693ceramic Bearing 3x8x3

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Min. Order:

1 Piece

Payment term:

T/T Payment in advance

Delivery time:

according to quantity

Technical Parameters:

Product Designations:

693 open

Structure:

ball bearing

Inside Diameter:

3 mm

Outside Diameter:

8 mm

Thickness:

3 mm

Weight:

0.0005 ( Zro2) 0.00025( Si3N4) 0.0001 (plastic) KG

Brand:

KMK

Precision Rating:

po-p6

Bearing Material:

stainless steel ,plastic , ceramic , chrome steel

Seals Type:

open

693 ceramic bearing have excellence performance as special electrical and magnetism resistance , could be used in awful environment andspecially condition.

Comparison of bearing material technical data:
Comparison of bearing material technical data:
Performance	Unit	GCr15	9Cr18	Si3N4	ZrO2
Density	g/cm3	7.8	7.9	3.2	6
Thermal expansion α	10-6/℃	11	17	3.2	10.5
Elastic modulus E	GPa	208	200	320	210
Poisson's ratioμ		0.3	0.3	0.26	0.3
HardnessHV		800	700	1700	1300
Flexural strength δ	Mpa	2400	2600	900	1000
Compressive strength δ	MPa			2000	3500
Toughness Kc	Nm/cm2	20	25	7	11
Thermal conductivity λ	W/mk	30-40	15	3.5	2.5
Electric resistance Ω	mm2/m	1	0.75	1018	1015
Specific heat	J/KgK	450	450	800	400
Temperature	.℃	120	150	1000	800
Corrosion-resistant		No	Weak	Strong	Strong
Stress cycles (50% failure probability)		10*106	10*106	50*106	50*106
Contact fatigue failure modes		Flake	Flake	Flake	Flake/Break
Magnetic		Exist	Exist	Not Exist	Not Exist
Dimensional stability		Poor	Poor	Good	Good
Insulating		Not insulated	Not insulated	Good	Good

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How can you buy 693ceramic Bearing 3x8x3 on the Internet?
High quality 693 open ( 0.0005 ( Zro2) 0.00025( Si3N4) 0.0001 (plastic) kg Mass, ID: 3 mm OD: 8 mm WD: 3 mm , po-p6 Accuracy Class , stainless steel ,plastic , ceramic , chrome steel Material ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. 693 open. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.

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693ceramic Bearing 3x8x3

693ceramic Bearing 3x8x3

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