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  • 商品名称: 圆柱轴承
  • 商品编号: YZGZ1 N238EM

                滚动体是圆柱滚子的向心滚动轴承。圆柱滚子轴承内部结构采用滚子呈90°相互垂直交叉排列(这也是交 叉滚子轴承的名称由来),滚子之间装有间隔保持器或者隔离块,可以防止滚子的倾斜或滚子之间相互磨察,有效防止了旋转扭矩的增加。

1. What is a Cylindrical Roller Bearing?

Cylindrical roller bearing are of high load capacity and can operate at high speeds because they use rollers as their rolling elements. They can therefore be used in applications involving heavy radial and impact loading.

The rollers are cylindrical in shape and crowned at the end in order to reduce the stress concentrations. They are also suitable for applications that require high speed because the rollers are guided by ribs which are either on the outer or inner ring.

 

2. More information:

With the absence of ribs, either the inner or outer ring will move freely so as to adjust to axial movement hence can be used as free side bearings. This enables them to absorb shaft expansion to a certain extent, relative to the housing position.

NU and NJ type cylindrical roller bearing produce high performance results when used as free side bearings because they possess the required characteristics for that purpose. NF type cylindrical roller bearing also supports the displacement of the axial to a certain extent in both directions and therefore can be used as a free side bearing.

In applications where heavy axial loads have to be supported, cylindrical roller thrust bearings are the most suitable. This is because they are designed to contain shock loads, are stiff and the axial space required is little. They only support axial loads that are acting in a single direction.

 

3.Detailed applications:

Specifically, our cylindrical roller bearings can be used in industrial transmission, automotive, electric motor, generator sets, elevating machinery, machine tool spindles as well as internal-combustion engines, etc.

 

4.Advantages:

These roller bearings can be separated and are easy to mount as well as dismount.

 

5. Product specification:

In bearings of this type, the cylindrical rollers are in linear contact with the raceways. They have a high radial load

capacity and are suitable for high speeds.

There are different types designated as NU, NJ, NUP, N, NF (for single-row bearings), NNU, and NN (for double-row bearings depending on the design or absence of side ribs).

The outer and inner rings of all types are separable.

Some cylindrical roller bearings have no ribs on either the inner or outer ring, so the rings can move axially relative to each other. These can be used as free-end bearings. Cylindrical roller bearings, in which either the inner or outer rings has two ribs and the other ring has one, are capable of taking some axial load in one direction Double-row cylindrical roller bearings have high radial rigidity and are used primarily for precision machine tools.

Pressed steel or machined brass cages are generally used, but sometimes molded polyamide cages are also used.

Depending on the existence of ribs on their rings,

Types NU, N, NNU,and NN are suitable as freeend bearings. Types NJ and NF can sustain limited axial loads in one

direction. Types NH and NUP can be used as fixed-end bearings.

NH-type cylindrical roller bearings consist of the NJ-type cylindrical roller bearings and HJ-type L-shaped thrust collars.

The inner ring loose rib of an NUPtype cylindrical roller bearing should be mounted so that the marked side is on the outside

