ZWA Double-row Cylindrical Roller Bearing

BORE 150-190mm

Double-row cylindrical roller bearing has cylindrical and tapered hole (code K) two structures. There are two main types in ZWA :NNU design and NN design. N Double inner rib and no outer rib. NNU type design inner ring without baffle and outer ring with double baffle. The tapered hole structure can adjust the radial clearance during installation.

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Basic Type

The products include

Double-row Cylindrical Roller Bearing
d 150-190mm
Basic Size						Basic load rating		Designation(Design)		Abutment and chamfer dimensions					Mass
d	D	B	rsmin	FW	EW	dynamic	static	Cylindrical bore	Tapered bore	da(2)	d1a	dc min	Da	ra max
d	D	B	rsmin	FW	EW	C	Co			da(2)	d1a	dc min	Da	ra max
mm						kN				mm					kg
150	210	45	2	-	195	262	490	NN3930	NN3930K	163	166	-	196	2	4.47
150	210	60	2	-	195	350	715	NN4930	NN4930K	163	166	-	196	2	6.36
150	210	60	2	167	-	350	715	NNU4930	NNU4930K	163	166	171	196	2	6.39
150	225	56	2.1	-	206	335	585	NN3030	NN3030K	165	169	-	209	2	7.77
150	225	56	2.1	172	-	335	585	NNU3030	-	165	-	176	209	2	7.81
150	250	80	2.1	-	226	535	860	NN3130	-	165	-	-	234	2	15.4
160	200	40	1	-	188	150	355	NN4832	-	169	-	-	191	1	2.95
160	220	45	2	-	205	271	520	NN3932	NN3932K	173	176	-	206	2	5.02
160	220	60	2	-	205	365	760	NN4932	NN4932K	173	176	-	206	2	6.77
160	220	60	2	178.5	-	365	760	NNU4932	NNU4932K	173	176	182	206	2	6.76
160	240	60	2.1	-	219	375	660	NN3032	NN3032K	175	180	-	224	2	9.41
160	240	60	2.1	183	-	375	660	NNU3032	-	175	-	188	224	2	9.48
160	240	80	2.1	-	219	510	985	NN4032	NN4032K	175	182	-	224	2	12.7
160	240	80	2.1	183	-	510	985	NNU4032	-	175	-	188	224	2	12.7
160	270	86	2.1	-	243	620	1000	NN3132	-	175	-	-	253	2	19.8
170	230	45	2	-	215	280	550	NN3934	NN3934K	183	186	-	216	2	5.01
170	230	60	2	-	215	375	805	NN4934	NN4934K	183	186	-	216	2	7.13
170	230	60	2	187	-	375	805	NNU4934	NNU4934K	183	186	192	216	2	7.12
170	260	67	2.1	-	236	450	805	NN3034	NN3034K	185	191	-	244	2	12.8
170	260	67	2.1	196	-	450	805	NNU3034	NNU3034K	185	191	201	244	2	12.9
170	280	88	2.1	-	253	635	1050	NN3134	-	185	-	-	263	2	21.1
170	280	88	2.1	201	-	635	1050	NNU3134	-	185	-	206	263	2	21.4
180	225	45	1	-	213	225	535	NN4836	-	189	-	-	215	1	4.15
180	250	52	2	-	232	340	655	NN3936	NN3936K	193	198	-	236	2	7.2
180	250	69	2	-	232	480	1020	NN4936	NN4936K	193	198	-	236	2	10.4
180	250	69	2	201	-	480	1020	NNU4936	NNU4936K	193	199	205	236	2	10.4
180	280	74	2.1	-	255	565	995	NN3036	NN3036K	195	202	-	263	2	16.8
180	280	74	2.1	209	-	565	995	NNU3036	-	195	-	214	263	2	16.9
190	260	52	2	-	243	345	680	NN3938	NN3938K	203	208	-	245	2	7.46
190	260	69	2	-	243	485	1060	NN4938	NN4938K	203	209	-	245	2	10.9
190	260	69	2	212	-	485	1060	NNU4938	NNU4938K	203	209	217	245	2	10.9
190	290	75	2.1	-	265	595	1080	NN3038	NN3038K	206	212	-	273	2	17.8
190	290	75	2.1	219	-	595	1080	NNU3038	-	206	-	224	273	2	17.9
190	290	100	2.1	-	265	825	1640	NN4038	-	206	-	-	273	2	24
190	320	104	3	-	287	840	1420	NN3138	-	208	-	-	300	2.5	33.8

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