Plain Bearing Bushes / Wide Block Shape / Brass / Number of Bushes Selectable / Seal Selectable (MHCAW10)

Plain Bearing Bushes / Wide Block Shape / Brass / Number of Bushes Selectable / Seal Selectable MHCAW10

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Product Details:

Manufacturer part number: MHCAW10

Brand: MISUMI

Price: 53.01

Delivery time: 5 Days


Technical Data:

I.D. d: 10 mm

Overall Length L: 56 mm

Maximum Allowable PV Value: 1.65-3.25 N/mm²·m/s

Max. Allowable Velocity V: 0.5-1.0 m/s

Length Type: Double


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Part Number

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MHCAW10


● Single ● Double ● Details of dust steal type
  • [ ! ] Recommended mating shaft
    Single·····f8 or g6 (Except -DS)
    Double······f8
TypeSealSealsHousingBushingOperating Temperature (°C)
[M] Material[M] Material[S] Surface treatment[M] Material
SingleMHCASNo SealAluminum AlloyClear AnodizeHigh Tensile Brass Alloy-40 to 150
MHCAS−SWith Non-contact SealsFluororesin
MHCAS−DSWith Dust SealsNitrile Rubber-25 to 100
DoubleMHCAWNo Seal-40 to 150
MHCAW−SWith Non-contact SealsFluororesin
MHCAW−DSWith Dust SealsNitrile Rubber-25 to 100

Specification Table

Part Number
MHCAS20
Part NumberhWHDLL1SW1W2Mdd1th1AC
No Seal, With Non-contact SealsWith Dust SealsSingleDoubleSingleDouble
TypedrToleranceSingleDoubleSingleDouble

Single
MHCAS
(No Seal)
MHCAS−S
(With Non-contact Seals)
MHCAS−DS
(With Dust Seals)

Double
MHCAW
(No Seal)
MHCAW−S
(With Non-contact Seals)
MHCAW−DS
(With Dust Seals)

8+ 0.028
 0
9281813251519.8204M54.38124125
101030191532563863224624.849.62215
12+ 0.034
 0
113421173458406524482455
1614402722.242684575325829.859.6307206
20+ 0.041
 0
17463326487851866634.869.636M65.1997
25205439326211070120429249.899.6426M86.9111811308
302458473770128811415011059.8119.6461310
40+ 0.050
 0
29785750.5806069.8647164612
[ ! ] The bushing inside the housing cannot be replaced or removed.

 

General Information - Plain Bearing Bushings


Plain bearing bushing, maintenance-free, selection details

- Material: sintered bronze, copper alloy with solid lubricant (Graphite), cast iron with solid lubricant, POM (polyacetal), PTFE (polytetraflouroethylene), composite steel, aluminum with fluoroplastic multi-coating
- Designs: straight, with collar, with housing and flange, with housing and block shape
- Housing coatings: nickel-plated, chrome-plated
- ISO tolerances: E7, G6, H7, h7, m6, r6
- Inner diameter [d]: 3 mm to 100 mm
- Outer diameter [D]: 4.6 mm to 120 mm
- Length [L]: 3 mm to 188 mm
- Permissible speed (max): 0.15 to 3.33 m/s
 

Description/Basics

Maintenance-free plain bearing bushings are suitable for linear and rotary motion. Movement is ensured by gliding. Thus, no rolling components are necessary, as with a rolling bearing.
Plain bearings can be selected in various shapes, materials and sizes at MISUMI. Bearing bushings are also already available integrated into the housing to make assembly easy and convenient.
Maintenance-free plain bearings have the benefit of not requiring maintenance or only little maintenance due to their integrated lubrication properties. This means that an external lubrication system can be omitted, which would not only require extra installation space, but is often very costly.
In contrast to rolling bearings, gliding bearings can generally accommodate high load-bearing capacities due to the larger contact area and require reduced installation space. The service life of the plain bearing bushings must be calculated depending on the application, since various influencing variables, such as roughness, stroke or rotational speed, have an influence on the service life.

