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683 ceramic bearing 3x7x2

683 Ceramic Bearing 3x7x2

Min. Order:
1 Piece
Payment term:
T/T Payment in advance
Delivery time:
according to quantity
Technical Parameters:
Product Designations:
683
Structure:
ball bearing
Inside Diameter:
3 mm
Outside Diameter:
7 mm
Thickness:
2 mm
Weight:
0.00024 ( Zro3) 0.00013 ( sI3N4) 0.0005 (plastic KG
Brand:
KMK
Precision Rating:
po-p6
Bearing Material:
stainless steel ,plastic , ceramic , chrome steel
Seals Type:
open
683 Ceramic Bearing 3x7x2

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

Properties comparision of ceramic material:

 
 

Performance

Unit

Boron carbide

Aluminum oxide

Toughened Aluminum oxide

Zirconium oxide

Silicon nitride

Silicon carbide

 

Symbol

B4C

99Al2O3

ZTA-20%

ZrO2

Si3N4

SiC

 

Density

g/cm3

2.4~2.51

3.7~3.99

5.5

6

3.2

3.2

 

Hardness HV

Kg/mm

2700~3200

2300~2700

1470~1500

1300~1500

1700 ~2700

2350~2450

 

Flexural strength

MPa

350~400

300~400

700

1000~1500

900

450~800

 

Compressive strength

MPa

1800~2500

2800~3500

2000

2000

3500

2250~3000

 

Fracture toughness

Mpa·m-3/2

6

2~4

5~6

11

7

4~5

 

Weibull modulus

GPa

7

10

15

15

6

 

Modulus of elasticity

GPa

407

260

210

320

410

 

Poisson's ratio

0.2

0.23

0.3

0.26

0.16

 

Thermal expansion coefficient

×10-6/

4.5

6.5~8.6

9.4

10.5

3.2

4.3

 

Thermal shock resistance

ΔT

200

470

250

500

350

 

Electric resistance

Ω/cm2

0.3 ~ 0.8

1014~1016

1010

1010

1014

100 ~2

 

 


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High quality 683 ( 0.00024 ( Zro3) 0.00013 ( sI3N4) 0.0005 (plastic kg Mass, ID: 3 mm OD: 7 mm WD: 2 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. 683. 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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