Double-row cylindrical roller bearing (standard series) bore 25-850 mm

Double-row cylindrical roller bearing (standard series) bore 25-850 mm

Double-row cylindrical roller bearings

Double-row cylindrical roller bearing (standard series) bore 25-850 mm

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Overall dimensions（mm)						Rated load(KN)		Rated speed min^-1		Bearing code		Installation dimensions(mm)							Weight(kg)
d	D	B	γ(minimum)	F_W	E_W	C_r	C_or	Grease lubrication	Oil lubrication	Cylindrical hole	Conical hole	D_a (minimum）	d_a (maximum）	d_1a (minimum)	d_c (minimum)	d_a (maximum）	D_a (minimum）	γ_a (maximum)	(Reference)
360	540	134	5	413	—	1700	3450	—	—	NNU 3072	—	380	388	385	420	520	—	4	108
360	540	134	5	—	493	1700	3450	950	1200	NN 3072	NN 3072 K	380	—	385	—	520	497	4	106
360	480	118	3	396	—	1390	3550	—	—	NNU 4972	—	381	—	—	403	—	—	2.5	60.6
360	480	90	3	—	448	930	2130	—	—	NN 3972	—	381	—	—	—	—	457	2.5	44.9
340	520	180	5	393	—	2420	5350	—	—	NNU 4068	—	368	—	—	400	—	—	4	141
340	520	133	5	393	—	1670	3300	—	—	NNU 3068	—	360	368	365	400	500	—	4	103
340	520	133	5	—	473	1670	3300	1000	1200	NN 3068	NN 3068 K	360	—	365	—	500	477	4	102
340	460	118	3	376	—	1350	3400	—	—	NNU 4968	—	361	—	—	383	—	438	2.5	57.8
340	460	118	3	—	428	1350	3400	—	—	NN 4968	NN 4968 K	361	—	371	—	—	438	2.5	52.1
340	460	90	3	—	428	905	2020	—	—	NN 3968	NN 3968 K	361	—	368	—	—	438	2.5	42.9
320	540	176	5	384	—	2090	3750	—	—	NNU 3164	NNU 3164 K	347	—	362	391	—	—	4	154
320	480	160	4	367	—	1960	4300	—	—	NNU 4064	—	343	—	—	374	—	—	3	103
320	480	121	4	366	—	1350	2670	—	—	NNU 3064	NNU 3064 K	336	343	340	373	464	—	3	76.9
320	480	121	4	—	438	1350	2670	1100	1300	NN 3064	NN 3064 K	336	—	340	—	464	442	3	76.6
320	440	118	3	356	—	1260	3050	1100	1400	NNU 4964	NNU 4964 K	333	355	338	363	427	—	2.5	54.9
320	440	118	3	—	408	1260	3050	—	—	NN 4964	NN 4964 K	333	—	338	—	427	418	2.5	50.2
320	400	80	2.1	344	—	700	1840	—	—	NNU 4864	—	338	—	—	351	—	—	2	22.8
300	500	160	5	358	—	1760	3150	—	—	NNU 3160	—	327	—	—	365	—	—	4	126
300	500	160	5	—	448	1760	3150	—	—	NN 3160	NN 3160 K	327	—	340	—	—	470	4	125
300	460	160	4	—	418	1920	4100	—	—	NN 4060	NN 4060 K	323	—	336	—	—	435	3	97.6

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