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NU340ECMA cylindrical roller bearings

NU340ECMA Cylindrical Roller Bearings

Min. Order:
1 Piece
Technical Parameters:
Product Designations:
NU340ECMA
Structure:
roller bearings
Inside Diameter:
200 mm
Outside Diameter:
420 mm
Thickness:
80 mm
Brand:
BOBO
Precision Rating:
P0,P6
Bearing Material:
GCr15
Seals Type:
open
NU340ECMA Cylindrical Roller Bearings

1.NU340ECMA cylindrical roller bearings

2.size:200*420*80mm

3.material:GCr15

4.cage :brass cage

5.type:NU,N,NJ,NUP series

6.precision class:P0,P6,P5,P4,P2

7.features

1. The rollers and raceway for the line contact or offline access, radial load capacity is large, suitable for under heavy load and shock load. [1]
2. The friction coefficient is small, suitable for high speed, the limit speed close to the deep groove ball bearings.
3. N and NU type axial movement, can adapt shaft caused by thermal expansion or installation error and shell the change of relative position, can be used for free end bearing.
4. On the shaft or hole processing the demand is higher, bearing outer axis relative deflection after installation to kept under strict control, so as not to cause contact stress concentration.
5. Inner ring or outer ring separable, easy to install and disassemble.

8.application:Large and medium-sized motor, locomotives, spindle, internal combustion engines, generators, gas turbines, reducer, rolling mill, vibrating screen and lifting transportation machinery, etc

9.technical models

 

Model size Basic Load Rating   weight
d D B Cor Cr limit speed
mm KN r/min kg
NU1040MA 200 310 51 570 380 3000 14.5
NU240ECMA 200 360 58 1020 850 2800 28.5
NJ240ECMA 200 360 58 1020 850 2800 29
NUP240ECMA 200 360 58 1020 850 2800 29.5
NU2240ECMA 200 360 98 1800 1370 2800 46
NU340ECMA 200 420 80 1630 1320 2400 56
NU2340ECMA 200 420 138 2800 1980 2400 97
NJ2340ECMA 200 420 138 2800 1980 2400 98
NU1044MA 220 340 56 735 495 2800 19
NU244ECMA 220 400 65 1290 1060 2400 38.5
NJ244ECMA 220 400 65 1290 1060 2400 39
NUP244ECMA 220 400 65 1290 1060 2400 39.5
NU2244ECMA 220 400 108 2280 1570 2400 62.5
NU344M 220 460 88 1630 1210 1700 72.5
NJ344M 220 460 88 1630 1210 1700 73.5
NU2344ECMA 220 460 145 3450 2380 2200 120
NU1048MA 240 360 56 800 523 2600 20
NU248MA 240 440 72 1370 952 2200 51.5
NJ248MA 240 440 72 1370 952 2200 52.5
NUP248MA 240 440 72 1370 952 2200 53.5
NU2248MA 240 440 120 2360 1450 2200 84
NJ2248MA 240 440 120 2360 1450 2200 85
NU348M 240 500 95 2000 1450 1600 94.5
NJ348MA 240 500 95 2000 1450 2000 98.5
NU2348ECMA 240 500 155 3650 2600 2000 155

 


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