 

Plain bearing bushings

Application example: plain bearing bushing
 

Bearing types in comparison

 

Plain bearing bushings

Linear ball bearing

Bearings

Plain bearing bushing, solid lubricant

Linear ball bearing

Ball bearing

Plain bearing

Roller bearing

Roller bearing

Lubrication

without

required

required

linear tables

suitable

well suitable

not suitable

Rotational movement

suitable

not suitable

well suitable

High load-carrying capacity

well suitable

not suitable

suitable

Heat resistance

well suitable

not suitable

not suitable

Corrosion resistance

suitable

not suitable

not suitable

Wear resistance

Poor

well suitable

well suitable

Space requirement

low

high

high

Comparison Table - Plain bearing bushings, linear ball bushings, bearings

For more detailed information, please click on the More information tab


Function

The primary task of plain bearings is to guide and support shafts. The use of integrated lubricants significantly reduces friction and wear. The lubricants and materials of the plain bearing are always selected in such a way that the wear is specifically on the bearing bushing in order to protect the more expensive shaft from wear as much as possible.
The stored lubricants are released during operation. In most cases, it is released by heat and micro-abrasion. If the friction between the shaft and the plain bearing increases, the lubricant is released from the plain bearing and forms a protective lubricant film between the plain bearing and the shaft.


Sinter Bushings
A very common plain bearing is the plain bearing made of sintered metal. For this purpose, granules made of a copper alloy, such as brass or bronze, are heated and pressed into a sinter bushing. The pores of the sintered metal remain open through this process. The sintered bushing is then soaked in heated, liquid lubricant. During the cooling process of the lubricant, it solidifies and is stored in the pores of the sintered bushing.
Frictional heat conducts the lubricant embedded in the pores to the contact surface and forms a protective lubricant film between the gliding bearing bushing and the gliding partner.
Sinter bushings are often used in combustion engines because they have good emergency running properties. This property of the sintered metal plain bearings can also protect the shaft from damage in many other applications. If sintered slide bearings are consistently supplied with oil, these can also withstand very high speeds.

Sinter bushing

Example of a sinter bushing
 

Plain bearing with solid lubricant
In the case of the plain bearings with solid lubricant, the included graphite ensures the lubrication of the contact surface. Solid lubricant has good lubrication properties, especially at high pressures and higher temperatures. Micro-abrasion releases graphite particles from the bearing bushing lubrication pockets and directs them to the contact surface.
The positions of the solid lubricant bearings (1) allow for the most uniform lubrication possible and thus ensure a low friction value and reduced wear.

Plain bearing with solid lubricant

(1) Solid lubricant, (2) plain bearing bushing
 

MISUMI also offers plain bearing bushings with solid lubricant with an integrated thrust washer. The integrated thrust washer is a flange with solid lubricant. These collar bushings can also be used to protect a gear wheel or shaft shoulder from wear. At the same time, an additional thrust disc can be dispensed with, which reduces the variety of parts and simplifies assembly and maintenance. These advantages of the collar bushing allow for use as an axial sliding bearing.

Plain bearing bushings with solid lubricant and thrust washer

(1) Solid lubricant, (2) plain bearing bushing
 

Plain bearings made of plastic
Plain bearings made of plastic have a good chemical resistance. They are also well suited for locations in a corrosive environment. The applied plastics have principally good gliding properties, which can additionally be improved by additives. Contrary to the conventional flange bushing, plastic plain bearings can also be combined with aluminum shafts.
Plastic plain bearings are relatively cost-effective and light. Therefore, they are used in many areas, often in small devices such as printers or hinge elements.
At very high speeds, plastic bearing bushings can burn out or melt due to the resulting frictional heat. Therefore, it is particularly important to maintain the maximum speeds of rotation and ambient temperatures in plastic plain bearings. At higher speeds of rotation and bearing powers, a metallic plain bearing is usually used.
 

Plain bearings made of composite material
Plain bearings made of composite material consist of a metallic base carrier and a plastic layer applied on the inside. Due to the metallic outer ring, plain bearings made of composite material are generally more stable than plastic plain bearings. Nevertheless, they do not have to forego the advantages (chemical resistance, etc.) of the plastic.
Some plain bearings are provided with an additional composite layer made of sintered bronze. This is inserted between the metallic outer ring and the inner ring made of plastic, which ensures an additional emergency running property if the plastic is closed. Sliding bearing bushings with a PTFE composite layer can withstand temperatures up to 280°C and thus work in a high temperature range than conventional plastic plain bearings (approx. 80°C).
Plain bearings with a collar or without a collar made of composite material have a very thin-walled design and are therefore very space-saving.

