QQ在线咨询:
点击这里给我发消息

Current position: Home page > Works show > Detailed information

[Plane Olive Holed Jewel 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 of hole jewel: Plane straight/olive holed bearing, single-cup plane straight/olive holed bearing, double-cups plane straight/olive holed bearing, convex olive holed bearing, and single-cup convex olive holed bearing, etc.



















 

Specification:

Outside Diameter: Φ0.80 ~ Φ8.00mm, Max Deviation of Outside Diameter: h7 ~ h9

Height: 0.125 ~ 20.00mm, Max Deviation of Height: ±0.01mm

Inside Diameter: Φ0.08 ~ Φ5.00, Max Deviation of Inside Diameter: 0.004 ~ 0.02

Radius SR of Inside Diameter: (2 ~ 3)H

Curvature Radius SR1 of Cup: < Outside Diameter, Max Deviation of Curvature Radius of Cup: +/-0.03

Curvature Radius SR2 of Convex: >Outside Diameter, Max Deviation of Curvature Radius SR2 of Convex: +/-0.05        

Surface Roughness: application surfaces RZ0.1, Rz0.2, assembled surfaces: Rz3.2

Technical Index:

Material: Synthetic Sapphire/Ruby, Crude Agate, Spinelle, and ceramic, etc.

Order:

Customized. Produce according to specific requirements and drawings, and also can design products for customers.

Home page    |    About us    |    Product display    |    Service support    |    News Express    |    Company advantages    |    Message board    |    Online customer service    |    Contact us