Double Row Cylindrical Roller Bearings

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منزل > Products > Cylindrical Roller Bearings > Double Row Cylindrical Roller Bearings

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Designation		Dimensions (mm)					Basic loadratings		Limiting Speed r/min		Mass
Designation		Dimensions (mm)					Basic loadratings		Limiting Speed r/min		Mass
New Code	Old Code	d	D	B	rsmin	r1smin	Cr(KN)	Cor(KN)	Grease	Oil	(Kg)
NN3005K/W33	3182105K	25	47	12			26	30	19000	22000
NN3006K/W33	3182106K	30	55	19			30.8	37.5	16000	18000
NN3007/W33	3182107K	35	62	20			39.1	50	14000	16000
NN3008/W33	3182108K	40	68	21			42.9	56	12000	14000
NN3009/W33	3182109K	45	75	23			50.1	65.5	11000	13000
NN3010/W33	3182110K	50	80	23			52.8	73.8	10000	12000
NN3011/W33	3182111K	55	90	26			69.3	96.5	9500	11000
NN3012/W33	3182112K	60	95	26			73.7	106	9000	10000
NN3013/W33	3182113K	65	100	26			76.5	116	8500	9500
NN3014/W33	3182114K	70	110	30			96.8	150	7500	8500
NN3015/W33	3182115K	75	115	30			96.8	150	7000	8000
NN3016/W33	3182116K	80	125	34			119	186	6700	7500
NN3017/W33	3182117K	85	130	34			125	204	6300	7000
NN3018/W33	3182118K	90	140	37			138	216	6000	6700
NN3020/W33	3182120K	100	150	37			151	250	5300	6000
NN3021/W33	3182121K	105	160	41			190	305	5000	5600
NN3022/W33	3182122K	110	170	45			220	360	4800	5300
NN3024/W33	3182124K	120	180	46			229	390	4500	5000
NN3026/W33	3182126K	130	220	52			286	480	4000	4500
NN3028/W33	3182128K	140	210	53			286	480	4000	4500
NN3030/W33	3182130K	150	225	56			286	480	4000	4500
NN3032/W33	3182132K	160	240	60			286	480	4000	4500
NN3034/W33	3182134K	170	260	67			286	480	4000	4500
NN3036/W33	3182136K	180	280	74			286	480	4000	4500
NN3038/W33	3182138K	190	290	75			286	480	4000	4500
NN3040/W33	3182140K	200	310	82			286	480	4000	4500
NN3044/W33	3182144K	220	340	90			286	480	4000	4500
NN3048/W33	3182148K	240	360	92			286	480	4000	4500
NN3052/W33	3182152K	260	400	104			286	480	4000	4500
NN3056/W33	3182156K	280	420	106			286	480	4000	4500
NN3064/W33	3182164K	320	480	121			286	480	4000	4500
NN4830	-	150	190	40	1.1	1.1	190	450	2400	3000	2.8
NN4830K	-	150	190	40	1.1	1.1	190	450	2400	3000	2.75
NNU4930	4482930	150	210	60	2	2	300	590	2000	2600	6.3
NNU4930K	4382930	150	210	60	2	2	300	590	2000	2600	6.2
NN3030	3282130	150	225	56	2.1	2.1	330	570	2000	2600	7.8
NN3030K	3182130	150	225	56	2.1	2.1	330	570	2000	2600	7.7
NNU4130	-	150	250	100	2.1	2.1	680	1170	1900	2400	18
NNU4130K	-	150	250	100	2.1	2.1	680	1170	1900	2400	17.5
NNU4932	4482932	160	220	60	2	2	315	620	2000	2600	6.6
NNU4932K	4382932	160	220	60	2	2	315	620	2000	2600	6.5
NN3032	3282132	160	240	60	2.1	2.1	345	650	1900	2400	8.4
NN3032K	3182132	160	240	60	2.1	2.1	345	650	1900	2400	8.3
NNU4132	-	160	270	109	2.1	2.1	850	1380	1800	2200	25
NNU4132K	-	160	270	109	2.1	2.1	850	1380	1800	2200	24.5
NNU4934	4482934	170	230	30	2	2	330	680	2000	2600	7
NNU4934K	4382934	170	230	60	2	2	330	680	2000	2600	6.9
NN3034	3282134	170	260	67	2.1	2.1	435	810	1900	2400	13.3
