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)
420	620	150	5	478	—	2130	4450	—	—	NNU 3084	NNU 3084 K	449	—	462	485	—	—	4	155
420	620	150	5	—	568	2130	4450	—	—	NN 3084	NN 3084 K	449	—	462	—	—	588	4	154
420	560	140	4	461	—	2000	5150	—	—	NNU 4984	—	445	—	—	486	—	—	3	97.2
420	560	140	4	—	525	2000	5150	—	—	NN 4984	NN 4984 K	445	—	457	—	—	533	3	87.9
420	560	106	4	—	522	1280	2900	—	—	NN 3984	—	445	—	—	—	—	533	3	71.2
400	650	200	6	474	—	2770	5400	—	—	NNU 3180	—	435	—	—	481	—	—	5	262
400	600	200	5	456	—	2840	6050	—	—	NNU 4080	—	429	—	—	463	—	—	4	201
400	600	148	5	—	548	2090	4300	—	—	NN 3080	NN 3080 K	429	—	441	—	—	568	4	147
400	540	140	4	446	—	1790	4600	—	—	NNU 4980	NN 4980 K	425	—	437	453	—	—	3	93.6
400	540	140	4	—	505	1940	4900	—	—	NN 4980	NN 4980 K	425	—	437	—	—	513	3	84.1
400	540	106	4	—	504	1290	2890	—	—	NN 3980	—	425	—	—	—	—	513	3	68.7
400	500	100	2.1	430	—	905	2540	—	—	NNU 4880	—	420	—	—	437	—	—	2	45.7
380	620	194	5	449	—	2620	4950	—	—	NNU 3176	—	408	—	—	456	—	—	4	228
380	620	194	5	—	559	2620	4950	—	—	NN 3176	NN 3176 K	408	—	425	—	—	588	4	224
380	560	180	5	433	—	2650	6200	—	—	NNU 4076	—	408	—	—	440	—	—	4	153
380	560	180	5	—	513	2650	6200	—	—	NN 4076	NN 4076 K	408	—	424	—	—	529	4	142
380	560	135	5	—	513	1770	3700	—	—	NN 3076	NN 3076 K	408	—	420	—	—	529	4	113
380	520	140	4	421	—	1880	4600	—	—	NNU 4976	—	404	—	—	428	—	—	3	88.8
380	520	140	4	—	485	1880	4600	—	—	NN 4976	NN 4976 K	404	—	416	—	—	493	3	81.3
360	540	180	5	—	496	2530	5450	—	—	NN 4072	NN 4072 K	388	—	403	—	—	509	4	132

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