Cylindrical Roller Bearing

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Descriptions and Technical Parameters

Cylindrical roller bearings are available in a wide range of designs, series, variants and sizes. The main design differences are the number of roller rows and the inner/outer ring flanges as well as cage designs and materials.

The bearings can meet the challenges of applications faced with heavy radial loads and high speeds. Accommodating axial displacement (except for bearings with flanges on both the inner and outer rings), they offer high stiffness, low friction and long service life.

Inquiry	Bearing NO.		Boundary dimensions(mm)							Basic load ratings(kN)		Limiting speed(rpm)		Abutment and fillet dimensions(mm)						Weight (kg)
Inquiry	New	Old	d	D	B	r 1.2min	r3、4min	Fw	Ew	Cr	Cor	Grease	Oil	da min	db min	Da max	Db max	ra max	rb max	Refer
	NJ2240M	42540	200	360	98	4	4	244		960	1600	1500	1800		221	337		3	3	45.5
	NU3240M	3032240	200	360	128	4	4	244		1100	1810	1500	1800		221	337		3	3	58
	NU340M	32340	200	420	80	5	5	260		975	1270	1500	1800		225	392		4	4	56.8
	N2340M	2640	200	420	138	5	5		364	1620	2640	1200	1500	225			392	4	4	94.5
	NU2340M	32640	200	420	138	5	5	260		1510	2240	1200	1500		225	392		4	4	96.8
	NU3340M	3032340	200	420	165	5	5	260		1730	2660	1200	1500		225	392		4	4	115
	NU1944M	1032944	220	300	38	2.1	1.5	240	280	295	495	1900	2400	236	233	283	286	2	1.5	7.88
	NU2944M	2032944	220	300	48	2.1	1.5	240	280	370	660	1900	2400	236	233	283	286	2	1.5	9.93
	NU1044M	32144	220	340	56	3	3	250		500	750	1800	2200		238	320		2.5	2.5	18.2
	NJ1044M	42144	220	340	56	3	3	250		500	750	1800	2200		238	320		2.5	2.5	19.6
	N244M	2244	220	400	65	4	4		350	760	1200	1500	1800	241			376	3	3	36.7
	NU244M	32244	220	400	65	4	4	270		760	1200	1500	1800		241	376		3	3	34.7
	NJ244M	42244	220	400	65	4	4	270		760	1200	1500	1800		241	376		3	3	35.4
	NU2244M	32544	220	400	108	4	4	270		1140	1810	1300	1600		241	376		3	3	61.8
	NJ2244M	42544	220	400	108	4	4	270		1140	1810	1300	1600		241	376		3	3	63
	N2344EM	2644EH	220	460	145	5	5		407	1780	2620	1000	1300	245			431	4	4	114
	NU2344EM	32644EH	220	460	145	5	5	284		1780	2620	1000	1300		245	431		4	4	120
	NU3344M/HC		220	460	180			284		2130	3300	800	1100		245	431		4	4	140.6
	NU1948M	1032948	240	320	38	2.1	2.1	260		315	550	2000	2400		253	302		2	2	8.68
	NU2948M	2032948	240	320	48	2.1	2.1	260		385	710	2000	2400		253	302		2	2	10.7
	NU1048M	32148	240	360	56	3	3	270		530	820	1700	2000		259	340		2.5	2.5	21.2
	NU248M	32248	240	440	72	4	4	295		985	1540	1300	1600		262	415		3	3	46.9
	NJ248M	42248	240	440	72	4	4	295		935	1340	1300	1600		262	415		3	3	51
	NUP248M	92248	240	440	72	4	4	295		935	1340	1300	1600		262	415		3	3	51.4
	NU2248M	32548	240	440	120	4	4	295		1440	2320	1000	1300		262	415		3	3	84.9
	NJ2248M	42548	240	440	120	4	4	295		1440	2320	1000	1300		262	415		3	3	86.7
	N348M	2348	240	500	95	5	5		430	1400	2200	1000	1300	266			470	4	4	94.6
	NU348M	32348	240	500	95	5	5	310		1400	2200	1000	1300		266	470		4	4	96.3
	NU2348M	32648	240	500	155	5	5	310		2000	2990	1000	1300		266	470		4	4	152
	NU1952M	1032952	260	360	46	2.1	2.1	286		435	760	1900	2200		277	342		2	2	14.4
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Cylindrical Roller Bearing

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