PBT Housing Plastic Pillow Block Bearing With POM , HDPE , PP , UPE , PTFE ,

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Buy cheap PBT Housing Plastic Pillow Block Bearing With POM , HDPE , PP , UPE , PTFE , PEEK from wholesalers

PBT Housing Plastic Pillow Block Bearing With POM , HDPE , PP , UPE , PTFE , PEEK

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Brand Name:TOB Plastic Bearing

Certification:ISO 16949

Price:negotiated

Payment Terms:T/T

Supply Ability:negotiated

Delivery Time:negotiated

Company Data

ZHEJIANG TOP BEARINGS CO., LTD.

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Contact Person Leo Wu

Business Type: Manufacturer Distributor/Wholesaler Exporter Trading Company Seller

Officials: Room 1008, TongLe Business Mansion, JiaXing 314033, ZheJiang, China

Quality: Quality Certifitation Available

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Product Details Company Profile

Product Details

PBT Housing Plastic Pillow Block Bearing With POM , HDPE , PP , UPE , PTFE , PEEK

Plastic Bearing Block

Such is the most ideal solution of many difficult problem which have puzzled the industry field for hundreds years.
The plastic ball bearing units specially have the performance of corrosion and wear resistance, reduce vibration and anti-bump, are free from the maintenance and so forth.
Aim at working in different environment, the ball bearing for units made with POM, HDPE, PP, UPE, PTFE or PEEK material, housing of the bearing units generally made with PBT material.

Basic properties of staple engineer plastic
Material	HDPE	PP	POM	PA66	PVDF	PPS	PTFE	PEEK
Long-time working temp.	90	100	110	100	150	230	260	280
Density	g/cm3	0.91	1.42	1.14	1.77	1.35	2.18	1.32
Ball indentation hardness	50	80	170	170	80	190	30
Tensile stress	25	30	70	80	50	75	25	95
Sliding friction coefficient	0.29	0.3	0.34	0.35-0.42	0.3		0.08-0.1	0.3-0.38
Melted temperature	130	165	175	260	172	280	327	343
Short-time highest application temperature	90	140	150	170	150	260	260	300
Coet of Inear expansion (10^-5/K)	13-15	17	10	8	13	5	12	5
Dielectric constant at 1 Mhz(10^6HZ)	2.4	2.25	3.7	3.6-5	8		2.1	3.2-3.3
Volume resisrivity (Ω·cm)	>10^15	>10^24	>10^14	10^13	10^12	>10^13	10^14	10^13
flammability UL94	+	+	-	(+)	(+)	-	+	+
Anti-weathering	-	-	-	-	-	-	+	-
Note: + =resistant; (+) =partly resistant; - =non-resistant