NN3034K	3182134	170	260	67	2.1	2.1	435	810	1900	2400	12.9
NNU4134	-	170	280	109	2.1	2.1	880	1500	1600	2000	26
NNU4134K	-	170	280	109	2.1	2.1	880	1500	1600	2000	25.5
NNU4936	4482936	180	250	69	2	2	400	770	1900	2400	11
NNU4936K	4382936	180	250	69	2	2	400	770	1900	2400	10.5
NN3036	3282136	180	280	74	2.1	2.1	550	1000	1800	2200	17
NN3036K	3182136	180	280	74	2.1	2.1	550	1000	1800	2200	16.5
NNU4136	-	180	300	118	3	3	980	1650	1500	1900	33
NNU4136K	-	180	300	118	3	3	980	1650	1500	1900	32.5
NNU4938	4482938	190	260	69	2	2	400	800	1800	2200	11.5
NNU4938K	4382938	190	260	69	2	2	400	800	1800	2200	11
NN3038	3282138	190	290	75	2.1	2.1	560	1000	1600	2000	18
NN3038K	3182138	190	290	75	2.1	2.1	560	1000	1600	2000	17.5
NNU4138	-	190	320	128	3	3	1200	2000	1400	1800	41.5
NNU4138K	-	190	320	128	3	3	1200	2000	1400	1800	41
NNU4840	-	200	250	50	1.1	1.1	240	540	1900	2400	5.8
NNU4840K	-	200	250	50	1.1	1.1	240	540	1900	2400	5.75
NNU4940	4482940	200	280	80	2.1	2.1	480	950	1800	2300	15
NNU4940K	4382940	200	280	80	2.1	2.1	480	950	1800	2300	14.5
NN3040	3282140	200	310	82	2.1	2.1	640	1100	1600	2000	22.5
NN3040K	3182140	200	310	82	2.1	2.1	640	1100	1600	2000	22
NNU4140	-	200	340	140	3	3	1350	2300	1400	1700	52
NNU4140K	-	200	340	140	3	3	1350	2300	1400	1700	50
NNU4944	4482944	220	300	80	2.1	2.1	480	1050	1600	2000	17
NNU4944K	4382944	220	300	80	2.1	2.1	480	1050	1600	2000	16.5
NN3044	3282144	220	340	90	3	3	790	1400	1400	1800	31
NN3044K	3182144	220	340	90	3	3	790	1400	1400	1800	30.5
NNU4144	-	220	370	150	4	4	150	2650	1200	1500	66
NNU4144K	-	220	370	150	4	4	1500	2650	1200	1500	65
NNU4848	-	240	300	60	1.1	1.1	350	850	1800	2200	10
NNU4848K	-	240	300	60	1.1	1.1	350	850	1800	2200	9.8
NNU4948	4482948	240	320	80	2.1	2.1	500	1100	1600	2000	18
NNU4948K	4382948	240	320	80	2.1	2.1	500	1100	1600	2000	17.5
NN3048	3282148	240	360	92	3	3	810	1550	1400	1800	32
NN3048K	3182148	240	360	92	3	3	810	1550	1400	1800	31.5
NNU4148	-	240	400	160	4	4	1800	3300	1100	1400	86
NNU4148K	-	240	400	160	4	4	1800	3300	1100	1400	85
NNU4952	4482952	260	360	100	2.1	2.1	710	1500	1400	1800	30
NNU4952K	4382952	260	360	100	2.1	2.1	710	1500	1400	1800	29
NN3052	3282152	260	400	104	4	4	960	1800	1300	1600	48
NN3052K	3182152	260	400	104	4	4	960	1800	1300	1600	47
NNU4052	-	260	400	140	4	4	1500	2850	1200	1500	64
NNU4052K	-	260	400	140	4	4	1500	2850	1200	1500	63.5
NNU44152	-	260	440	180	4	4	2000	3550	1000	1300	112
NNU4152K	-	260	440	180	4	4	2000	3550	1000	1300	110
NNU4856	-	280	350	69	1.1	2	450	1150	1400	1700	16
NNU4856K	-	280	350	69	1.1	2	450	1150	1400	1700	15.5
NNU4956	4482956	280	380	100	2.1	2.1	700	1650	1300	1600	33
NNU4956K	4382956	280	380	100	2.1	2.1	700	1650	1300	1600	32.5
NN3056	3282156	280	420	106	4	4	1000	1900	1600	2000	50
NN3056K	3182156	280	420	106	4	4	1000	1900	1600	2000	49.5
NNU4056	-	280	420	140	4	4	1500	2850	1100	1400	67
NNU4056K	-	280	420	140	4	4	1500	2850	1100	1400	66.5
NNU4156	-	280	460	180	5	5	2300	4300	950	1200	122
