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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Dimensions（mm)						Rated load(KN)		Rated speed (min)^-1		Bearing Designation		Install Dimensions(mm)							Weight(kg)
d	D	B	γ(Minimum)	F_W	E_W	C_r	C_or	Grease lubrication	Oil lubrication	Cylindrical hole	Tapered hole	D_a (Minimum）	d_a (Maximum）	d_1a (Minimum)	d_c (Minimum)	d_a (Maximum）	D_a (Minimum）	γ_a (Maximum)	(reference)
800	1060	258	6	879	—	5700	16500	—	—	NNU 49/800	NNU 49/800 K	843	—	865	886	—	—	5	-
630	850	218	6	704	—	4000	10800	—	—	NNU 49/630	NNU 49/630 K	670	—	688	711	—	—	5	-
630	850	218	6	—	793	4200	11400	—	—	NN 49/630	NN 49/630 K	670	—	688	—	—	807	5	-
530	780	185	6	—	715	3200	6900	—	—	NN 30/530	NN 30/530 K	568	—	583	—	—	738	5	-
530	710	180	6	575	—	2900	7050	—	—	NNU 49/530	NNU 49/530 K	561	—	574	582	—	—	4	-
500	720	167	6	—	663	2580	5600	—	—	NN 30/500	NN 30/500 K	537	—	551	—	—	680	5	-
480	790	248	7.5	—	708	4050	8100	—	—	NN 3196	NN 3196 K	523	—	544	—	—	742	6	-
480	650	170	5	—	607	2690	7000	—	—	NN 4996	NN 4996 K	510	—	525	—	—	617	4	-
460	680	163	6	—	623	2550	5350	—	—	NN 3092	NN 3092 K	496	—	510	—	—	640	5	-
460	620	160	4	507	—	2400	6200	—	—	NNU 4992	4992 K	486	—	500	514	—	—	3	-
460	620	118	4	—	578	1610	3700	—	—	NN 3992	NN 3992 K	486	—	496	—	—	591	3	-
440	720	226	6	—	649	3500	6800	—	—	NN 3188	NN 3188 K	476	—	495	—	—	680	5	-
440	650	157	6	—	596	2360	4900	—	—	NN 3088	NN 3088 K	476	—	489	—	—	611	5	-
420	620	200	5	—	571	3150	7100	—	—	NN 4084	NN 4084 K	449	—	466	—	—	588	4	-
420	620	150	5	478	—	2130	4450	—	—	NNU 3084	NNU 3084 K	449	—	462	485	—	—	4	-
420	620	150	5	—	568	2130	4450	—	—	NN 3084	NN 3084 K	449	—	462	—	—	588	4	-
420	560	140	4	—	525	2000	5150	—	—	NN 4984	NN 4984 K	445	—	457	—	—	533	3	-
400	600	148	5	—	548	2090	4300	—	—	NN 3080	NN 3080 K	429	—	441	—	—	568	4	-
400	540	140	4	446	—	1790	4600	—	—	NNU 4980	NN 4980 K	425	—	437	453	—	—	3	-
400	540	140	4	—	505	1940	4900	—	—	NN 4980	NN 4980 K	425	—	437	—	—	513	3	-

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