Gold Member Since 2010
Audited Supplier
Nanjing Co-Energy Optical Crystal Co., Ltd.

Rod Lens, Ball Lens, Bk7 Ball manufacturer / supplier in China, offering Sapphire Ball, Short Wave Cutoff Filters, Beam Splitter and so on.

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Sapphire Ball

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 20, 000 PCS/Month
Transport Package: Individual Package
Payment Terms: T/T, Paypal, Western Union

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Basic Info
  • Model NO.: Custom-made
  • Shape: Custom-Made
  • Trademark: COE
  • Origin: Jiangsu, China
  • Type: Sapphire Ball
  • Material: Optical Glass
  • Specification: Custom-Made
  • HS Code: 9002909090
Product Description
For good mechanical properties and hardness( Mohs 9), sapphire and ruby are often used for the bearing of many meters, clocks, parts of abrasion-resistance. V-shape and U-shape bearing are widely used in flowmeters, ammeters, water meters.

Outside Diameter: 0.80~10.00mm, max deviation of outside diameter: H7~h9
Height H: 0.60 ~ 5.00mm, max deviation of height: ± 0.01
Cup depth h: 0.20 ~ 0.80mm, max deviation of cup depth: 0 ~ 0.06
Curvature radius SR: 0.60 ~ 5.00mm, max deviation of curvature radius: ± 0.03
Taper: 60° ~ 120° Max deviation of taper: ± 5°

Technical Index
Material: Synthetic sapphire/ruby single crystal a-Al2O3, natural agate, crystallite glass and ceramic, etc.
Attribute Specification
Diameter (Φ mm) 1.0~250.00
Thickness (mm) ≥ 0.1
Diameter Tolerance (mm) ± 0.05
Thickness Tolerance (mm) ± 0.02
Clear Aperture > 95%
Parallelism 10 sec.
Surface Quality 80/50~10/5
Flatness (per 25mm@633nm) 1λ ~λ /4@any 25.4mm area
Bevel (face width x 45° ) < 0.25mm
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Mr. Jerry Chan
Sales Manager
To: Mr. Jerry Chan

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