NNU4156K	-	280	460	180	5	5	2300	4300	950	1200	120
NNU4860	-	300	380	80	1.5	2.1	530	1450	1700	2200	22.5
NNU4860K	-	300	380	80	1.5	2.1	530	1450	1700	2200	22
NNU4960	4482960	300	420	118	3	3	950	2150	1600	2000	51
NNU4960K	4382960	300	420	118	3	3	950	2150	1600	2000	50
NN3060	3282160	300	460	118	4	4	1150	2200	1500	1900	70
NN3060K	3182160	300	460	118	4	4	1150	2200	1500	1900	68.5
NNU4060	-	300	460	160	4	4	1850	3600	1000	1300	97
NNU4060K	-	300	460	160	4	4	1850	3600	1000	1300	96
NNU4160	-	300	500	200	5	5	2600	4800	900	1100	157
NU4160K	-	300	500	200	5	5	2600	4800	900	1100	155
NNU4864	-	320	400	80	1.5	2.1	700	1850	1200	1500	24
NNU4864k	-	320	400	80	1.5	2.1	700	1850	1200	1500	23.5
NNU4964	4482964	320	440	118	3	3	1000	2250	1100	1400	54
NNU4964k	4382964	320	440	118	3	3	1000	2250	1100	1400	53
NN3064	3282164	320	480	121	4	4	1200	2350	1000	1300	76.5
NN3064K	3182164	320	480	121	4	4	1200	2350	1000	1300	75
NNU4064	-	320	480	160	4	4	1950	3900	950	1200	102
NNU4064K	-	320	480	160	4	4	1950	3900	950	1200	100
NNU4164	-	320	540	218	5	5	3100	5600	800	1000	202
NNU4164K	-	320	540	218	5	5	3100	5600	800	1000	200
NNU4868	-	340	420	80	1.5	2.1	600	1650	1100	1400	25.5
NNU4868K	-	340	420	80	1.5	2.1	600	1650	1100	1400	25
NNU4968	4482968	340	460	118	3	3	1000	2400	1000	1300	57
NNU4968K	4382968	340	460	118	3	3	1000	2400	1000	1300	56
NN3068	3282168	340	520	133	5	5	1550	3000	950	1200	100
NN3068K	3182168	340	520	133	5	5	1550	3000	950	1200	99
NNU4068	-	340	520	180	5	5	2300	4600	900	1100	142
NNU4068K	-	340	520	180	5	5	2300	4600	900	1100	140
NNU4168	-	340	580	243	5	5	3650	7000	750	950	262
NNU4168K	-	340	580	243	5	5	3650	7000	750	950	260
NNU4972	4482972	360	480	118	3	3	1050	2550	1400	1700	59
NNU4972K	4382972	360	480	118	3	3	1050	2550	1400	1700	58.5
NN3072	3282172	360	540	134	5	5	1600	3200	1200	1500	106
NN3072K	3182172	360	540	134	5	5	1600	3200	1200	1500	105
NNU4072	-	360	540	180	5	5	2550	5150	900	1100	141
NNU4072K	-	360	540	180	5	5	2550	5150	900	1100	140
NNU4172	-	360	600	243	5	5	3900	7650	700	900	277
NNU4172K	-	360	600	243	5	5	3900	7650	700	900	275
NNU4876	-	380	480	100	1.5	2.1	900	2300	950	1200	45
NNU4876K	-	380	480	100	1.5	2.1	900	2300	950	1200	44
NNU4976	4482976	380	520	140	4	4	1350	3250	900	1100	89
NNU4976K	4382976	380	520	140	4	4	1350	3250	900	1100	87.5
NN3076	3282176	380	560	135	5	5	1550	3150	900	1100	112
NN3076K	3182176	380	560	135	5	5	1550	3150	900	1100	110
NNU4076	-	380	560	180	5	5	2600	5400	800	1000	153
NNU4076K	-	380	560	180	5	5	2600	5400	800	1000	150
NNU4176	-	380	620	243	5	5	3900	7650	670	850	288
NNU4176K	-	380	620	243	5	5	3900	7650	670	850	285
NNU4168	-	340	580	243	5	5	3650	7000	750	950	262
NNU4168K	-	340	580	243	5	5	3650	7000	750	950	260
NNU4972	4482972	360	480	118	3	3	1050	2550	1400	1700	59
NNU4972K	4382972	360	480	118	3	3	1050	2550	1400	1700	58.5
NN3072	3282172	360	540	134	5	5	1600	3200	1200	1500	106
NN3072K	3182172	360	540	134	5	5	1600	3200	1200	1500	105
NNU4072	-	360	540	180	5	5	2550	5150	900	1100	141
NNU4072K	-	360	540	180	5	5	2550	5150	900	1100	140