Plain bearings made of composite material

(1) Plastic/composite layer, (2) metal base carrier
 

Plain bearings with housing
All previously mentioned plain bearings are already available from MISUMI mounted in housings (flange housings or block housings). This reduces the assembly time significantly.
In addition, the housing units have the additional advantage that they are available with a contact seal or contactless seal (1). The contact seal prevents small dust particles from getting onto the gliding surface of the plain bearing. The contactless seal design prevents large debris from entering while reducing the gliding resistance compared to the contact seal design.

Plain bearings with housing

(1) Seal, (2) retaining rings, (3) maintenance-free plain bearing, (4) housing
 

Areas of Application

Maintenance-free plain bearings are suitable for linear and rotary motion. They are used in many applications, from simple hinged mechanisms to precise linear guides. Due to their versatility, plain bearings are indispensable in various industries of mechanical engineering and plant engineering.
Due to their large contact surface, plain bearings can generally accommodate high loads. Compared to rolling bearings, plain bearings are also quieter, require less maintenance and are less susceptible to contamination.
Collar bushings with solid lubricants can also serve as axial plain bearings, since MISUMI offers flange bushings with integrated solid lubricants.
Bearing bushings require reduced installation space. Therefore, plain bearings are used in applications in which rolling bearings are not possible due to limited installation space.
A particularly space-saving and thin-walled plain bearing offered by MISUMI is type MPBZU.
 

Materials

MISUMI plain bearings are available in the following material compositions:
- Sintered bronze
- Copper alloy with solid lubricant (Graphite)
- Cast iron with solid lubricant
- POM (polyacetal)
- PTFE (polytetraflouroethylene)
- Steel with multi-coating
- Aluminum with fluoroplastic multi-coating

 

Dimensions

Maintenance-free plain bearings are available in many dimensions at MISUMI:
- ISO tolerances: E7, G6, H7, h7, m6, r6
- Inner diameter [d]: 3 mm to 100 mm
- Outer diameter [D]: 4.6 mm to 120 mm
- Length [L]: 3 mm to 188 mm

 

Shaft Tolerance
Shaft tolerance is used to create the clearance between the plain bearing bushing and the shaft. Which shaft tolerance is recommended for a plain bearing with a plain bearing bushing depends on the application and required precision. MISUMI offers plain bearings in the ISO tolerances E7, G6 and H7. For particularly precise applications, MISUMI also offers linear shafts in the ISO tolerances g6 and f8.

 

Surface Roughness
The surface roughness of the shaft has a major impact on the wear of the plain bearing bushing. In order to reduce wear, a uniformly ground shaft is recommended as a gliding partner. A good roughness of approx. 0.4 to 1.6 μm contributes to a good glide and low wear.
 

Instructions for Use / Installation Information - Plain Bearing Bushings


Instructions for use

Design

Properties

Shapes

Copper alloy
Plain bearing with solid lubricant

• High temperature resistance
• High corrosion resistance
• Excellent impact resistance
• Ideal for high loads and low speeds of rotation

• straight
• with collar
• Axial design (integrated thrust washer)
• Flange housing
• Block housing

Sintered bronze
Sinter bushing

• Resistant to friction welding
• Short movements are possible
• Ideal for low loads and high speeds of rotation

• straight
• with collar
• with flange

Cast steel
Cast iron plain bearing

• Ideal for medium loads and low speeds of rotation

• straight
• with collar
• with housing

Multi-coating
Composite layer plain bearing

• High temperature resistance
• Ideal for high loads and low speeds of rotation
• Thin-walled and compact

• straight
• with collar
• with housing

Plastic
Plastic plain bearing

• High temperature resistance (PTFE)
• Excellent chemical resistance (PTFE)
• Ideal for low loads and high speeds of rotation

• straight
• with collar

Comparison Table - Plain Bearing Sleeve Versions

For more information on material properties, environmental conditions, and mechanical properties, see this PDF.
 

