Ceramic sleeves / aluminium oxide 92 (CERAB16-15)

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MISUMI

Product Details:

Manufacturer part number: CERAB16-15

Brand: MISUMI

Price: 24.49 €

Delivery time: 5 Days

Technical Data:

Shape: Shouldered

Outer Diameter: 20 mm

Internal Diameter: 16 mm

Thickness and length: 15

Material Detail: Alumina 92

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CERAB16-15

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More Information
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Technical Information

Back to the Category Plastic Washers/Plastic Sleeves

Technical Drawing - Plastic Washers

Ceramics Collars - Alumina 92:Related Image

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Basic Properties (e.g., material, hardness, coating, tolerance) - Plastic Washers

Type		Material
Washer	SCERAW	Ceramic	Alumina 96
	CERAW		Alumina 92
Collar with Flange	CERAB
Collar	CERAC
Sheet	SWSCE	Ceramic Fiber

Further specifications can be found under the tab More information.

Composition of a Product Code - Plastic Washers

Part Number

CERAW10

Part Number	-	L
CERAB6	-	10

Part Number	-	L
CERAC16	-	55

Part Number	-	V
SCERAW10	-	5

Part Number	-	V	-	T
SWSCE10	-	4	-	1

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Part Number
CERAB16-15

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Shape	Outer Diameter (mm)	Internal Diameter (mm)	Thickness and length	Material Detail
	24.49 €	1	Available	5 Days	10	Shouldered	20	16	15	Alumina 92

Back to the Category Plastic Washers/Plastic Sleeves

Technical Drawing - Plastic Washers

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Specification Tables - Plastic Washers

■Washer (Alumina 92)

Part Number		V	T	Unit Price
Type	D	V	T	Unit Price
CERAW	10	3	3
	12	4
	15	5
	20	6
	25	8
	30	10
	35	12	5
	40	16
	45	20

■Collar with Flange (Alumina 92)

Part Number		L					H	D	Unit Price
Type	V	Selection					H	D	Unit Price
CERAB	3	8	10	15			10	6
	4						12	8
	5						15	10
	6						20	10
	8		10	15	20		25	12
	10		10	15	20		30	14
	12			15	20	25	35	20
	16						40	20
	20						45	25

■Collar (Alumina 92)

Part Number		L	D	Unit Price
Type	V	1mm Increment	D	L5~29	L30~54	L55~79	L80~100
CERAC	3	5~50	6			-	-
	4		8
	5		10
	6		10
	8		12
	10		14
	12	5~100	20
	16		20
	20		25

■Washer (Alumina 96)

Part Number		V					T	Unit Price
Type	D	Selection					T	Unit Price
SCERAW	10	3	4	5			3
	12		4	5	6
	15			5	6	8
	20				6	8

■Sheet (Ceramic Fiber)

Part Number		V Selection					T	Unit Price
Type	D	V Selection					T	Unit Price
SWSCE	8	3	4				1
	10	4	5	6
	12	4	5	6	8
	15	5	6	8	10
	20	6	8	10	12
	25	8	10	12	15
	30	8	10	12	15	20

■Property Values of Alumina 92 / Alumina 96 / Ceramic Fiber (Reference: The data in the table are the values of materials.)

Properties Material Name		Alumina 92	Alumina 96	Ceramic Fiber
Dielectric Breakdown Parallel to Lamination	kV/mm	~10	10	-
Volume Resistance Force	Ω-cm	~10¹⁴	~10¹⁴	-
Bending Strength	kN/cm²	24~34	33	-
Compression Strength	kN/cm²	147~245	210	-
Tensile Strength	MPa	1000~1200	1500	0.6
Expansion Coefficient	1/°C	8x10^-6	7.6x10^-6	-
Thermal Conductivity	cal/cm • sec • °C	3.6~5.0x10^-2	5.0x10^-2	1.7x10^-4
Heat Resistance	°C	1000~1200	1500	1300
Water Absorption Ratio	%	0	0	-
Specific Gravity	-	3.7	3.8	0.25
Main Material	-	Al₂O₃(92%)	Al₂O₃(96%)	-

These materials are fragile. Please handle with care.

General Information - Plastic Washers

Selection details of plastic washers/plastic sleeves

- Material: MC-nylon, polyacetal (POM), Bakelit, epoxy glass, polyether ether ketone (PEEK), fluoroplastic, polyslider, ceramic, polycarbonate (PC), polyamide (PA), polytetrafluoroethylene (PTFE), Duracon, Duranex, ABS, glass (lime-sodium glass)

- Outer diameter: 2 to 100 mm

- Inner diameter: 1 to 90 mm

- Thickness, length: 0.1 to 500 mm

- Forms: cylindrical, with collar, with pins, with countersunk bore, with guide, square washers

Description/Basics of plastic washers/plastic sleeves

Sleeves in general, are among the most commonly used machine elements to create a distance between two components. Plastic sleeves and ceramic sleeves offer added value compared to conventional metal collars.

