397	-	520	-	4	132
420	620	150	5	2130	4450	NN 3084	3282184	-	568	440	-	574	600	-	4	154
	620	150	5	2130	4450	NNU 3084	3482184	478	-	440	-	-	600	474	4	155
	620	200	5	3150	7100	NN 4084	4282184	-	571	440	-	574	600	-	4	189
	620	200	5	3400	7850	NNU 4084	4482184	469	-	440	460	-	600	474	4	209
	700	224	6	3550	6800	NNU 3184	3482784	501	-	444	-	-	660	508	5	347
440	540	100	2.1	950	2790	NNU 4888	4482888	470	-	448	464	-	529	476	2	49.5
	650	157	6	2360	4900	NN 3088	3282188	-	596	466	-	600	624	-	5	177
	650	157	6	2360	4900	NNU 3088	3482188	500	-	466	-	-	624	507	5	178
	720	226	6	3500	6800	NN 3188	3282788	-	649	466	-	-	680	-	5	357
460	580	118	3	1200	3600	NNU4892	4482892	497	-	474	489	-	566	502	2.5	76
	620	118	4	1610	3700	NN 3992	3282992	-	578	476	504	-	604	-	3	94.5
	620	160	4	2400	6200	NNU 4992	4482992	510	-	476	504	-	604	515	3	140
	680	163	6	2470	5070	NN 3092K	3182192	-	624	484	-	627	654	-	5	204
	680	163	6	2470	5070	NN 3092	3282192	-	624	484	-	627	654	-	5	204
480	650	170	5	2690	7000	NN 4996	4282996	-	607	500	-	-	630	-	4	164
480	700	165	6	2600	5550	NN 3096	3282196	-	643	506	-	648	674	-	5	211
	700	218	6	4300	8600	NNU4096	4482196	533	-	506	523	-	674	538	5	273
	790	248	7.5	4050	8100	NN 3196	3282796	-	708	512	-	718	758	-	6	447
500	670	170	5	2720	7200	NNU 49/500	44829/500	554	-	520	548	-	650	559	4	171
	720	167	6	2580	5600	NN 30/500	32821/500	-	664	526	-	668	694	-	5	205
	720	167	6	2580	5600	NNU 30/500	34821/500	563	-	526	-	-	694	570	5	220
530	710	136	5	2040	4900	NN 39/530	32829/530	-	663	550	582	-	690	-	4	149
	710	180	5	2900	7050	NNU 49/530	44829/530	588	-	550	582	-	690	593	4	202
	780	185	6	3200	6900	NN 30/530	32821/530	-	715	556	-	720	754	-	5	296
560	750	140	5	2370	4860	NN 39/560	32829/530	-	705	576	-	711	735	-	4	188
	750	190	5	3250	8700	NNU 49/560	44829/560	623	-	580	619	-	730	628	4	239
	780	180	8	2400	6400	NN 6/560	2872/560	-	725	580	-	732	765	-	5	266
	820	195	8	2460	6560	NN 30/560K	31821/560	-	756	586	-	761	794	-	5	341
	820	258	6	4100	10600	NN 40/560	42821/560	-	745	586	-	-	794	-	5	472
	820	258	6	5720	13100	NNU 40/560	44821/560	626	-	586	615	-	794	632	5	420
560	920	280	7.5	6850	13700	NNU 31/560	34827/560	650	-	630	-	-	-	655	6	738
600	800	200	5	3850	10500	NNU 49/600	44829/600	666	-	620	662	-	780	672	4	284
	800	200	5	3450	7180	NN 49/600K	41829/600	-	755	620	-	-	780	-	4	257
	870	200	6	3420	7785	NN 30/600	32821/600	-	803	626	-	808	844	-	5	355
	870	272	6	6138	14040	NNU 40/600	44821/600	664	-	626	653	-	844	670	5	530
	980	375	7.5	8910	18990	NNU 41/600	44827/600	699	-	633	682	-	947	706	6	1100
630	780	150	4	2290	7000	NNU 48/630	44828/630	676	-	646	667	-	764	676	3	160
	850	218	6	4200	11400	NN 49/630	42829/630	-	793	656	-	-	824	-	5	328
	850	218	6	4000	10800	NNU 49/630	44829/630	704	-	656	699	-	824	710	5	356
	920	212	7.5	3860	8820	NN 30/630	32821/630	-	845	663	-	851	887	-	6	430
	920	290	7.5	6885	15750	NNU 40/630	44821/630	699	-	663	688	-	887	705	6	635
	1030	400	7.5	9900	21600	NNU 41/630	44827/630	734	-	663	716	-	997	740	6	1330
670	900	230	6	4450	12330	NN 49/670	42829/670	-	838	696	-	-	874	-	5	419
	900	230	6	4950	13100	NNU 49/670	44829/670	738	-	696	732	-	874	744	5	430
	980	230	7.5	4620	10260	NN 30/670K	31821/670	-	901	703	-	907	947	-	6	597
670	980	308	7.5	7578	17640	NNU 40/670	44821/670	744	-	703	733	-	947	750	6	765
	1090	412	7.5	10890	22950	NNU 41/670	44827/670	774	-	703	756	-	1057	780	6	1500
710	870	160	4	2640	8350	NNU 48/710	44828/710	759	-	726	750	-	854	759	3	203
	950	243	6	4850	13770	NNU49/710	44829/710	782	-	736	776	-	924	788	5	480
	1030	236	7.5	5148	11880	NN 30/710	32821/710	-	951	743	-	957	997	-	6	590
	1030	315	7.5	8415	19440	NNU 40/710	44821/710	784	-	743	772	-	997	790	6	850
	1150	438	9.5	12060	25650	NNU 41/710	44827/710	820	-	750	800	-	1110	826	8	1790
