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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)
380	620	194	5	—	559	2620	4950	—	—	NN 3176	NN 3176 K	408	—	425	—	—	588	4	-
380	560	180	5	—	513	2650	6200	—	—	NN 4076	NN 4076 K	408	—	424	—	—	529	4	-
380	560	135	5	—	513	1770	3700	—	—	NN 3076	NN 3076 K	408	—	420	—	—	529	4	-
380	520	140	4	—	485	1880	4600	—	—	NN 4976	NN 4976 K	404	—	416	—	—	493	3	-
360	540	180	5	—	496	2530	5450	—	—	NN 4072	NN 4072 K	388	—	403	—	—	509	4	-
360	540	134	5	—	493	1700	3450	950	1200	NN 3072	NN 3072 K	380	—	385	—	520	497	4	-
340	520	133	5	—	473	1670	3300	1000	1200	NN 3068	NN 3068 K	360	—	365	—	500	477	4	-
340	460	118	3	—	428	1350	3400	—	—	NN 4968	NN 4968 K	361	—	371	—	—	438	2.5	-
340	460	90	3	—	428	905	2020	—	—	NN 3968	NN 3968 K	361	—	368	—	—	438	2.5	-
320	540	176	5	384	—	2090	3750	—	—	NNU 3164	NNU 3164 K	347	—	362	391	—	—	4	-
320	480	121	4	366	—	1350	2670	—	—	NNU 3064	NNU 3064 K	336	343	340	373	464	—	3	-
320	480	121	4	—	438	1350	2670	1100	1300	NN 3064	NN 3064 K	336	—	340	—	464	442	3	-
320	440	118	3	356	—	1260	3050	1100	1400	NNU 4964	NNU 4964 K	333	355	338	363	427	—	2.5	-
320	440	118	3	—	408	1260	3050	—	—	NN 4964	NN 4964 K	333	—	338	—	427	418	2.5	-
300	500	160	5	—	448	1760	3150	—	—	NN 3160	NN 3160 K	327	—	340	—	—	470	4	-
300	460	160	4	—	418	1920	4100	—	—	NN 4060	NN 4060 K	323	—	336	—	—	435	3	-
300	460	118	4	—	418	1290	2460	1200	1400	NN 3060	NN 3060 K	316	—	319	—	444	422	3	-
300	420	118	3	336	—	1230	2870	1200	1500	NNU 4960	NNU 4960 K	313	335	318	343	407	—	2.5	-
300	420	118	3	—	388	1230	2870	—	—	NN 4960	NN 4960 K	313	—	318	—	407	398	2.5	-
280	460	146	5	—	413	1520	2790	—	—	NN 3156	NN 3156 K	306	—	319	—	—	431	4	-

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