Double Row Cylindrical Roller Bearings

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Description And Technical diameters

select	Inquiry	Bearing NO.		Boundary dimensions(mm)					Basic load ratings(kN)		Limiting speed(rpm)	Abutment and fillet dimensions(mm)				Weight (kg)
select	Inquiry	Cylindrical bore	Tapered bore	d	D	B/C	r 1.2min	r3.4min	Cr	Cor	Speed Ratings	da max	Da max	ra max	rb max	Refer
		NNU4064X2	-	320	480	175	1.5	1.5	2460	5400	1200	359	472	1.5	1.5	115
		NNU4064	NNU4064K	320	480	160	4	4	2120	4300	1200	353	464	3	3	100
		NNU3064	NNU3064K	320	480	121	4	4	1320	2600	1800	343	454	3	3	76.9
		NN3064	NN3064K	320	480	121	4	4	1320	2600	1800	-	464	3	3	74
		NN4964	NN4964K	320	440	118	3	3	1060	2500	1400	340	418	2.5	2.5	50.2
		NNUP4964	-	320	440	118	3	3	1060	2500	1400	-	426	2.5	2.5	55.5
		NNU4964	NNU4964K	320	440	118	3	3	1060	2500	1400	355	426	2.5	2.5	53
		NNU4864	NNU4864K	320	400	80	2.1	2.1	765	2080	1500	340	389	2	2	23.5
		NNU4168	NNU4168K30	340	580	243	5	5	4020	7500	950	392	560	4	4	260
		NNUB4068X2-305	-	340	520	305/20	5	5	3300	7100	1100	374	500	4	4	185
		NNU4068	NNU4068K	340	520	180	5	5	2550	5100	1100	377	500	4	4	140
		NNU3068	-	340	520	133	5	5	1670	3300	1600	368	490	4	4	103
		NN3068	NN3068K	340	520	133	5	5	1670	3300	1600	368	490	4	4	102
		NN4968	NN4968K	340	460	118	3	3	1100	2650	1700	361	438	2.5	2.5	52.1
		NNU4968	NNU4968K	340	460	118	3	3	1100	2650	1700	375	446	2.5	2.5	56
		NN3968	NN3968K	340	460	90	3	3	905	2020	1700	361	438	2.5	2.5	42.9
		NNUP4868	-	340	420	80	2.1	2.1	644	1830	1400	-	408	2	2	24.5
		NNU4868	NNU4868K	340	420	80	2.1	2.1	644	1830	1400	360	409	2	2	25
		NNU4172	NNU4172K30	360	600	243	5	5	4290	8500	900	414	580	4	4	275
		NN4072	NN4072K	360	540	180	5	5	2530	5450	1100	388	509	4	4	132
		NNU4072	NNU4072K	360	540	180	5	5	2530	5450	1100	397	520	4	4	140
		NNU3072	-	360	540	134	5	5	1700	3450	1500	388	509	4	4	108
		NN3072	NN3072K	360	540	134	5	5	1720	3450	1500	-	520	4	4	105
		NNU4972	NNU4972K	360	480	118	3	3	1120	2800	1700	395	466	2.5	2.5	58.5
		NN3972	-	360	480	90	3	3	930	2130	1700	381	457	2.5	2.5	44.9
		NNU4176	NNU4176K30	380	620	243	5	5	4290	8500	850	434	600	4	4	285
		NN3176	NN3176K	380	620	194	5	5	2620	4950	850	408	588	4	4	224
		NN4076	NN4076K	380	560	180	5	5	2650	6200	1000	408	529	4	4	142
		NNU4076	NNU4076K	380	560	180	5	5	2650	6200	1000	417	540	4	4	150
		NN3076	NN3076K	380	560	135	5	5	1680	3450	1500	-	540	4	4	110
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