NNU4172	-	360	600	243	5	5	3900	7650	700	900	277
NNU4172K	-	360	600	243	5	5	3900	7650	700	900	275
NNU4876	-	380	480	100	1.5	2.1	900	2300	950	1200	45
NNU4876K	-	380	480	100	1.5	2.1	900	2300	950	1200	44
NNU4976	4482976	380	520	140	4	4	1350	3250	900	1100	89
NNU4976K	4382976	380	520	140	4	4	1350	3250	900	1100	87.5
NN3076	3282176	380	560	135	5	5	1550	3150	900	1100	112
NN3076K	3182176	380	560	135	5	5	1550	3150	900	1100	110
NNU4076	-	380	560	180	5	5	2600	5400	800	1000	153
NNU4076K	-	380	560	180	5	5	2600	5400	800	1000	150
NNU4176	-	380	620	243	5	5	3900	7650	670	850	288
NNU4176K	-	380	620	243	5	5	3900	7650	670	850	285
NNU4184K	-	420	700	280	6	6	5000	10300	600	750	440
NNU4888	-	440	540	100	1.5	1.5	910	2450	1000	1300	51
NNU4888K	-	440	540	100	1.5	1.5	910	2450	1000	1300	50
NNU4988	4482988	440	600	160	4	4	1850	4700	1000	1300	132
NNU4988K	4382988	440	600	160	4	4	1850	4700	1000	1300	130
NN3088	3282188	440	650	157	6	6	2200	4600	950	1200	173
NN3088K	3182188	440	650	157	6	6	2200	4600	950	1200	170
NNU4088	-	440	650	212	6	6	3600	7500	670	850	218
NNU4088K	-	440	650	212	6	6	3600	8500	670	850	215
NNU4188	-	440	720	280	6	6	5150	11000	560	700	455
NNU4188K	-	440	720	280	6	6	5150	11000	560	700	450
NNU4892	-	460	580	118	3	3	1100	2950	950	1200	75.5
NNU4892K	-	460	580	118	3	3	1100	2950	950	1200	75
NNU4992	4482992	460	620	160	4	4	2050	5000	800	1000	136
NNU4992K	4382992	460	620	160	4	4	2050	5000	800	1000	135
NN3092	3282192	460	680	163	6	6	2470	5070	800	1000	197
NN3092K	3182192	460	680	163	6	6	2470	5070	800	1000	195
NNU4092	-	460	680	218	6	6	3900	8100	630	800	242
NNU4092K	-	460	680	218	6	6	3900	8100	630	800	240
NNU4192	-	460	760	300	7.5	7.5	5800	12000	530	670	538
NNU4192K	-	460	760	300	7.5	7.5	5800	12000	530	670	535
NNU4996	4482996	480	650	170	5	5	2100	5500	800	1000	162
NNU4996K	4382996	480	650	170	5	5	2100	5500	800	1000	160
NN3096	3282196	480	700	165	6	6	2450	5300	700	900	203
NN3096K	3182196	480	700	165	6	6	2450	5300	700	900	200
NNU4096	-	480	700	218	6	6	4000	8700	600	750	277
NNU4096K	-	480	700	218	6	6	4000	8700	600	750	275
NNU4196	-	480	790	308	7.5	7.5	6350	13000	500	630	594
NNU4196K	-	480	790	308	7.5	7.5	6350	13000	500	630	590
NNU49/500	44829/500	500	670	170	5	5	2200	5500	750	950	166
NNU49/500K	43829/500	500	670	170	5	5	2200	5500	750	950	165
NN30/500	32821/500	500	720	167	6	6	2500	5300	700	900	212
NN30/500K	-	500	720	167	6	6	2500	5300	700	900	210
NNU40/500	-	500	720	218	6	6	4050	9000	600	750	288
NNU40/500K	-	500	720	218	6	6	4050	9000	600	750	285
NNU41/500	-	500	830	325	7.5	7.5	6750	13500	480	600	715
NNU41/500K	-	500	830	325	7.5	7.5	6750	13500	480	600	710
NNU49/530	44829/530	530	710	180	5	5	2600	7050	800	1000	202
NNU49/530K	43829/530	530	710	180	5	5	2600	7050	800	1000	200
NN30/530	32821/530	530	780	185	6	6	3000	6500	800	1000	272
NN30/530K	31821/530	530	780	185	6	6	3000	6500	800	1000	270
NNU40/530	-	530	780	250	6	6	5000	11000	530	670	423
NNU40/530K	-	530	780	250	6	6	5000	11000	530	670	420
