Metallurgy & Mine Bearings > Double row cylindrical roller bearings
Designation |
Old code. |
Principal Dimensions(mm) |
Weight (KG) |
d |
D |
B |
rsmin |
r2smin |
NNU4944 |
4482944 |
220 |
300 |
80 |
2.1 |
2.1 |
17 |
NNU4944K |
4382944 |
220 |
300 |
80 |
2.1 |
2.1 |
16.5 |
NN3044 |
3282144 |
220 |
340 |
90 |
3 |
3 |
31 |
NN3044K |
3182144 |
220 |
340 |
90 |
3 |
3 |
30.5 |
NNU4144 |
- |
220 |
370 |
150 |
4 |
4 |
66 |
NNU4144K |
- |
220 |
370 |
150 |
4 |
4 |
65 |
NNU4848 |
- |
240 |
300 |
60 |
1.1 |
1.1 |
10 |
NNU4848K |
- |
240 |
300 |
60 |
1.1 |
1.1 |
9.8 |
NNU4948 |
4482948 |
240 |
320 |
80 |
2.1 |
2.1 |
18 |
NNU4948K |
4382948 |
240 |
320 |
80 |
2.1 |
2.1 |
17.5 |
NN3048 |
3282148 |
240 |
360 |
92 |
3 |
3 |
32 |
NN3048K |
3182148 |
240 |
360 |
92 |
3 |
3 |
31.5 |
NNU4148 |
- |
240 |
400 |
160 |
4 |
4 |
86 |
NNU4148K |
- |
240 |
400 |
160 |
4 |
4 |
85 |
NNU4952 |
4482952 |
260 |
360 |
100 |
2.1 |
2.1 |
30 |
NNU4952K |
4382952 |
260 |
360 |
100 |
2.1 |
2.1 |
29 |
NN3052 |
3282152 |
260 |
400 |
104 |
4 |
4 |
48 |
NN3052K |
3182152 |
260 |
400 |
104 |
4 |
4 |
47 |
NNU4052 |
- |
260 |
400 |
140 |
4 |
4 |
64 |
NNU4052K |
- |
260 |
400 |
140 |
4 |
4 |
63.5 |
NNU44152 |
- |
260 |
440 |
180 |
4 |
4 |
112 |
NNU4152K |
- |
260 |
440 |
180 |
4 |
4 |
110 |
NNU4856 |
- |
280 |
350 |
69 |
1.1 |
2 |
16 |
NNU4856K |
- |
280 |
350 |
69 |
1.1 |
2 |
15.5 |
NNU4956 |
4482956 |
280 |
380 |
100 |
2.1 |
2.1 |
33 |
NNU4956K |
4382956 |
280 |
380 |
100 |
2.1 |
2.1 |
32.5 |
NN3056 |
3282156 |
280 |
420 |
106 |
4 |
4 |
50 |
NN3056K |
3182156 |
280 |
420 |
106 |
4 |
4 |
49.5 |
NNU4056 |
- |
280 |
420 |
140 |
4 |
4 |
67 |
NNU4056K |
- |
280 |
420 |
140 |
4 |
4 |
66.5 |
NNU4156 |
- |
280 |
460 |
180 |
5 |
5 |
122 |
NNU4156K |
- |
280 |
460 |
180 |
5 |
5 |
120 |
NNU4860 |
- |
300 |
380 |
80 |
1.5 |
2.1 |
22.5 |
NNU4860K |
- |
300 |
380 |
80 |
1.5 |
2.1 |
22 |
NNU4960 |
4482960 |
300 |
420 |
118 |
3 |
3 |
51 |
NNU4960K |
4382960 |
300 |
420 |
118 |
3 |
3 |
50 |
NN3060 |
3282160 |
300 |
460 |
118 |
4 |
4 |
70 |
NN3060K |
3182160 |
300 |
460 |
118 |
4 |
4 |
68.5 |
NNU4060 |
- |
300 |
460 |
160 |
4 |
4 |
97 |
NNU4060K |
- |
300 |
460 |
160 |
4 |
4 |
96 |
NNU4160 |
- |
300 |
500 |
200 |
5 |
5 |
157 |
NU4160K |
- |
300 |
500 |
200 |
5 |
5 |
155 |
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