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Round belt pulleys / V-groove, U-groove / clamping ring clamping / steel, aluminium / black oxided, anodised (Part Numbers - CAD Download)

Round belt pulleys / V-groove, U-groove / clamping ring clamping / steel, aluminium / black oxided, anodised
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MISUMI

MISUMI

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Data sheet

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Back to the Category Round Belt Pulleys, Idlers

Technical Drawing - Round Belt Track Rollers

Pulleys for Round Belts/Clamping/U-Groove:Related Image
Open the technical drawing in the new window

 

Available dimensions and tolerances can be found under the tab More Information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Round Belt Track Rollers

TypeMaterialSurface TreatmentAccessory
Trapezoid GrooveU Groove
MBRDCMBRCEN 1.1191 Equiv.Black OxideHex Socket Head Cap Screw (x2) EN 1.7220 Equiv.
MBRDACMBRACEN AW-5052 Equiv.Clear AnodizeHex Socket Head Cap Screws (x2) Stainless Steel

Further specifications can be found under the tab More Information.

Composition of a Product Code - Round Belt Track Rollers

Part Number-Belt Radius-R-d
MBRDC30
MBRC60		-2
 
-
2.5		-
-		5
6
 

Alterations - Round Belt Track Rollers

Pulleys for Round Belts/Clamping/U-Groove:Related Image

General Information - Round Belt Track Rollers

Round belt disk with hub - round belt disk with two grooves as idler pulley - plastic idler pulley - round belt disk with hub and double groove - round belt disk with clamping scar

 

Selection details of round belt discs/idler pulleys

- Material: aluminum, steel, stainless steel, resin type (polyacetal)

- Coatings: untreated, burnished, nickel-plated, anodized

- Groove shape: V-groove (trapezoid groove), U-groove

- Belt diameter: single groove, double groove

- Effective diameter: 2 to 10 mm

- Shaft diameter: 15 to 140 mm

- Mounting: 3 to 20 mm

 

Description/Basics

The round belt disk for mechanical engineering is generally intended for drive and power transmission.
A system with round belts and round belt disk can transmit force over larger distances. An idler pulley is recommended depending on the distance to the guide. This reduces oscillations in a belt drive and minimizes the risk of the belt jumping off the round belt pulley. In addition, the belt tension of a round belt is important for power transmission. Depending on the application, the tension can be produced via a round belt disk with integrated ball bearing (tension roller). In addition, the use of a tension roller can increase the wrap angle and thus the contact surface of the belt on the round belt disk. Round belt disks made of plastic are often used for tensioning the round belt.

In principle, MISUIM offers two types of round belt discs. These are available with a trapezoidal groove (V-groove) or radius (U-groove) suitable for the round belt. The V-groove round belt disks are adapted to the round belt and offer the advantage that they form up to three contact points for the round belt due to their shape. In comparison, round belt disks with a V-groove can thus have a higher slip torque.
MISUMI also offers round belt disks with two grooves for drives mounted side-by-side. The combination of two round belt disks can be absorbed with force and simultaneously released and forwarded. In pulleys for round belts with double grooves, the force can also be delivered in different directions or systems. Therefore, it may be possible to forgo a drive unit and reduce costs.
The drive wheels for round belts can be fastened on a axles / rotary shafts in various ways. A flat round belt disk is mounted on an axle using a clamping screw. MISUMI also offers this as a round belt disk with hub and optionally with keyways. Another commonly used variant is the belt pulley with clamping scar.
The belt pulleys for round belts can often be found in transport technology to convey light objects. These are usually operated in a permanent and constant transport.

If higher forces occur in a system and any slip is undesirable, a timing pulleys can be used.

