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- Part_Number HOLE JEWELS
- Category Jewel bearing
- Brand & Model YOSO HOLE JEWELS bearing
- lead tim Within 3 days
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 | Φ0.50 ~ Φ200.00 | 0.10 ~ 200.00 | Φ0.05 ~ Φ180.00 | >2H | >0.45 |
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 CZ/KY sapphire， ruby， single crystal α-Al2O3, natural agate, spinel, ceramic, etc.
■Order
Please feel free to contact us if you have any requirements of other ultrahard materials or specification.
