638 Ceramic Bearings
The 638 full ceramic bearings is a miniature ceramic deep groove ball bearing with full complement that is widely applied in cryogenic engineering, Medical equipment, high-speed machine tools, optical instruments, high-speed motors, printing machinery, food processing machinery, and more. also, 638 ceramic hybrid bearings have expanded the application of ceramic bearings. Silicon nitride is a type of ceramic ball bearings or ceramics materials. type 638z ceramic bearing is single shielded open type bearings, and 638zz ceramic bearing is Double Shielded on both sides. standard 638 8 mm ceramic Ball Bearing Inner Dimension is 8mm X Outer Dimension 28mm X Width 9mm, for more custom 638 ceramic bearings and seal options please contact Bushing MFG today!
| Products Feature | |
|---|---|
|
Bearing Model |
638, 638z, 638zz, 638 2rs, 638CE |
|
Material |
Full ceramic / Hybrid bearing |
|
Size |
8x28x9 Ceramic Bearings |
|
Seals |
Open / Single Shielded / Double Shielded / Rubber Sealed |
|
Customizable |
Material For Bearing Ceramic 638
| Bearing Types | Balls / Rings | Cage |
|---|---|---|
|
638 full ceramic bearing |
ZrO2 |
ZrO2 |
|
638 ceramic hybrid bearing |
Si3N4 |
PEEK |
|
|
SiC |
PTFE |
|
|
AI2O3 |
PA66/UPE/PP |
638 Ceramic Shield Types
638 ceramic bearings
638z ceramic bearing
638zz ceramic bearing
638 2rs ceramic bearing
638 ceramic bearings 8X28X9mm Specifications & Dimensions
| Technical Specifications | |
|---|---|
|
Model |
638 |
|
Bearing Type |
Miniature Ball Bearing |
|
Precision |
P0 |
|
ID |
8 MM |
|
OD |
28 MM |
|
Width B |
9 MM |
|
Load Direction |
Radial |
|
Raceway Ring Rows |
Single Track |
|
Size Standards |
Metric Series |
If you are looking to buy 638 ceramic bearings or other ceramic products please contact our sales assistant today for the PDF catalog, special custom order is available.
