Cylindrical Roller Bearing, buy NU 1009 M N 209 EM NJ 209 EM NU 209 EM NUP 209 EM NJ 2209 EM NU 2209 EM NUP 2209 E N 309 EM NJ 309 EM NU 309 EM NUP 309 EM NJ 2309 EM NU 2309 EM NUP 2309 EM N 409 M NJ 409 M NU 409 M NUP 409 M NN 3009 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
NU 1009 M	45	75	16	31,4	34,8	9000	11000	0,289	1	0,6	52,5
N 209 EM	45	85	19	46	46,9	7500	9000	0,445	1,1	1,1		75,0
NJ 209 EM	45	85	19	63	66,4	8000	6300	0,519	1,1	1,1	54,5
NU 209 EM	45	85	19	60,2	62,8	7500	9000	0,427	1,1	1,1	54,5
NUP 209 EM	45	85	19	63	66,4	8000	6300	0,519	1,1	1,1	54,5
NJ 2209 EM	45	85	23	76,1	84,6	5500	8000	0,55	1,1	1,1	54,5
NU 2209 EM	45	85	23	76,1	84,6	5500	8000	0,55	1,1	1,1	54,5
NUP 2209 E	45	85	23	73,9	81,6	7500	9000	0,53	1,1	1,1	54,5
N 309 EM	45	100	25	96,9	97,7	6000	7000	0,895	1,5	1,5	58,5
NJ 309 EM	45	100	25	96,9	97,7	6000	7000	0,895	1,5	1,5	58,5
NU 309 EM	45	100	25	96,9	97,7	6000	7000	0,895	1,5	1,5	58,5
NUP 309 EM	45	100	25	96,9	97,7	6000	7000	0,895	1,5	1,5	58,5
NJ 2309 EM	45	100	36	129,4	141,2	6000	7000	1,29	1,5	1,5	58,5
NU 2309 EM	45	100	36	129,4	141,2	6000	7000	1,29	1,5	1,5	58,5
NUP 2309 EM	45	100	36	129,4	141,2	6000	7000	1,29	1,5	1,5	58,5
N 409 M	45	120	29	104	97,8	5600	6700	1,66	2	2		100,5
NJ 409 M	45	120	29	121,2	111,5	5600	6700	1,87	1,5	1,5	64,5
NU 409 M	45	120	29	104	97,8	5600	6700	1,66	2	2	64,5
NUP 409 M	45	120	29	104	97,8	5600	6700	1,66	2	2	64,5
NN 3009 K M NA	45	75	23	48,5	70	8000	9500	0,382	1,0	4,5		67,5

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.