NNU41/530	-	530	870	335	7.5	7.5	7050	14500	450	560	795
NNU41/530K	-	530	870	335	7.5	7.5	7050	14500	450	560	790
NN39/560	-	560	750	140	5	5	2350	4850	800	1000	188
NNU49/560	44829/560	560	750	190	5	5	2900	7800	750	950	237
NNU49/560K	43829/560	560	750	190	5	5	2900	7800	750	950	235
NN6/560	-	560	780	180	6	6	2400	6400	750	950	266
NN30/560	32821/560	560	820	195	6	6	3350	8150	700	900	318
NN30/560K	31821/560	560	820	195	6	6	3350	8150	700	900	315
NNU40/560	-	560	820	258	6	6	5150	12000	500	630	478
NNU40/560K	-	560	820	258	6	6	5150	12000	500	630	475
NNU41/560	-	560	920	355	7.5	7.5	8000	16500	430	530	935
NNU41/560K	-	560	920	355	7.5	7.5	8000	16500	430	530	930
NN49/600	42829/600	600	800	200	5	5	3450	7150	700	900	278
NNU49/600	44829/600	600	800	200	5	5	3450	7150	700	900	283
NNU49/600K	43829/600	600	800	200	5	5	3450	7150	700	900	280
NN30/600	32821/600	600	870	200	6	6	3600	7800	670	850	385
NN30/600K	31821/600	600	870	200	6	6	3600	7800	670	850	355
NNU40/600	-	600	870	272	6	6	6150	14100	480	600	535
NNU40/600K	-	600	870	272	6	6	6150	14100	480	600	530
NNU41/600	-	600	980	375	7.5	7.5	9000	19000	380	480	1110
NNU41/600K	-	600	980	375	7.5	7.5	9000	19000	380	480	1100
NNU49/630	44829/630	630	850	218	6	6	3650	8300	670	850	358
NNU49/630K	43829/630	630	850	218	6	6	3650	8300	670	850	355
NN30/630	32821/630	630	920	212	7.5	7.5	3900	8900	630	800	434
NN30/630K	31821/630	630	920	212	7.5	7.5	3900	8900	630	800	430
NNU40/630	-	630	920	290	7.5	7.5	6900	15800	450	560	640
NNU40/630K	-	630	920	290	7.5	7.5	6900	15800	450	560	635
NNU41/630	-	630	1030	400	7.5	7.5	9900	21600	360	450	1340
NNU41/630K	-	630	1030	400	7.5	7.5	9900	21600	360	450	1330
NNU49/670	44829/670	670	900	230	6	6	4500	9000	630	800	413
NNU49/670K	43829/670	670	900	230	6	6	4500	9000	630	800	410
NN30/670	32821/670	670	980	280	7.5	7.5	4600	9350	600	750	535
NN30/670K	31821/670	670	980	280	7.5	7.5	4600	9350	600	750	530
NNU40/670	-	670	980	308	7.5	7.5	7600	17700	400	500	770
NNU40/670K	-	670	980	308	7.5	7.5	7600	17700	400	500	765
NNU41/670	-	670	1090	412	7.5	7.5	10900	23000	340	430	1510
NNU41/670K	-	670	1090	412	7.5	7.5	10900	23000	340	430	1500
NNU49/710	44829/710	710	950	243	6	6	4900	11500	560	700	485
NNU49/710K	43829/710	710	950	243	6	6	4900	11500	560	700	480
NN30/710	32821/710	710	1030	236	7.5	7.5	5150	12000	530	670	595
NN30/710K	31821/710	710	1030	236	7.5	7.5	5150	12000	530	670	590
NNU10/710	-	710	1030	315	7.5	7.5	8450	19500	380	480	858
NNU40/710K	-	710	1030	315	7.5	7.5	8450	19500	380	480	850
NNU41/710	-	710	1150	438	7.5	7.5	12100	26000	300	380	1800
NNU41/710K	-	710	1150	438	7.5	7.5	12100	26000	300	380	17900
NN48/750	-	750	920	170	5	5	3100	9200	450	550	243
NN48/750K	-	750	920	170	5	5	3100	9200	450	550	240
NNU49/750	44829/750	750	1000	250	6	6	5000	14400	400	500	545
NNU49/750K	43829/750	750	1000	250	6	6	5000	14400	400	500	540
NN30/750	32821/750	750	1090	250	7.5	7.5	6500	14500	500	630	712
NN30/750K	31821/750	750	1090	250	7.5	7.5	6500	14500	500	630	705
NNU40/750	-	750	1090	335	7.5	7.5	9200	21600	340	430	933
