Inquiry
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Basic dimension mm
Basic rated load
Code
Rated speed r/min
Mass kg
Dimension mm
Shoulder and chamfer size mm
d
D
B/B
1
Dynamic ckn
Static cokn
Reference speed
Limiting speed
d
1
≈
D
1
≈
F,E
r
1.2
min
r
3.4
min
S
1)
da min
damax
d
b
min
Da max
r
a
max
r
b
max
100
250
58
457
520
NU420M
3000
3600
15.5
-
197.45
139
4
4
4.9
119
135
142
230
取消
3
3
100
280
65
550
630
314461A(NJ/C5)
2000
2600
23.5
171
217
155
4
4
4.8
116
150
174
264
-
3
3
105
160
26
101
137
NU1021ML
4800
7500
1.9
-
140.8
119.5
2
1.1
3.8
111
117
122
151
-
2
1
105
190
36
300
315
NU221ECP
3800
4300
4
-
164
125
2.1
2.1
2
117
122
128
177.3
-
2
2
105
190
36
300
315
NJ221ECP
3800
4300
4.1
134
164
125
2.1
2.1
2
117
122
137
177.3
-
2
-
105
190
36
300
315
NUP221ECP
3800
4300
4.2
134
164
125
2.1
2.1
-
117
-
137
177.3
-
2
-
105
190
36
300
315
N221ECP
3800
4300
3.95
134
-
173
2.1
2.1
2
117
170
176
178
-
2
2
105
225
49
500
500
NU321ECP
3200
3800
8.8
-
189
133
3
3
3.4
119
129
136
209.4
-
2.5
2.5
105
225
49
500
500
NJ321ECP
3200
3800
8.95
145
189
133
3
3
3.4
119
129
148
209.4
-
2.5
-
105
225
49
500
500
N321ECP
3200
3800
8.65
145
-
201
3
3
3.4
119
198
205
210
-
2.5
2.5
105
260
60
501
570
NU421M
2800
3400
19
-
206.3
144.5
4
4
4.9
124
140
147
241
-
3
3
105
260
60
501
570
NJ421M
2800
3400
19
159
206.3
144.5
4
4
4.9
124
140
147
241
-
3
3
105
260
60/76.14
501
570
465093F3/W33(NJ/CJ-HJ)
2200
2800
21.5
159
207
144.5
4
4
-
121
-
-
244
-
3
3
110
170
28
128
166
NU1022ML
4500
7000
2.3
-
149.7
125
2
1.1
3.8
116
122
128
160
-
2
1
110
170
28
128
166
N1022AKTN9/SP
4500
7000
2.05
132
-
155
2
1.1
4
116
152
-
160
-
1
2
110
170
28
128
166
NJ1022ECJ
4500
7000
2.3
131
149.7
125
2
1.1
0.5
116
122
134
160
-
2
1
110
170
36
220
325
NU2022ECMA
3200
3800
2.9
-
153
125
1.1
2
1.9
116.5
122
128
161
-
2
1
110
180
56
319
475
315779(N/C2)
2600
3200
5.7
135
-
166
1
2
3.8
116
163
-
170
-
1
2
110
200
38
335
365
NU222ECP
3600
4000
4.8
-
172.5
132.5
2.1
2.1
2.1
122
129
135
187
-
2
2
110
200
38/53
335
365
NUB222ECJ
3600
4000
5.2
-
172.5
132.5
2.1
2.1
6.8
122
129
135
187
-
2
2
110
200
38
335
365
NJ222ECP
3600
4000
6.7
141
172.5
132.5
2.1
2.1
3.7
122
129
144
187
-
2
-
110
200
38
335
365
NUP222ECP
3600
4000
5
141
172.5
132.5
2.1
2.1
-
122
-
144
187
-
2
-
110
200
38
335
365
NF222ECM
3600
4000
4.95
141
172.5
180.5
2.1
2.1
2.1
122
-
-
187
-
2
2
110
200
38
335
365
N222ECP
3600
4000
4.8
141
-
180.5
2.1
2.1
2.1
122
177
184
188
-
2
2
Total
30
items Total
2
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