Single row cylindrical roller bearings are separable bearings. Compared with annular ball bearing of the same size, it is more suitable for larger radial load and has better impact resistance, but it is not generally used to withstand axial load. The common structures are following four types:N 、NU 、NJ 、NF.
|
Dimensions |
Basic load ratings |
Designation |
Mass |
Limiting speeds |
|||||||||||||||||
|
mm |
kN |
Current |
Original |
kg |
r/min |
||||||||||||||||
|
d |
D |
B |
Fw |
Ew |
r/min |
Cr |
Cor |
|
|
|
Grease |
Oil |
|||||||||
|
120 |
180 |
28 |
135 |
- |
2 |
130 |
168 |
NU 1024M |
32124H |
2.96 |
3400 |
4000 |
|||||||||
|
|
180 |
28 |
135 |
- |
2 |
130 |
168 |
NJ 1024 |
42124 |
3.09 |
3400 |
4000 |
|||||||||
|
|
215 |
40 |
- |
191.5 |
2.1 |
250 |
211 |
N 224E |
2224H |
6.2 |
2400 |
3000 |
|||||||||
|
|
215 |
40 |
143.5 |
- |
2.1 |
322 |
422 |
NU 224E |
32224H |
6.2 |
2400 |
3000 |
|||||||||
|
|
215 |
40 |
143.5 |
- |
2.1 |
322 |
422 |
NJ 224E |
42224H |
6.2 |
2400 |
3000 |
|||||||||
|
|
240 |
80 |
150 |
- |
3 |
477 |
408 |
NJ 624 |
42724 |
17.8 |
2400 |
3200 |
|||||||||
|
|
260 |
86 |
154 |
- |
3 |
632 |
868 |
NU 2324E |
32624 |
23.8 |
1900 |
2400 |
|||||||||
|
|
310 |
72 |
- |
260 |
5 |
660 |
530 |
N 424 |
2424 |
29 |
1900 |
2400 |
|||||||||
|
|
310 |
72 |
170 |
- |
5 |
642 |
772 |
NU 424 |
32424 |
29.1 |
1900 |
2400 |
|||||||||
|
|
310 |
72 |
170 |
- |
5 |
642 |
772 |
NJ 424 |
42424 |
29.1 |
1900 |
2400 |
|||||||||
|
130 |
200 |
33 |
148 |
- |
2 |
152 |
212 |
NU 1026 |
32126 |
3.84 |
3200 |
3800 |
|||||||||
|
|
250 |
80 |
158 |
- |
3 |
547 |
473 |
NJ 626 |
42726 |
18.7 |
2200 |
3000 |
|||||||||
|
|
280 |
58 |
- |
243 |
4 |
515 |
410 |
N 326E |
2326 |
17.8 |
1800 |
2200 |
|||||||||
|
|
280 |
58 |
167 |
- |
4 |
492 |
620 |
NU 326E |
32326 |
17.9 |
1800 |
2200 |
|||||||||
|
|
280 |
58 |
167 |
- |
4 |
492 |
620 |
NJ 326E |
42326 |
18.2 |
1800 |
2200 |
|||||||||
|
|
280 |
93 |
- |
243 |
4 |
770 |
685 |
N 2326 |
2626 |
29 |
1800 |
2200 |
|||||||||
|
|
280 |
93 |
167 |
- |
4 |
748 |
1060 |
NU 2326 |
32626 |
28.7 |
1800 |
2200 |
|||||||||
|
|
280 |
93 |
167 |
- |
4 |
748 |
1060 |
NJ 2326 |
42626 |
29 |
1800 |
2200 |
|||||||||
|
|
340 |
78 |
185 |
- |
5 |
782 |
942 |
NU 426 |
32426 |
41.5 |
1500 |
1900 |
|||||||||
|
|
340 |
78 |
185 |
- |
5 |
782 |
942 |
NJ 426 |
42426 |
41.7 |
1500 |
1900 |
|||||||||
|
140 |
190 |
24 |
- |
178 |
1.5 |
%0 |
|||||||||||||||
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