Single Row Cylindrical Roller Bearing
Bearing Designation  Boundary Dimensions  Mass 
d D B
mm kg
NU1010E 50 80 16 0.35
N210E 50 90 20 0.48
NU210E 50 90 20 0.49
NUP210E 50 90 20 0.51
NJ2210E 50 90 23 0.59
NU2210E 50 90 23 0.56
NUP2210E 50 90 23 0.59
N310E 50 110 27 1.15
NF310E 50 110 27 1.2
NJ310E 50 110 27 1.16
NU310E 50 110 27 1.15
NUP310E 50 110 27 1.2
NJ2310E 50 110 40 1.75
NU2310E 50 110 40 1.7
NUP2310E 50 110 40 1.8
NJ410E 50 130 31 2.05
NU410E 50 130 31 2
NJ1011E 55 90 18 0.42
NU1011E 55 90 18 0.4
N211E 55 100 21 0.66
NF211E 55 100 21 0.73
NJ211E 55 100 21 0.69
NU211E 55 100 21 0.67
NUP211E 55 100 21 0.69
NJ2211E 55 100 25 0.81
NU2211E 55 100 25 0.79
NUP2211E 55 100 25 0.82
N311E 55 120 29 1.57
NJ311E 55 120 29 1.5
NU311E 55 120 29 1.45
NUP311E 55 120 29 1.55
NJ2311E 55 120 43 2.3
NU2311E 55 120 43 2.25
NUP2311E 55 120 43 2.35
NJ411E 55 140 33 2.55
NU411E 55 140 33 2.5
NU1012M 60 95 18 0.48
N212M 60 110 22 0.81
NJ212M 60 110 22 0.82
NU212M 60 110 22 0.81
NUP212M 60 110 22 0.88
NJ2212M 60 110 28 1.15
NU2212M 60 110 28 1.1
NUP2212M 60 110 28 1.15
N312M 60 130 31 1.8
NJ312M 60 130 31 1.9
NU312M 60 130 31 1.8
NUP312M 60 130 31 1.95
NJ2312M 60 130 46 2.8
NU2312M 60 130 46 2.75
NJ412M 60 150 35 3.1
NU412M 60 150 35 3
NU1013M 65 100 18 0.45
N213M 65 120 23 1.05
NJ213M 65 120 23 1.07
NU213M 65 120 23 1.1
NUP213M 65 120 23 1.1
NJ2213M 65 120 31 1.45
NU2213M 65 120 31 1.4
NUP2213M 65 120 31 1.5
N313M 65 140 33 2.25
NJ313M 65 140 33 2.3
NU313M 65 140 33 2.25
NUP313M 65 140 33 2.35
NJ2313M 65 140 48 3.35
NU2313M 65 140 48 3.3
NUP2313M 65 140 48 3.45
NJ413M 65 160 37 3.65
NU413M 65 160 37 3.6
NU1014M 70 110 20 0.62
N214M 70 125 24 1.15
NJ214M 70 125 24 1.15
NU214M 70 125 24 1.2
NUP214M 70 125 24 1.2
NJ2214M 70 125 31 1.7
NU2214M 70 125 31 1.55
NUP2214M 70 125 31 1.55
N314M 70 150 35 2.75
NJ314M 70 150 35 2.8
NU314M 70 150 35 2.75
NUP314M 70 150 35 2.85
NJ2314M 70 150 51 4.05
NU2314M 70 150 51 4.35
NUP2314M 70 150 51 4.15
N414M 70 180 42 5.2
NJ414M 70 180 42 5.35
NU414M 70 180 42 5.25
N215M 75 130 25 1.25
NJ215M 75 130 25 1.4
NU215M 75 130 25 1.27
NUP215M 75 130 25 1.3
NJ2215M 75 130 31 1.6
NU2215M 75 130 31 1.6
NUP2215M 75 130 31 1.65
N315M 75 160 37 3.3
NJ315M 75 160 37 3.35
NU315M 75 160 37 3.3
NUP315M 75 160 37 3.45
NJ2315M 75 160 55 5
NU2315M 75 160 55 4.93
NUP2315M 75 160 55 5.1
NJ415M 75 190 45 6.9
NU415M 75 190 45 6.25
NJ1016M 80 125 22 1.1
NU1016M 80 125 22 1
N216M 80 140 26 1.5
NJ216M 80 140 26 1.6
NU216M 80 140 26 1.5
NUP216M 80 140 26 1.65
NJ2216M 80 140 33 2.05
NU2216M 80 140 33 2
NUP2216M 80 140 33 2.1
N316M 80 170 39 3.9
NJ316M 80 170 39 4.05
NU316M 80 170 39 3.95
NUP316M 80 170 39 4.1
NJ2316M 80 170 58 6
NU2316M 80 170 58 5.95
NUP2316M 80 170 58 6.6
NJ416M 80 200 48 8.05
NU416M 80 200 48 7.9
NJ1017M 85 130 22 1.1
NU1017M 85 130 22 1.05
N217M 85 150 28 1.9
NJ217M 85 150 28 1.95
NU217M 85 150 28 1.9
NUP217M 85 150 28 2
NJ2217M 85 150 36 2.55
NU2217M 85 150 36 2.45
NUP2217M 85 150 36 2.65
N317M 85 180 41 4.7
NJ317M 85 180 41 4.8
NU317M 85 180 41 4.7
NUP317M 85 180 41 4.9
NU2317M 85 180 60 6.85
NUP2317M 85 180 60 7
NJ417M 85 210 52 8.9
NU417M 85 210 52 9.7
NU1018M 90 140 24 1.35
N218M 90 160 30 2.35
NJ218M 90 160 30 2.4
NU218M 90 160 30 2.35
NUP218M 90 160 30 2.45
NJ2218M 90 160 40 3.2
NU2218M 90 160 40 3.15
N318M 90 190 43 5.4
NJ318M 90 190 43 6
NU318M 90 190 43 5.45
NUP318M 90 190 43 5.65
NJ318M 90 190 53 5.55
NJ2318M 90 190 64 8.15
NU2318M 90 190 64 8
NUP2318M 90 190 64 8.15
NU418M 90 225 54 10.5
NU1019M 95 145 24 1.4
N219M 95 170 32 2.85
NJ219M 95 170 32 2.9
NU219M 95 170 32 2.85
NUP219M 95 170 32 3
NJ2219M 95 170 43 3.95
NU2219M 95 170 43 3.85
NUP2219M 95 170 43 4
N319M 95 200 45 6.25
NJ319M 95 200 45 6.45
NU319M 95 200 45 6.25
NUP319M 95 200 45 6.25
NJ2319M 95 200 67 10.7
NU2319M 95 200 67 9.65
NUP2319M 95 200 67 9.75
NU419M 95 240 55 13.5
NU1020M 100 150 24 1.45
N220M 100 180 34 3.45
NJ220M 100 180 34 3.55
NU220M 100 180 34 3.45
NUP220M 100 180 34 3.6
NJ2220M 100 180 46 4.8
NU2220M 100 180 46 4.75
NUP2220M 100 180 46 4.9
N320M 100 215 47 7.55
NF320M 100 215 47 9
NJ320M 100 215 47 7.8
NU320M 100 215 47 7.8
NUP320M 100 215 47 8
NJ2320M 100 215 73 12.2
NU2320M 100 215 73 12
NUP2320M 100 215 73 12.5
NU420M 100 250 58 14
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