51208 Bearing 406819

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51208

Bore Diameter:40 mm

Outside Diameter:68 mm

Width:19 mm

Weight:0.21ZrO2) 0.11(Si3N4) 0.0485(Plastic） kg

The 51208 bearing is a Thrust ball bearing with an inner diameter of 40 mm , an outer diameter of 68 mm, a width of 19 mm. It typically uses P0-P6 grade precision tolerances and No type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

40 mm

Outside Diameter:

68 mm

Thickness:

19 mm

Weight:

0.21ZrO2) 0.11(Si3N4) 0.0485(Plastic） KG

Specifications:

Structure:

Thrust ball bearing

Brand:

KMK

Precision Rating:

P0-P6

Bearing Material:

stainless steel ,plastic , ceramic , chrome steel

Seals Type:

Transaction Information:

Payment term:

30% T/T in advance , 70% T/T upon the B/L Copy

Delivery time:

30 days

Detailed description

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

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How can you buy 51208 Bearing 40*68*19 on the Internet?
High quality 51208 ( 0.21ZrO2) 0.11(Si3N4) 0.0485(Plastic） kg Mass, ID: 40 mm OD: 68 mm WD: 19 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. 51208. 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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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

51208 Bearing 406819

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