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51202bearing 15*32*12

51202bearing 15*32*12

Min. Order:
1 Piece
Payment term:
30% T/T in advance , 70% T/T upon the B/L Copy
Delivery time:
30 days
Technical Parameters:
Product Designations:
51202
Structure:
Thrust ball bearing
Inside Diameter:
15 mm
Outside Diameter:
32 mm
Thickness:
12 mm
Weight:
0.024 ZrO2) 0.013(Si3N4) 0.0056(Plastic) KG
Brand:
KMK
Precision Rating:
P0-P6
Bearing Material:
stainless steel ,plastic , ceramic , chrome steel
Seals Type:
No
51202bearing 15*32*12

 

Ceramic bearings( including full ceramic bearings and Hybrid ceramic bearings), are usually made in Si3N4, ZrO2, Al2O3, SiC ceramic powder, sometimes hybrid with stainless steel races and glass balls

 

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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High quality 51202 ( 0.024 ZrO2) 0.013(Si3N4) 0.0056(Plastic) kg Mass, ID: 15 mm OD: 32 mm WD: 12 mm , P0-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. 51202. 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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