NNU40/750K	-	750	1090	335	7.5	7.5	9200	21600	340	430	925
NNU41/750	-	750	1220	475	9.5	9.5	14500	32000	280	360	2245
NNU41/750K	-	750	1200	475	9.5	9.5	14500	32000	280	360	2230
NNU49/800	44829/800	800	1060	258	6	6	5250	15300	-	-	620
NNU49/800K	43829/800	800	1060	258	6	6	5250	15300	-	-	615
NN30/800	32821/800	800	1150	258	7.5	7.5	7100	16200	-	-	798
NN30/800K	31821/800	800	1150	258	7.5	7.5	7100	16200	-	-	790
NNU40/800	-	800	1150	345	7.5	7.5	9750	23400	-	-	1150
NNU48/800K	-	800	1150	345	7.5	7.5	9750	23400	-	-	1140
NNU41/800	-	800	1280	475	9.5	9.5	14900	32900	-	-	2410
NNU41/800K	-	800	1280	475	9.5	9.5	14900	32900	-	-	2390
NNU49/850	44829/850	850	1120	272	6	6	5350	16200	-	-	365
NNU49/850K	43829/850	850	1120	272	6	6	5350	16200	-	-	360
NN30/850	32821/850	850	1220	272	7.5	7.5	7150	17000	-	-	985
NN30/850K	31821/850	850	1220	272	7.5	7.5	7150	17000	-	-	980
NNU40/850	-	850	1220	365	7.5	7.5	10600	26000	-	-	1310
NNU40/850K	-	850	1220	365	7.5	7.5	10600	26000	-	-	1300
NNU49/900	44829/900	900	1180	280	6	6	6000	18000	-	-	815
NNU49/900K	43829/900	900	1180	280	6	6	6000	18000	-	-	805
NN30/900	32821/900	900	1280	280	7.5	7.5	7500	18000	-	-	1065
NN30/900K	31821/900	900	1280	280	7.5	7.5	7500	18000	-	-	1050
NNU40/900	-	900	1280	375	7.5	7.5	11600	28500	-	-	1520
NNU40/900K	-	900	1280	375	7.5	7.5	11600	28500	-	-	1500
NNU49/950	44829/950	950	1250	300	7.5	7.5	6700	20200	-	-	970
NNU49/950K	43829/950	950	1250	300	7.5	7.5	6700	20200	-	-	960
NN30-950	32821/950	950	1360	30	7.5	7.5	8250	20200	-	-	1320
NN30/950K	31821/950	950	1360	300	7.5	7.5	8250	20200	-	-	1300
NNU40/950	-	950	1360	412	7.5	7.5	12800	32000	-	-	1930
NNU40/950K	-	950	1360	412	7.5	7.5	12800	32000	-		1900
NNU19/1000	44829/1000	1000	1320	315	7.5	7.5	7750	23400	-	-	1260
NNU49/1000K	43829/1000	1000	1320	315	7.5	7.5	7750	23400	-	-	1250
NN49/1000	42829/1000	1000	1320	315	7.5	7.5	7750	23400	-	-	1220
NN49/1000K	41829/1000	1000	1320	315	7.5	7.5	7750	23400	-	-	1200
NN30/1000	32821/1000	1000	1420	308	7.5	7.5	10000	22100	-	-	1430
NN30/1000K	31821/1000	1000	1420	308	7.5	7.5	10000	22100	-	-	1400
NNU40/1000	-	1000	1420	412	7.5	7.5	13900	34200	-	-	2035
NNU40/1000K	-	1000	1420	412	7.5	7.5	13900	34200	-	-	2000
NNU49/1060	44829/1060	1060	1400	335	7.5	7.5	9500	27500	-	-	1365
NNU49/1060K	43829/1060	1060	1400	335	7.5	7.5	9500	27500	-	-	1350
NN30/1060	32821/1060	1060	1500	325	9.5	9.5	9900	24800	-	-	1670
NN30/1060K	21821/1060	1060	1500	325	9.5	9.5	9900	24800	-	-	1650
NNU49/1120	44829/1120	1120	1460	335	7.5	7.5	10000	28500	-	-	1475
NNU49/1120K	43829/1120	1120	1460	335	7.5	7.5	10000	28500	-	-	1450
NNU49/1180	44829/1180	1180	1540	355	7.5	7.5	10800	32400	-	-	1680
NNU49/1180K	43829/1180	1180	1540	355	7.5	7.5	10800	32400	-	-	1650
NNU49/1320	44829/1320	1320	1720	400	7.5	7.5	12500	38300	-	-	3130
NNU49/1320K	43829/1320	1320	1720	400	7.5	7.5	12500	38300	-	-	3100
NN49/1320	42829/1320	1320	1720	400	7.5	7.5	12500	38300	-	-	3085
NN49/1320K	41829/1320	1320	1720	400	7.5	7.5	12500	38300	-	-	3060

