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4.7625mm Ceramic Balls (zirconia, Black)
Min. Order:
1 Piece
Payment term:
TT/Western Union
Delivery time:
30days after payment
Technical Parameters:
Product Designations:
4.7625mm
Structure:
bearing accessories
Inside Diameter:
4.7625 mm
Outside Diameter:
4.7625 mm
Thickness:
4.7625 mm
Weight:
TBD KG
Brand:
HRT
Precision Rating:
G3/G5/G10
Bearing Material:
zirconia
Seals Type:
non heat treatment
ceramic balls (zirconia, black)
Material: zirconia
Size: 4.7625mm
Grade: G3/G5/G10
Applications: ceramic aerospace bearings, agitator balls, ceramic automotive bearings, conveyors balls, spring loaded balls
Zirconia balls feature resistance to abrasion and corrosion and are chemically inert to molten metals, organic solvents, caustics, and most acids. In addition, zirconia balls maintain high strength at temperatures up to 982ºC (1800 ºF).
Ceramic Balls Information
Ceramic balls are spherical, rolling elements that provide higher stiffness, lower thermal expansion, lighter weight, increased corrosion resistance, and higher electrical resistance than steel balls. They are made from a variety of ceramic materials.
How Ceramic Balls are MadeCeramic balls are manufactured by pressing a ceramic powder binder mixture in a preform shape. After the ball is sintered, the part lines are removed via finish-grinding. Lapping and precision finishing is then used to design or grade dimensions and product specifications such as diameter, sphericity, and surface finish. For applications that require a fully-dense material with specific material properties, hot isostatic pressing (HIP) may be used after sintering. HIP produces ceramic balls with a pore-free microstructure and micron-sized grains.
Applications for Ceramic Balls
The GlobalSpec SpecSearch database contains information about applications for ceramic balls, many of which are used as bearings. The following list provides some examples.
· Ceramic aerospace bearings are used in airframes as well as gyroscopes (gyros), navigation systems, flow meters, avionic instruments, and other aerospace parts.
· Agitator balls have suitable corrosion and density (weight) for agitation or mixing applications, such as the balls used in aerosol paint cans.
· Ceramic automotive bearings are used with seating tracks and seat slides, safety restraints and seatbelt locking mechanisms, airbags, constant velocity (CV) joints, double offset joints, tripod joints, cross groove joints, spindle bearings, and many other systems.
· Conveyors balls are used in conveyors, ball transfer units, roller table, casters, roller or lazy Susan applications.
· Spring loaded balls are used in quick disconnect couplings or snap on fasteners and fastening systems. Socket wrenches often use this type of fastening mechanism to hold onto the socket.
Ceramic balls are also used in float or level sensing, flow metering, gaging or alignment, valves, sprayers and pumps, and pollution or vapor control systems.
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