Home > Industrial Equipment & Components > Bearing > Cylindrical Roller Bearing > NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 K M NA, Cylindrical Roller Bearings

NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 K M NA, Cylindrical Roller Bearings

NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 K M NA, Cylindrical Roller Bearings thumbnail-1
NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 K M NA, Cylindrical Roller Bearings thumbnail-2
NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 K M NA, Cylindrical Roller Bearings thumbnail-3
NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 K M NA, Cylindrical Roller Bearings photo-1
NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 K M NA, Cylindrical Roller Bearings photo-2
NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 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:
NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 K M NA
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Brand Name HPC or Natural or OEM
Place of Origin China
Model Number NJ 2856 M NU 1956 M NU 1056 M NJ 1056 M NU 2056 M NU 3156 EM NJ 256 EM NU 256 EM NU 2256 EM NU 356 EM NU 2356 EM NN 3056 K M NA
Number of Row Single Row
Seals Type Open
Precision Rating P6
Outside Diameter 350, 580
Bore Size 280, 280

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
NJ 2856 M 280 350 42 363 790 1800 2200 9,15 2 2 299,0
NU 1956 M 280 380 46 473 865 1700 1900 15,5 2,1 2,1 306,0
NU 1056 M 280 420 65 704 1140 1400 1700 30,9 4 4 316,0
NJ 1056 M 280 420 65 704 1140 1400 1700 32,2 4 4 316,0
NU 2056 M 280 420 82 1190 2170 1050 1300 39,5 4 4 314,0
NU 3156 EM 280 460 146 2250 3900 900 1150 106 5 5 321,0
NJ 256 EM 280 500 80 1100 1750 1150 1450 71,5 5 5 340,0
NU 256 EM 280 500 80 1100 1750 1150 1450 70 5 5 340,0
NU 2256 EM 280 500 130








NU 356 EM 280 580 108 1880 2660 850 1000 147 6 6 362,0
NU 2356 EM 280 580 175 2560 4250 900 1100 232 6 6 362,0
NN 3056 K   M NA 280 420 106 1110 1985 1400 1700 49,5 4,0 15,0
384


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 operation. 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: NJ 2856 M , NU 1956 M , NJ 1056 M , NU 2056 M , NU 3156 EM , NU 2256 EM , NU 356 EM , NU 2356 EM , NN 3056 K M NA

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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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