Home > Industrial Equipment & Components > Bearing > Cylindrical Roller Bearing > NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA，Cylindrical Roller Bearings

NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA，Cylindrical Roller Bearings

NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA，Cylindrical Roller Bearings thumbnail-1
NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA，Cylindrical Roller Bearings thumbnail-2
NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA，Cylindrical Roller Bearings thumbnail-3
NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA，Cylindrical Roller Bearings photo-1
NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA，Cylindrical Roller Bearings photo-2
NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA，Cylindrical Roller Bearings photo-3
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Brand Name:
HPC or Natural or OEM
Place of Origin:
China
Model Number:
NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA
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Brand Name HPC or Natural or OEM
Place of Origin China
Model Number NU 1030 M N 230 EM NJ 230 EM NU 230 EM NU 230 MA NUP 230 M NJ 2230 EM NU 2230 EM NUP 2230 M N 330 EM NJ 330 EM NU 330 EM NUP 330 EM NJ 2330 EM NU 2330 EM NUP 2330 M NNU 4930 K M NA NN 3030 K M NA
Number of Row Single Row
Seals Type Open
Precision Rating P6
Outside Diameter 210, 320
Bore Size 150, 150

Please contact with us via sale01@hady.Ltd directly or whatsapp/wechat +86 136 0603 6591 for rush case support.



 Principal dimensions Basic load ratings Speed limits Weight Radius Dimensions
Part   number Bore Outer Width Dynamic Static Grease Oil

d D B C Co rpm Kg rs min r1s min F E

mm kN 1 min−1 mm mm
NU 1030 M 150 225 35 190 271 2600 3200 4,83 2,1 1,5 169,5
N 230 EM 150 270 45 386,6 554,8 1900 2400 11,2



NJ 230 EM 150 270 45 422 550 2200 2800 10,6 3 3 182,0
NU 230 EM 150 270 45 422 550 2200 2800 11,68 3 3 182,0
NU 230 MA 150 270 45 370 484 2000 2600 10,3 3 3 182,0
NUP 230 EM 150 270 45 370 484 2000 2600 10,9 3 3 182,0
NJ 2230   EM 150 270 73 573,7 922 1900 2400 18,61



NU 2230   EM 150 270 73 573,7 922 1900 2400 18,25



NUP 2230   M 150 270 73 565 836 1900 2400 19,7 3 3 182,0
N 330 EM 150 320 65 688 921 1700 2000 25,78



NJ 330 EM 150 320 65 688 921 1700 2000 26,32



NU 330 EM 150 320 65 798 988 1700 2000 27 4 4 193,0
NUP 330   EM 150 320 65 667 813 1700 2000 27,4 4 4 193,0
NJ 2330   EM 150 320 108 1055 1607 1700 2000 43,5



NU 2330   EM 150 320 108 1055 1607 1700 2000 42,98



NUP 2330   M 150 320 108 1022 1409 1700 2000 44,7 4 4 193,0
NNU 4930   K M NA 150 210 60 326,0 645 2600 3200 6,460 2,0
168,5
NN 3030 K   M NA 150 225 56 339,0 600 2600 3000 7,500 2,1 9,5
206,0


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.


Product Tags: NU 1030 M , NU 230 MA , NUP 230 EM , NUP 2230 M , NUP 330 EM , NUP 2330 M , NNU 4930 K M NA , NN 3030 K M NA , NJ 2230 EM

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Integration Trading (Xiamen) Co.,Ltd
Verified Business License
Business Type
Trading Company
Year Established
2018
Factory Size
1,000-3,000 square meters
Annual Export Value
US$10 Million - US$50 Million
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