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)
200	280	80	2.1	—	259	570	1220	—	—	NN 4940	NN 4940 K	211	—	214	—	269	263	2	15.3
200	280	60	2.1	—	259	420	815	—	—	NN 3940	NN 3940 K	216	—	221	—	—	263	2	10.6
190	320	104	3	—	287	840	1420	—	—	NN 3138	—	208	—	—	—	—	300	2.5	33.8
190	290	100	2.1	—	265	825	1640	—	—	NN 4038	—	206	—	—	—	—	273	2	24
190	290	75	2.1	219	—	595	1080	—	—	NNU 3038	—	201	206	203	273	279	—	2	17.9
190	290	75	2.1	—	265	595	1080	2000	2400	NN 3038	NN 3038 K	201	—	203	—	279	268	2	17.8
190	260	69	2	211.5	—	485	1060	2000	2600	NNU 4938	NNU 4938 K	199	211	203	217	251	—	2	10.9
190	260	69	2	—	243	485	1060	—	—	NN 4938	NN 4938 K	199	—	203	—	251	245	2	10.9
190	260	52	2	—	243	345	680	—	—	NN 3938	NN 3938 K	203	—	208	—	—	245	2	7.46
180	280	74	2.1	209	—	565	995	—	—	NNU 3036	—	191	195	193	214	269	—	2	16.9
180	280	74	2.1	—	255	565	995	2000	2400	NN 3036	NN 3036 K	191	—	193	—	269	258	2	16.8
180	250	69	2	200	—	480	1020	2200	2600	NNU 4936	NNU 4936 K	189	199	193	205	241	—	2	10.4
180	250	69	2	—	232	480	1020	—	—	NN 4936	NN 4936 K	189	—	193	—	241	236	2	10.4
180	250	52	2	—	232	340	655	—	—	NN 3936	NN 3936 K	193	—	198	—	—	236	2	7.2
180	225	45	1	—	213	225	535	—	—	NN 4836	—	189	—	—	—	—	215	1	4.15
170	280	88	2.1	201	—	635	1050	—	—	NNU 3134	—	185	—	—	206	—	—	2	21.4
170	280	88	2.1	—	253	635	1050	—	—	NN 3134	—	185	—	—	—	—	263	2	21.1
170	260	67	2.1	196	—	450	805	—	—	NNU 3034	NNU 3034 K	181	185	183	201	249	—	2	12.9
170	260	67	2.1	—	236	450	805	2200	2600	NN 3034	NN 3034 K	181	—	183	—	249	239	2	12.8
170	230	60	2	187	—	375	805	2400	2800	NNU 4934	NNU 4934 K	179	186	182	192	221	—	2	7.12

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