Cylindrical Roller Bearing, buy NJ 1010 M NU 1010 M NJ 210 EM NU 210 EM NUP 210 EM NJ 2210 EM NU 2210 EM NUP 2210 EM NJ 310 EM NU 310 EM NUP 310 EM NJ 2310 EM NU 2310 EM NUP 2310 EM N 410 M NJ 410 M NU 410 M NN 3010 K M NA Cylindrical Roller Bearings on China Suppliers Mobile

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	Principal dimensions			Basic load ratings		Speed limits		Weight	Radius		Dimensions
Part number	Bore	Outer	Width	Dynamic	Static	Grease	Oil	Weight	Radius		Dimensions
	d	D	B	C	Co	rpm		Kg	rs _min	r1s _min	F	E
	mm			kN		1 min−1		Kg	mm		mm
NJ 1010 M	50	80	16	32,1	36,1	8500	10000	0,32	1	0,6	57,5
NU 1010 M	50	80	16	32,1	36,1	8500	10000	0,31	1	0,6	57,5
NJ 210 EM	50	90	20	61,2	69,2	6000	7500	0,59
NU 210 EM	50	90	20	63,7	68,3	6700	8000	0,48	1,1	1,1	59,5
NUP 210 EM	50	90	20	63,7	68,3	6700	8000	0,52	1,1	1,1	59,5
NJ 2210 EM	50	90	23	76,8	87,6	6900	8300	0,6	1,1	1,1	59,5
NU 2210 EM	50	90	23	76,8	87,6	6900	8300	0,58	1,1	1,1	59,5
NUP 2210 EM	50	90	23	76,8	87,6	6900	8300	0,6	1,1	1,1	59,5
NJ 310 EM	50	110	27	119	125	5300	6700	1,34	2	2	65
NU 310 EM	50	110	27	110	112	6000	7000	1,14	2	2	65,0
NUP 310 EM	50	110	27	110	112	6000	7000	1,14	2	2	65,0
NJ 2310 EM	50	110	40	163	187	5300	6200	1,74	2	2	65,0
NU 2310 EM	50	110	40	162	187	5300	6200	1,74	2	2	65,0
NUP 2310 EM	50	110	40	163	186	5300	6200	1,74	2	2	65,0
N 410 M	50	130	31	139	136	4800	5600	2,01	2,1	2,1		110,8
NJ 410 M	50	130	31	139	136	4800	5600	2,08	2,1	2,1	70,8
NU 410 M	50	130	31	139	136	4800	5600	2,01	2,1	2,1	70,8
NN 3010 K M NA	50	80	23	51,5	80	7500	9000	0,415	1,0	4,5		72,5

Cylindrical roller bearings are manufactured in a number of designs as indicated below.The predominant

type being the single row roller. The roller and cage assembly are guided axially by the integral

flanges (ribs) on one of the bearing rings. This design facilitates ease of mounting and dismounting,

particularly where both races are an interference fit on their seatings. Roller bearings with flanges (ribs)

on one race only do not provide any end location. Various roller bearings with ribs on both races provide

axial location, and are capable of carrying light or intermittent axial loading. These patterns are of

the NJ, NUP and NJ+HJ types. If used for axial location and light axial loads, the contact between the

flanges (ribs) and the roller ends is that of a sliding bearing, not rolling bearing; therefore

lubrication is of paramount importance.

Alignment is much more critical than that of a ball bearing; as a general guide, this is limited to

approximately .003 radians. Double and multi-row bearings are also manufactured

- see NN and NNU series.

Dimensions in accordance with ISO 15-2011

Of these bearings, the NJ, NUP and NJH types can also carry light or intermittent thrust loads between the guide rib and the end of the rollers. Several arrangements of locating ribs are available, as illustrated. The choice between these types is usually decided by consideration of assembly procedure or machine clearances. The bearings utilizing machined bronze cages are suitable for high speed peration. The NN 30 and NN 30 K series are available in high precision tolerances and, due to their extreme rigidity, are particularly suited for use in machine tool spindles.

Typical suffixs used for cylindrical roller bearings:

E - Increased loading capacity

NA - Non-interchangeable components

M - Brass cage guided on the rollers

EM - Increased loading capacity and brass cage guided on the rollers

EMA - Increased loading capacity and brass cage guided on the outer ring.