51104 3bearing 203510

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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:

51104

Structure:

Thrust ball bearing

Inside Diameter:

20 mm

Outside Diameter:

35 mm

Thickness:

10 mm

Weight:

0.028 ZrO2) 0.015(Si3N4) 0.0066(Plastic） KG

Brand:

KMK

Precision Rating:

P0-P6

Bearing Material:

stainless steel ,plastic , ceramic , chrome steel

Seals Type:

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 51104 ( 0.028 ZrO2) 0.015(Si3N4) 0.0066(Plastic） kg Mass, ID: 20 mm OD: 35 mm WD: 10 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. 51104. 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.

51104 3bearing 203510

51104 3bearing 203510

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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