7309 Full Ceramic Zirconia/Silicon Nitride Ball Bearing
The 7309 bearing is a ceramic angualr contact ball bearings with an inner diameter of 45 mm , an outer diameter of 100 mm, a width of 25 mm. It typically uses P0,P6,P5,P4 grade precision tolerances and open or with seals type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
ceramic bearings ZrO2/Si3N4 7309
Description: ID:45M * OD:100MM * TH: 25MM
N.W.: ZrO2 0.64kg / Si3N4 0.345kg
Material : Si3N4 / ZrO2
What we offer :
1) Si3N4 / ZrO2 deep groove ball bearings open style ceramic bearings with PTFE / PEEK cage or the full complement deep groove ball bearings , which can reach highest 1100°
2) angular contact ceramic bearings , self-aligning ceramic bearings , single direction trust ceramic bearings ,full ceramic insert bearings with ZrO2 or Si3N4 material .
3) Hybrid ceramic bearings ,(Stainless steel or chrome steel + ceramic balls)
4) balls (stainless steel , ceramic balls , plastic bearings , steel)
Specification:
Angular contact ceramic ball bearings
Boundary dimensions(mm)
Mounting dimensions(mm)
Mass
Bearing No.
da
Da
ra
(kg) (refer)
d
D
B
r (min)
r1 (min)
min
max
max
ZrO2
Si3N4
7909CE
45
68
12
0.6
0.3
50
63
0.6
0.097
0.053
7009CE
75
16
1
0.6
51
69
1
0.19
0.1
7209CE
85
19
1.1
0.6
52
78
1
0.32
0.175
7309CE
100
25
1.5
1
54
91
1.5
0.64
0.345
7910CE
50
72
12
0.6
0.3
55
67
0.6
0.1
0.06
7010CE
80
16
1
0.6
56
74
1
0.2
0.11
7210CE
90
20
1.1
0.6
57
83
1
0.35
0.19
7310CE
110
27
2
1
60
100
2
0.82
0.44
7911CE
55
80
13
1
0.6
61
74
1
0.15
0.08
7011CE
90
18
1.1
0.6
62
83
1
0.29
0.16
7211CE
100
21
1.5
1
64
91
1.5
0.48
0.26
7311CE
120
29
2
1
65
110
2
1.05
0.57
7912CE
60
85
13
1
0.6
66
79
1
0.15
0.08
7012CE
95
18
1.1
0.6
67
88
1
0.32
0.17
7212CE
110
22
1.5
1
69
101
1.5
0.6
0.33
7312CE
130
31
2.1
1.1
72
118
2
1.32
0.72
……
Hope what we offer is just what you want ,and feel free to contact me for any inquiry , thank you in advance !
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