NU Type

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NU Type

Single-row, double ribs on the outer ring, no ribs on the inner ring. NU-type cylindrical roller bearings allow axial displacement of the shaft relative to the housing in both directions. We offer NU-type cylindrical roller bearings with four cage types: riveted machined brass cages (suffix M), window-type machined brass cages (suffix ML), press...

Nominal model (Distinguished by cage type)				Main dimensions(mm)						Rated load(KN)		Limiting speed(rpm)			Installation dimensions(mm)								Weight(kg)
Turning copper riveting type	Turning copper window type	Stamping steel	Nylon	d	D	B	r(min)	r1(min)	Fw	Cr	Cor	Hot reference speed	Mechanical speed	Grease lubrication	da(min)	db(min)	db(max)	dc(min)	dd(min)	Da(max)	ra(max)	rb(max)	Weight(kg)
NU220EM	NU220EML	NU220W	NU220ET	100	180	34	2.1	2.1	119	249	305	4300	6300	3600	111	111	116	122	130	169	2	2	3.81
NU2220EM	—	NU2220W	NU2220ET	100	180	46	2.1	2.1	119	335	445	4300	5600	3200	111	111	116	122	130	169	2	2	4.69
NU3220M	—	NU3220	—	100	180	60.3	2.1	2.1	120	325	460				—	114		—	—	165	2	2	6.83
NU320EM	NU320EML	NU320EW	NU320ET	100	215	47	3	3	129.5	299	335	4000	—	2200	113	113	126	132	143	202	2.5	2.5	7.69
NU2320EM	NU2320EML	NU2320W	NU2320ET	100	215	73	3	3	127.5	570	715	3400	5000	2400	113	113	124	132	143	202	2.5	2.5	11.8
NU3320M	—	NU3320	—	100	215	82.6	3	3	129.5	560	760				—	116		—	—	197	2.5	2.5	15.5
NU420M	—	NU420W	—	100	250	58	4	4	139	450	500	3000	—	2600	116	116	135	141	156	234	3	3	15.5
NU1021M	NU1021ML	—	—	105	160	26	2	1.1	119.5	109	149	4500	—	4000	114	111.5	118	122	—	151	2	1	1.83
NU221EM	NU221EML	NU221W	NU221ET	105	190	36	2.1	2.1	125	262	310	4300	6000	3400	116	116	121	129	137	179	2	2	4.58
NU2221EM	—	NU2221W	NU2221ET	105	190	50	2.1	2.1	125	262	310	4000	5000	3400		116	121			179	2	2	6.64
NU3221M	—	NU3221	—	105	190	65.1	2.1	2.1	126.8	360	505				—	119		—	—	175	2	2	8.32
NU321EM	—	NU321W	—	105	225	49	3	3	133	425	480	3400	5300	2600	118	118	131	137	149	212	2.5	2.5	9.84
NU2321M	—	—	—	105	225	77	3	3	135	711	750	3200	4800	2300		118	131			212	2.5	2.5	15.6
NU421M	—	—	—	105	260	60	4	4	144.5	495	555	2800	—	2400	121	121	141	147	162	244	3	3	17.3
NU1922M	—	NU1922	—	110	150	20	1.1	1	120	70.5	102				119	118		—	—	140	1	1	1.03
NU1022M	NU1022ML	—	—	110	170	28	2	1.1	125	131	174	4500	—	3800	119	116.5	123	128	—	161	2	1	2.27
NU222EM	NU222EML	NU222W	NU222ET	110	200	38	2.1	2.1	132.5	293	365	4000	5600	3200	121	121	129	135	144	189	2	2	5.37
NU2222EM	NU2222EML	NU2222W	NU2222ET	110	200	53	2.1	2.1	132.5	385	515	4000	5000	2800	121	121	129	135	144	189	2	2	7.65
NU3222M	—	NU3222	—	110	200	69.8	2.1	2.1	132.5	425	605				124	124		—	—	185	2	2	9.85
NU322EM	NU322EML	NU322W	NU322ET	110	240	50	3	3	143	450	525	3200	5000	2600	123	123	139	145	158	227	2.5	2.5	11.8
NU2322EM	NU2322EML	—	NU2322ET	110	240	80	3	3	143	675	880	3000	4500	2200	123	123	139	145	158	227	2.5	2.5	18.8
NU3322M	—	NU3322	—	110	240	92.1	3	3	143	675	910				126	126		—	—	222	2.5	2.5	21.5
NU422M	NU422ML	—	—	110	280	65	4	4	155	550	620	2600	—	2200	126	126	151	157	173	264	3	3	22.1
NU1924M	—	NU1924	—	120	165	22	1.1	1	131.5	98	150				130	128		—	—	155	1	1	1.42
NU2924M	—	NU2924	—	120	165	27	1.1	1.1	131.5	111	175				130	130		—	—	155	1	1	1.69