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NU2200 Series


Cylindrical roller bearings provide the highest possible radial load capacity compared to other roller bearing types. Four primary styles are available to meet a variety of application requirements.
The rollers of Cylindrical roller bearings are a key component. Their geometry, the so-called logarithmic profile, provides an optimum stress distribution in the contact zones in the bearing. Their surface finish maximizes lubricant film formation and optimizes rolling motion of the rollers. The benefits derived from this compared with traditional designs include enhanced operational reliability and a greater insensitivity to misalignment.
One-row, or single-row, caged Cylindrical roller bearings are available in six primary designs. Inside and outside ring configurations vary to accommodate different application designs.
Two-row, or double-row, Cylindrical roller bearings offer added radial capacity over traditional one-row types.
Four-row Cylindrical roller bearings have an extremely high radial load capacity, but no thrust capacity. This bearing type is mostly used in roll neck and work roll applications in the metal rolling industry.
Full complement Cylindrical roller bearings meet the need for increased radial load carrying capacity by maximizing the number of rollers in a given envelope.

WGD Bearing No.
Boundary dimensions
Basic load rating(kN)
Limiting speeds
Mass
mm
Dynamic
Static
rpm
Kg
d
D
B
rs min
rs1 min
Cr
Cor
Grease
Oil
≈
NU2204E
20
47
18
1
0.6
30.5
28.3
14,000
16,000
0.158
NU2205E
25
52
18
1
0.6
35
34.5
11,000
13,000
0.186
NU2206E
30
62
20
1
0.6
49
50
9,700
11,000
0.297
NU2207E
35
72
23
1.1
0.6
61.5
65.5
8,500
10,000
0.455
NU2208
40
80
23
1.1
1.1
58
62
8,500
10,000
0.49
NU2208E
40
80
23
1.1
1.1
72.5
77.5
7,600
8,900
0.552
NU2209
45
85
23
1.1
1.1
61.5
68
7,600
9,000
0.53
NU2209E
45
85
23
1.1
1.1
76
84.5
6,800
8,000
0.6
NU2210
50
90
23
1.1
1.1
64
73.5
6,900
8,100
0.571
NU2210E
50
90
23
1.1
1.1
79.5
91.5
6,200
7,300
0.652
NU2211
55
100
25
1.5
1.1
75.5
87
6,300
7,400
0.773
NU2211E
55
100
25
1.5
1.1
97
114
5,600
6,600
0.968
NU2212
60
110
28
1.5
1.5
96
116
5,800
6,800
1.06
NU2212E
60
110
28
1.5
1.5
131
157
5,200
6,100
1.21
NU2213
65
120
31
1.5
1.5
120
149
5,400
6,300
1.4
NU2213E
65
120
31
1.5
1.5
149
181
4,800
5,600
1.6
NU2214
70
125
31
1.5
1.5
119
151
5,000
5,900
1.47
NU2214E
70
125
31
1.5
1.5
156
194
4,500
5,200
1.7
NU2215
75
130
31
1.5
1.5
130
162
4,700
5,500
1.55
NU2215E
75
130
31
1.5
1.5
162
207
4,200
4,900
1.79
NU2216
80
140
33
2
2
147
186
4,400
5,100
1.93
NU2216E
80
140
33
2
2
186
243
3,900
4,600
2.12
NU2217
85
150
36
2
2
170
218
4,100
4,800
2.44
NU2217E
85
150
36
2
2
217
279
3,700
4,300
2.68
NU2218
90
160
40
2
2
197
248
3,900
4,600
3.1
NU2218E
90
160
40
2
2
242
315
3,500
4,100
3.33
NU2219
95
170
43
2.1
2.1
230
298
3,600
4,300
3.79
NU2219E
95
170
43
2.1
2.1
286
370
3,300
3,800
4.14
NU2220
100
180
46
2.1
2.1
258
340
3,500
4,100
4.57
NU2220E
100
180
46
2.1
2.1
335
445
3,100
3,600
5.01
NU2222
110
200
53
2.1
2.1
320
415
3,100
3,700
6.56
NU2222E
110
200
53
2.1
2.1
385
515
2,800
3,300
7.4
NU2224
120
215
58
2.1
2.1
350
460
2,900
3,400
8.19
NU2224E
120
215
58
2.1
2.1
450
620
2,600
3,000
9.18
NU2226
130
230
64
3
3
380
530
2,600
3,100
10.2
NU2226E
130
230
64
3
3
530
735
2,300
2,700
11.8
NU2228
140
250
68
3
3
445
635
2,400
2,800
12.9
NU2228E
140
250
68
3
3
575
835
2,100
2,500
15.8
NU2230
150
270
73
3
3
500
710
2,200
2,600
16.3
NU2230E
150
270
73
3
3
660
980
2,000
2,400
19.7

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