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- Contact Person : Mr. bao Shi
- Company Name : Chongqing Sky Walker Import & Export Trading Co., Ltd.
- Tel : 0086-23-86878229
- Fax : 0086-23-67868258
- Address : Chongqing,Chongqing,4/F, No.65 Jianxin Bei Road, Jiangbei, Chongqing,China.
- Country/Region : China
- Zip : 400020
sapphire hole jewels
Related Product Searches:sapphire hole jewels,High Quality,hole bearing, olive bearing
Hole Jewel contains a series of components that are chiefly applied as supporting bearings to the rotational systems of various accurate chronographs, auto-memorizing apparatus, precise instruments (micrometer, dial indicator) and other apparatus.
Main types: Plane straight/olive holed bearing, single-cup plane straight/olive holed bearing, double-cups plane straight/olive holed bearing, raised olive holed bearing, and single-cup raised olive holed bearing, etc.
Main Types
Specification and Technical Index
Item | Outside Diameter |
Height | Inner diameter | Radian of Inner hole |
Cup/ Raised curvature radius |
Size range | Φ0.80 ~ Φ30.00 | 0.10 ~ 115.00 | Φ0.05 ~ Φ20.00 | >2H | >0.45 |
Utmost limit tolerance | 0.004 ~ 0.05 | +/-0.01 | 0.004 ~ 0.06 |
| >+/-0.03 |
Surface roughness: the surface for application: Rz0.05~ Rz0.2 Assemble and sink surfaces: Rz3.2 | |||||
Material
Synthetic sapphire/ruby single crystal α-Al2O3, natural agate, spinel, ceramic, etc.
sapphire hole jewels