Installation Information

Press-in
Maintenance-free plain bearing bearings (2) must be carefully pressed into a housing with a vice or press (press fit). To facilitate this process, the edge of the inner diameter of the housing is chamfered (1). It is recommended to apply a small amount of lubricant to the housing (3). If the housing fit is too tight, this can affect the inner diameter of the maintenance-free sliding bearing and lead to increased wear. You can find the suitable housing tolerance for the respective plain bearing under the tab More Information.

Plain bearings with housing

(1) Phase, (2) plain bearing bushing, (3) housing
 

Turning Stop Screw
An undesired rotation of a maintenance-free plain bearing bushing can be prevented with a turning stop screw (1) (press fit/transition fit). The use of a rotation stop screw (1) is recommended for high loads, rotational speeds and temperatures.

Plain bearing with rotary stop screw

(1) Turning stop screw
 

Bonding
If for various reasons you cannot use of a rotation stop screw, a maintenance-free sliding bearing bushing can be glued (2) into the housing with adhesive (play fit). Depending on the external influences, this can be done with Loctite. For applications that require high precision, this variant is not recommended due to the positioning accuracy.

Glued plain bearing

(1) Plain bearing bushing, (2) adhesive layer
 

Application Examples - Plain Bearing Bushings

 

Gleitlager mit Flansch
(1) Plain bearing bushing with flange housing, (2) servo press, (3) broach, (4) workpiece (gear wheel)
GLeitlager gesintert
(1) Plain bearing bushing, (2) hinge bolt
 
Gleitlager mit Festschmierstoff
(1) Plain bearing bushing, (2) flange, (3) switch sensor, (4) air cylinder, (5) quick-change holder, (6) clamp
Gleitlager mit Festschmierstoff
(1) Plain bearing bushings in axial design, (2) hinge bolt, (3) plain bearing bushing (4) profile

  

Supplementary Article

 

Shafts

Linear waves


Adjusting rings/clamping rings

Adjusting rings


Shaft holder

Shaft holder


Hinge bolts

Hinge bolts


Axle bolts

Axle bolts

 

Industrial Applications

 

3D printer industry
3D printer industry
Automotive industry
Automotive industry
Pharmaceutical industry
Pharmaceutical industry
Packaging industry
Packaging industry

 

Part Number:  

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Part Number
MHCAW10
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSI.D. d
(mm)
Overall Length L
(mm)
Maximum Allowable PV Value
(N/mm²·m/s)
Max. Allowable Velocity V
(m/s)
Length Type Seal Type

53.01 €

1 Available 5 Days 1010561.65-3.250.5-1.0DoubleNo Seal

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  1. 1

Specifications/Overview

[ ! ] With non-contact seals
Fluororesin seal of 0.3 mm thick is attached on the inner side of each retaining ring.

Basic information

Type Pillow Blocks Metallic High-Tensile Brass Alloy Maximum Allowable PV Value Range(N/mm2•m/s) 2.1 to 5.0
Max. Allowable Surface Pressure P(N/mm2) 29 Housing Material Aluminum Alloy Operating Temperature Range(°C) -40::150

This page is Plain Bearing Bushes / Wide Block Shape / Brass / Number of Bushes Selectable / Seal Selectable, part number MHCAW10.
You can find the detail information about specifications and dimensions on part number MHCAW10.

Variation of this product

Part Number
MHCAS-DS20
MHCAS-DS25
MHCAS-DS30
MHCAW12
MHCAW16
MHCAW20
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountStandard
Shipping Days
?
RoHSI.D. d
(mm)
Overall Length L
(mm)
Maximum Allowable PV Value
(N/mm²·m/s)
Max. Allowable Velocity V
(m/s)
Length Type Seal Type

66.87 €

1 Available 5 Days -20513.251SingleWith Dust Seals

107.21 €

1 Available 5 Days -25703.251SingleWith Dust Seals

88.04 €

1 Available 5 Days -30813.251SingleWith Dust Seals

56.41 €

1 Available 5 Days 1012581.65-3.250.5-1.0DoubleNo Seal

84.76 €

1 Available 5 Days 1016681.65-3.250.5-1.0DoubleNo Seal

88.67 €

1 Available 5 Days 1020781.65-3.250.5-1.0DoubleNo Seal

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