Year Established:2013
Business Type:
Management Certifiation:
bearing steel Chemical ingredients:
Gcr15
AISI 52100
0.95-1.05
1.30-1.65
0.15-0.35
0.2-0.4
less than0.027
less than
Dimensions mm
Basic Load Ratings
Designation
Weight
Speed limited(r/min)
d
D
B
Cr
Cor
Kg
Grease
Oil
45
85
19
46
47
N209
0.432
8400
9900
50
90
120
50.5
54.5
N210
0.47
7600
9000
55
100
25
97
114
N2211E
0.968
5600
6600
110
27
87
86
N310
1.14
6500
7700
29
111
N311
1.45
5900
7000
65
140
33
135
139
N313
2.23
5100
6000
21
61
66.5
NF211
0.638
6900
8200
160
30
152
178
NF218
2.3
4300
5000
NU2211E
35
80
49.5
NF307
0.461
11000
40
23
58.5
57
NF308
0.658
8000
9400
79
77.5
NF309
0.877
7200
NF310
NF311
60
130
31
124
126
NF312
1.8
5500
Meterial:bearing steel GCR15 Brand:NTN,NSK Application:crankshaft,swing,travel motor Bearing type:Cylindrical roller bearing