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)
220	300	80	2.1	—	279	600	1330	—	—	NN 4944	NN 4944 K	231	—	234	—	289	283	2	-
220	300	60	2.1	—	279	440	895	—	—	NN 3944	NN 3944 K	236	—	241	—	—	283	2	-
200	310	109	2.1	—	282	890	1730	—	—	NN 4040	NN 4040 K	216	—	225	—	—	293	2	-
200	310	82	2.1	232	—	655	1170	—	—	NNU 3040	NNU 3040 K	211	216	214	237	299	—	2	-
200	310	82	2.1	—	282	655	1170	1800	2200	NN 3040	NN 3040 K	211	—	214	—	299	285	2	-
200	280	80	2.1	223	—	570	1220	1900	2400	NNU 4940	NNU 4940 K	211	222	214	228	269	—	2	-
200	280	80	2.1	—	259	570	1220	—	—	NN 4940	NN 4940 K	211	—	214	—	269	263	2	-
200	280	60	2.1	—	259	420	815	—	—	NN 3940	NN 3940 K	216	—	221	—	—	263	2	-
190	290	75	2.1	—	265	595	1080	2000	2400	NN 3038	NN 3038 K	201	—	203	—	279	268	2	-
190	260	69	2	211.5	—	485	1060	2000	2600	NNU 4938	NNU 4938 K	199	211	203	217	251	—	2	-
190	260	69	2	—	243	485	1060	—	—	NN 4938	NN 4938 K	199	—	203	—	251	245	2	-
190	260	52	2	—	243	345	680	—	—	NN 3938	NN 3938 K	203	—	208	—	—	245	2	-
180	280	74	2.1	—	255	565	995	2000	2400	NN 3036	NN 3036 K	191	—	193	—	269	258	2	-
180	250	69	2	200	—	480	1020	2200	2600	NNU 4936	NNU 4936 K	189	199	193	205	241	—	2	-
180	250	69	2	—	232	480	1020	—	—	NN 4936	NN 4936 K	189	—	193	—	241	236	2	-
180	250	52	2	—	232	340	655	—	—	NN 3936	NN 3936 K	193	—	198	—	—	236	2	-
170	260	67	2.1	196	—	450	805	—	—	NNU 3034	NNU 3034 K	181	185	183	201	249	—	2	-
170	260	67	2.1	—	236	450	805	2200	2600	NN 3034	NN 3034 K	181	—	183	—	249	239	2	-
170	230	60	2	187	—	375	805	2400	2800	NNU 4934	NNU 4934 K	179	186	182	192	221	—	2	-
170	230	60	2	—	215	375	805	—	—	NN 4934	NN 4934 K	179	—	182	—	221	216	2	-

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