Chemical properties of Engineer plastic
Chemical Composition	Material
Chemical Composition	PI	PEEK	PTFE	PVDF	PA66	POM	PP	HDPE	ABS
Acrtate	+	+	+	(+)	(+)	+	+	(+)	+
Formic acid (10% water)	+	+	+	+	-	-	+	+	+
Ammonia (10% water)	-	+	+	+	+	(+)	+	+	+
Aether	+		+	+	+	+	+	+
Petrol	+	+	+	+	+	+	(+)	(+)	(+)
Bori acid (10% water)		+	+	(+)	+	+	+	+	+
Aminoform	+	+	+		-	-	(+)	-	-
Aeti aid 100%	(+)	-	+		-	-	+	+	-
Aceti aid (10% water)	+	+	+		-	(+)	+	+	+
HF			+		-	-	+	+	(+)
Formaldehyde aqu (30% water)		+	+	+	+	-	+	+	+
Glycerin	+		+		+	+	+	+	+
Iodine, Glycol	+		+	(+)	-	(+)	+	+	(+)
K2Cr2O7 (10% water)			+	+	+	-	+	+	+
KMnO4 (1% water)	+	+	+	+	-	(+)	+	+	(+)
2-Hydronyprpionic 10%	+		+	+	-	-	+	+	-
2-Hydronyprpionic 90%	+	+	+	+	+	(+)	+	+	+
Nad (10% water)	+	+	+	+	+	+	+	+	+
NaNO3 (10% water)	+		+	+	+	+	+	+	+
NaOH (50% water)		+	+	+	+	-	+	+	+
NaOH (5% water)			+	+	+	-	+	+
Oxalic (10% water)	+	+	+	+	(+)	(+)	+	+	+
Tetracarp	+		+	+	(+)	+	-	-	(+)
H3PO3 100%		+	+		-			+	+
H3PO4 (10% water)		+	+	+	-	-	+		+
NHO3 (2% water)	+	+	+	+	-	-	+	+	+
HCL (2% water)	+	+	+	(+)	-	-	+	+	+
H2SO4 98%		-	+		-	-	+	(+)	-
Soap liquid			+	+	+	+	+	+
Alkaliliquid (10% water)			+	+	+	+	+	+	+
Toluene	+	+	+	+	+	+	+	(+)	-
Water, cold	+	+	+	+	+	+	+	+	+
Water, hot		+	+	+	(+)	-	+	+	+
H2O2 (30% water)		(+)	+	+	-	-	+	+	+
H2O2 (0.5% water)	+		+	+	-	(+)	+	+	+
Asphalt	+		+		(+)	+	(+)	(+)
Note: + =resistant; (+) =partly resistant; - =non-resistant

Comparison of bearing material technical data
Technical data	unit	GCr15	9Cr18	Si3N4	AL203	ZrO2
Density	g/cm³	7.8	7.9	3.2	3.95	6
a Coefficient of expansion	10^-6/℃	11	17	3.2	9.1	10.5
E modulus of elasticity	Gpa	208	200	320	380	210
μ Poisson ratio		0.3	0.3	0.26	0.27	0.3
HV Hardness		800	700	1700	1800	1300
δ Flexural strength	Mpa	2400	2600	900	220	1000
δ Compressive Strength	MPa			2000	1500	3500
Kc Impact strength	Nm/cm²	20	25	7	3.5	11
λ Thermal conductivity	W/mk	30-40	15	3.5	25	2.5
Ω Specific resistivity	mm²/m	1	0.75	10^18	10^8	10^5
Specific heat	J/KgK	450	450	800	880	400
Application temperature	℃	120	150	1000	1850	800
Anti-corrossion		No	poor	Good	Good	Good
Cycle stress		10*10^6	10*10^6	50*10^6	30*10^6	50*10^6
Destroy model		peel	peel	peel	fracture	peel/fracture
Anti-magnetism		Yes	Yes	No	No	No
Dimension stability		bad	poor	Good	Good	Good
Insulate properties		No insulation	No insulation	Good	Good	Good

Company Profile

ZHEJIANG TOP BEARINGS CO., LTD.

ZHEJIANG TOP BEARINGS CO., LTD. is a manufacturer and distribution of sliding bearings. Our products have been widely applied to more than 30 industries like automobile, engineering machinery, metallurgy, water conservancy and hydroelectric power and mechanical manufacturing. Also we can design for customer's specific requirement.

We have reformed boldly, absorbed social elites through strengthening talent training, fully implemented modern management mechanism and new marketing strategy and been dedicated to long-term development of self-lubricating bearing industry. To control quality strictly, we set up a complete quality management system (ISO9001 and ISO/TS16949) in the quality policy of “Top Quality, Top Credit, Sustainable Growth”. Our quality and performance have reached advanced level.

To expand more markets, stand on the word and meet diversified requirements of customers, we are actively expanding and integrating with international markets. Now our products are available in more than 20 countries and regions in Western Europe, America and Southeast Asia. We’ll strengthen industrial horizontal integration further, create scale effect, open up emerging fields and develop industrial advantages to realize our strategic target and create a bright future with friends.

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