Plastic sleeves and plastic sleeves with a collar have some advantages over their metallic counterparts. In addition to creating and maintaining a distance, they also have an insulating effect. The insulation effect refers to thermal insulation or electrical insulation depending on the material. In addition, their similarity to natural materials is greater than with metal sleeves. As a result, plastic washers and plastic sleeves (depending on the material) expand to the same extent under the influence of heat, such as wood or similar soft materials.

Plastic washers, as well as washers, enable an increase in surface compression. However, their resistance to pressure loads is lower depending on the material selected than that of a similarly large metal washer. For this purpose, the advantage of thermal and electrical insulation effects exists in plastic washers.

MISUMI also offers plastic washers and plastic sleeves with gliding properties. For example, washers and sleeves made of fluoroplastics are suitable for reducing friction resistances in hinge constructions. It should be noted that plastic sleeves do not replace plain bearings.

Polyether ether ketone (PEEK) has excellent thermal insulating properties. Depending on the strength and material composition, PEEK has a melting point of up to 300°C. It is therefore suitable, among other things, for insulating heating and cooling lines, for example. Due to the quality of the surface, the material has particularly good adhesive properties.

Polyacetal, also called POM, is characterized by its very good machinability and excellent mechanical properties. Polyacetal (POM) products are widely used in various branches of mechanical engineering.

At MISUMI you will find washers and sleeves made of various variants of MC Nylon. In addition to the standard version, a conductive and antistatic type is also offered. Thus, MC Nylon can be used in a wide variety of applications.

The different versions and shapes of the plastic washers and plastic sleeves allow utilising them in a wide variety of applications. Thus, plastic washers can be used, for example, as bearing mountings up to the assembly of printed circuit boards.

Application Examples

Plastic sleeve as thermally insulating spacer sleeve
(1) Plastic sleeves, (2) Cylindrical plastic sleeve, (3) Plastic washer, (4) Hexagon socket screws, (5) Washer, (6) Hexagon nut

Plastic sleeve as bearing ring
(1) Plastic sleeve with guide, (2) Rotary shaft, (3) Timing pulley, (4) Ball bearing (5) Bearing with housing, (6) Drive wheel

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Basic information

Material	Ceramics	Hole Type	Through Hole	Sale Type	Sold Separately

This page is Ceramic sleeves / aluminium oxide 92, part number CERAB16-15.
You can find the detail information about specifications and dimensions on part number CERAB16-15.

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Basic Attributes

Type
- CERAB
- CERAC
- CERAW
- SCERAW
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Shape
- Standard
- Shouldered
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Outer Diameter(mm)
6

8

10

12

14

15

20

25

30

35

40

45
Clear
Internal Diameter(mm)
3

4

5

6

8

10

12

16

20
Clear
Thickness and length
3

5

8

10

15

20

25
Clear
Material Detail
Alumina 92

Alumina 96
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Optional Attributes

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently Asked Questions (FAQ)

Question:
Do ceramic washers have the same strength as ceramic sleeves?: Answer:
Due to a radial lamination of the ceramic material, ceramic sleeves have a lower compressive strength than ceramic washers (vertically laminated). Detailed information and comparison values can be found here.
Question:
What is the thermal expansion of plastic sleeves and plastic washers?: Answer:
Plastic sleeves and plastic washers react sensitively to fluctuations in ambient temperature. The length of synthetic resin sleeves varies depending in a ratio of up to 1°C = 0.1 mm depending on the temperature . Details on the thermal expansion of other materials available at MISUMI can be found in this PDF.
Question:
Do you have washers made of a material that provide electric insulation?: Answer:
Most plastics have an electrically insulating effect. The level of insulation differs depending on the material. Polycarbonate has a very good electrically insulating effect. In addition to its good electrical insulating effect, it is also superior to most conventional plastics in terms of mechanical aspects.
Question:
Which material is suitable for both low and high temperatures?: Answer:
Polyether ether ketone (PEEK) and polytetrafluoroethylene (PTFE) have an operating temperature of approx. -50°C (PEEK), respectively -40°C (PTFE) and up to +250°C.

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Variation of this product

Part Number
CERAB12-15
CERAB12-20
CERAB12-25
CERAB16-20
CERAB16-25
CERAB20-15

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Shape	Outer Diameter (mm)	Internal Diameter (mm)	Thickness and length	Material Detail
22.41 €	1	Available	5 Days	10	Shouldered	20	12	15	Alumina 92
22.41 €	1	Available	5 Days	10	Shouldered	20	12	20	Alumina 92
22.41 €	1	Available	5 Days	10	Shouldered	20	12	25	Alumina 92
24.49 €	1	Available	5 Days	10	Shouldered	20	16	20	Alumina 92
24.49 €	1	Available	5 Days	10	Shouldered	20	16	25	Alumina 92
28.80 €	1	Available	5 Days	10	Shouldered	25	20	15	Alumina 92