750	920	170	5	3070	9180	NN 48/750	42828/750	-	879	770	-	887	904	-	4	240
	1000	250	6	4950	14400	NNU 49/750	44829/750	831	-	776	824	-	974	837	5	540
	1090	250	7.5	6336	14400	NN 30/750	32821/750	-	1007	783	-	1011	1057	-	6	705
	1090	335	7.5	9180	21600	NNU 40/750	44821/750	830	-	783	816	-	1057	836	6	925
	1220	475	9.5	14490	31950	NNU 41/750	44827/750	871	-	790	850	-	1180	877	8	2230
800	1060	258	6	5247	15300	NNU 49/800	44829/800	884	-	826	876	-	1034	890	5	615
	1150	258	7.5	7029	16200	NN 30/800	32821/800	-	1065	833	-	1071	1117	-	6	790
	1150	345	7.5	9720	23400	NNU 40/800	44821/800	885	-	833	871	-	1117	891	6	1140
800	1280	475	9.5	14850	32850	NNU 41/800	44827/800	921	-	840	900	-	1240	928	8	2390
850	1030	180	5	3400	11400	NNU48/850	44828/850	905	-	888	-	-	-	912	4	310
	1120	272	6	5346	16200	NNU 49/850	44829/850	939	-	876	930	-	1094	946	5	715
	1220	272	7.5	7128	16740	NN 30/850	32821/850	-	1130	883	-	1136	1187	-	6	940
	1220	365	7.5	10530	25650	NNU 40/850	44821/850	940	-	883	923	-	1187	947	6	1340
	1360	500	6	19080	40500	NNU 41/850	44827/850	976	-	897	935	-	1334	963	5	2900
900	1180	280	6	5940	18000	NNU 49/900	44829/900	986	-	926	977	-	1154	993	5	805
	1280	280	7.5	7425	18000	NN 30/900	32821/900	-	1185	933	-	1191	1257	-	6	1050
	1280	375	7.5	11520	28350	NNU 40/900	44821/900	990	-	933	963	-	1257	997	6	1500
	1420	515	6	19800	42750	NNU 41/900	44827/900	1032	-	947	1008	-	1394	1039	5	3180
950	1250	300	7.5	6633	20160	NNU 49/950	44829/950	1046	-	983	1036	-	1217	1053	6	960
	1360	300	7.5	8217	20160	NN 30/950	32821/950	-	1255	983	-	1263	1327	-	6	1300
	1360	412	7.5	12780	31950	NNU 40/950	44821/950	1050	-	983	1033	-	1327	1057	6	1900
950	1500	545	6	22950	51300	NNU 41/950	44827/950	1092	-	997	1068	-	1474	1099	5	3830
1000	1320	315	7.5	7722	23400	NNU 49/1000	44829/1000	1103	-	1033	1096	-	1287	1110	6	1250
1000	1320	315	7.5	8580	25200	NN49/1000	42829/1000	-	1238	1033	-	1249	1287	-	6	1200
	1420	308	7.5	9090	22050	NN 30/1000	32821/1000	-	1316	1033	-	1324	1387	-	6	1400
	1420	412	7.5	13860	34200	NNU 40/1000	44821/1000	1101	-	1033	1084	-	1387	1108	6	2000
	1580	580	6	24750	55800	NNU 41/1000	44827/1000	1154	-	1047	1128	-	1474	1161	5	4270
1060	1400	335	7.5	9450	27450	NNU 49/1060	44829/1060	1160	-	1093	1150	-	1367	1167	6	1350
	1500	325	9.5	9900	24750	NN 30/1060	32821/1060	-	1391	1100	-	1399	1460	-	8	1650
	1660	600	7.5	27270	62550	NNU 41/1060	44827/1060	1214	-	1116	1189	-	1627	1221	6	5070
1120	1460	335	7.5	9450	28350	NNU 49/1120	44829/1120	1220	-	1153	1210	-	1427	1227	6	1450
	1750	630	7.5	30240	68850	NNU 41/1120	44827/1120	1279	-	1176	1253	-	1717	1286	6	5600
1180	1540	355	7.5	10710	32400	NNU 49/1180	44829/1180	1285	-	1213	1270	-	1507	1293	6	1650
	1850	670	7.5	33210	76500	NNU 41/1180	44827/1180	1350	-	1227	1320	-	1817	1358	6	7200
1250	1950	710	7.5	37620	88200	NNU 41/1250	44827/1250	1426	-	1297	1396	-	1917	1434	6	8000
1320	1720	400	7.5	12420	38250	NNU 49/1320	44829/1320	1440	-	1353	1420	-	1687	1448	6	3100
	1720	400	7.5	13800	42500	NN49/1320	42829/1320	-	1620	1353	-	1640	1687	-	6	3060
	2060	750	7.5	41130	95400	NNU 41/1320	44827/1320	1507	-	1367	1474	-	2027	1515	6	9400
1400	2180	775	9.5	44550	104400	NNU 41/1400	44827/1400	1598	-	1470	1564	-	2140	1608	8	10700
1500	2300	800	9.5	47520	118800	NNU 41/1500	44827/1500	1709	-	1570	1674	-				12300

FAQ:

Q: Are your company a trading one or a factory?
A: We are factory ,our company has a professional foreign trade sales team and an experienced technical support team.

Q:What is the price term?
A: FOB ShenZhen or EXW factory

Q:What’s the warranty time?
A:12 months after shipment date.

Q:How to place order?
A:Talk to service staff, confirm details, and then place order.

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