7918 Full Ceramic Zirconia/Silicon Nitride Ball Bearing
The 7918 bearing is a ceramic angualr contact ball bearings with an inner diameter of 90 mm , an outer diameter of 125 mm, a width of 18 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 7918
Description: ID:90M * OD:125MM * TH: 18MM
N.W.: ZrO2 0.45kg / Si3N4 0.24kg
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
7017CE
85
130
22
1.1
0.6
92
123
1
0.71
0.38
7217CE
150
28
2
1
95
140
2
1.35
0.73
7918CE
90
125
18
1.1
0.6
97
118
1
0.45
0.24
7018CE
140
24
1.5
1
99
131
1.5
0.92
0.5
7919CE
95
130
18
1.1
0.6
102
123
1
0.46
0.25
7019CE
145
24
1.5
1
104
136
1.5
0.95
0.51
7920CE
100
140
20
1.1
0.6
107
133
1
0.64
0.35
7020CE
150
24
1.5
1
109
141
1.5
0.99
0.54
7921CE
105
145
20
1.1
0.6
112
138
1
0.66
0.36
7922CE
110
150
20
1.1
0.6
117
143
1
0.69
0.37
……
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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