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　↓ Products List：—— N300%20Series 


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
≈
N308
40
90
23
1.5
1.5
58.5
57
8,000
9,400
0.643
N309
45
100
25
1.5
1.5
74
71
7,200
8,400
0.857
N310
50
110
27
2
2
87
86
6,500
7,700
1.11
N311
55
120
29
2
2
111
111
5,900
7,000
1.42
N312
60
130
31
2.1
2.1
124
126
5,500
6,500
1.76
N313
65
140
33
2.1
2.1
135
139
5,100
6,000
2.18
N314
70
150
35
2.1
2.1
158
168
4,700
5,500
2.65
N315
75
160
37
2.1
2.1
190
205
4,400
5,200
3.21
N316
80
170
39
2.1
2.1
190
207
4,100
4,800
3.77
N317
85
180
41
3
3
212
228
3,900
4,600
4.44
N318
90
190
43
3
3
240
265
3,700
4,300
5.18
N319
95
200
45
3
3
259
285
3,400
4,000
5.99
N320
100
215
47
3
3
299
335
3,300
3,800
7.32
N321
105
225
49
3
3
320
360
3,100
3,700
8.33
N322
110
240
50
3
3
360
400
3,000
3,500
9.77
N324
120
260
55
3
3
450
510
2,700
3,200
12.5
N326
130
280
58
4
4
560
665
2,500
2,900
17
N328
140
300
62
4
4
615
745
2,300
2,700
20.7
N330
150
320
65
4
4
665
805
2,100
2,500
24.7
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