وصف المنتجات

Double row cylindrical roller bearings, caged, mainly of the NN, NNU, and NNF designs

Cylindrical roller bearings have rollers that provide a modified line contact with the cylindrical inner and outer ring raceways, while the rollers are guided by ground ribs on either the inner or outer ring. The cylindrical shape allows the inner ring to have axial movement relative to the outer ring. This is especially important when accommodating thermal expansion, where both rings must be press-fitted.

We offer premium cylindrical roller bearings under the LYNB brand names. Most LYNB cylindrical roller bearings feature case-carburized components. Rings and rollers are made from case-hardened alloy steel of “Bearing Quality” to provide superior fatigue life and reliability. Precise control of heat treatment, dimensions, and surface finish of the components further contribute to reliable bearing performance. So whether you’re looking for China-made, case-carburized inch series cylindrical, or a metric series through-hardened variety, LYNB has you covered with a proper fit to your application. Premium steels and heat treatments are also available for applications requiring extended life and high reliability.

The LYNB range of double row cylindrical roller bearings comprises the basic types.

Double row cylindrical roller bearings have a low cross section, high load carrying capacity and high stiffness. Therefore they are mainly used in machine tools, rolling mill stands, plastic calenders, grinding mills and also large gearboxes.

LYNB produces double row cylindrical roller bearings mainly in the NN design and the NNU design. The bearings are separable, i.e. the ring with integral flanges together with the roller and cage assemblies can be mounted separately from the other bearing ring or all bearing components can be mounted separately. This facilitates the mounting, inspection and maintenance of these bearings. Double row cylindrical roller bearings are produced with both cylindrical bore and tapered bore; bearings of the NN design are generally supplied with tapered bore. When mounting bearings with tapered bore it is possible to achieve a certain radial internal clearance or a given preload.

Bearings of the NNF design are one kind of double-row cylindrical roller bearings full of rollers which is consist of outer ring with a center flange two inner rings with double flanges. Rollers are guided by flanges on inner ring and two inner rings are fixed up by fastening ring. This structure can carry not only a lot of heavy radial load and axial load but also tilting moment. Therefore they are suitable to be used as non-locating bearings. Bearings of type NNF have contact seals at two sides. And it is filled in grease lubricant. The working temperature would be -50℃~+110℃.However after considering of seal material available working temperature shall be -40℃~+80℃. Under appropriate conditions sealed NNF bearing need little maintenance and could be kept long time in water vapor or polluted environment. When mid or high speeding bearing can got make-up lubricating through lubrication groove and bore.

▲ The design’s of all these double row cylindrical roller bearings are based on standard structures; LYNB can design and manufacture many other similar structures in accordance to the special and particular requirements of their customers’. If our customer’s have specific requests then the customer should identify the structure, and mounting dimensions that are required. Please contact the LYNB Technical Center if you need any assistance in this area.

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المادة السابقة:Single Row Cylindrical Roller Bearings （without outer ring or inner ring）

المادة المقبلة:Four Row Cylindrical Roller Bearings

ملاحة

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