 

Application Examples - Round Belt Track Rollers

Application example conveyor belt - round belts with two grooves - conveyor belts with round belts - round belt discs with axle

Application example conveyor belt
(1) Round belt disk with double groove, (2) rotary shaft, (3) Round belt, (4) Workpiece

 
Application example round belt conveyor belt - roller conveyor - conveyor belt with round belt - round belt wheel with round belt

Application example conveyor belt
(1) Round belt, (2) Motor, (3) Idler pulley/return roller, (4) Drive wheel for round belt

 
 
Application example roller conveyors - round belt discs with roller idlers - round belt discs with rollers - round belt discs with rollers - round belt discs with conveyor rollers

Application example roller conveyor
(1) Round belt disk, (2) Round belts, (3) Conveyor rollers

 
Application example round belt disk - round belt drive with bearing housing - round belt drive distribution

Application example
(1) Round belt disc with hub, (2) round belt, (3) rotary shaft, (4) bearing housing

 

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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Data to be displayed
30
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Part Number
MBRDAC20-1-[4,​5]
MBRDAC23-2-[5,​6,​6.35,​8]
MBRDAC28-2-[5,​6,​6.35,​8]
MBRDAC28-2.5-[5,​6,​6.35,​8]
MBRDAC28-3-[5,​6,​6.35,​8]
MBRDAC30-1-[4,​5,​6,​6.35,​8]
MBRDAC30-1.5-[5,​6,​6.35,​8]
MBRDAC30-2-[5,​6,​6.35,​8]
MBRDAC38-3-[5,​6,​6.35]
MBRDAC40-1-[4,​5,​6,​6.35,​8]
MBRDAC40-1.5-[5,​6,​6.35,​8]
MBRDAC40-2-[5,​6,​6.35,​8]
MBRDAC40-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC45-1.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC45-2-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC48-2-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC48-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC48-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC50-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC50-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC58-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC60-1.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC60-2-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC60-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC60-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC75-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC75-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC80-2-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC80-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC95-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDAC100-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC20-1-[4,​5]
MBRDC23-2-[5,​6,​6.35,​8]
MBRDC28-2-[5,​6,​6.35,​8]
MBRDC28-2.5-[5,​6,​6.35,​8]
MBRDC28-3-[5,​6,​6.35,​8]
MBRDC30-1-[4,​5,​6,​6.35,​8]
MBRDC30-1.5-[5,​6,​6.35,​8]
MBRDC30-2-[5,​6,​6.35,​8]
MBRDC38-3-[5,​6,​6.35]
MBRDC40-1-[4,​5,​6,​6.35,​8]
MBRDC40-1.5-[5,​6,​6.35,​8]
MBRDC40-2-[5,​6,​6.35,​8]
MBRDC40-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC45-1.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC45-2-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC48-2-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC48-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC48-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC50-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC50-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC58-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC60-1.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC60-2-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC60-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC60-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC75-2.5-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC75-3-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC80-2-[5,​6,​6.35,​8,​10,​11,​12]
MBRDC80-2.5-[5,​6,​6.35,​8,​10,​11,​12]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSGroove Shape Applicable Belt Dia.
(Ø) 		Pitch Circle Dia. P.D.
(Ø) 		Nominal Width W
(mm) 		Material Surface Treatment Shaft Dia. d (or P)
(Ø) 		R
(mm) 		Belt Radius
(mm)

-

1 10 Days 10Trapezoid Groove2202.2-Clear Anodized Aluminum4 ～ 5-1

-

1 10 Days 10Trapezoid Groove4234.4-Clear Anodized Aluminum5 ～ 8-2

-

1 10 Days 10Trapezoid Groove4284.4-Clear Anodized Aluminum5 ～ 8-2

-

1 10 Days 10Trapezoid Groove5285.5-Clear Anodized Aluminum5 ～ 8-2.5

-

1 10 Days 10Trapezoid Groove6286.6-Clear Anodized Aluminum5 ～ 8-3

-

1 10 Days 10Trapezoid Groove2302.2-Clear Anodized Aluminum4 ～ 8-1

-

1 10 Days 10Trapezoid Groove3303.3-Clear Anodized Aluminum5 ～ 8-1.5

-

1 10 Days 10Trapezoid Groove4304.4-Clear Anodized Aluminum5 ～ 8-2

-

1 10 Days 10Trapezoid Groove6386.6-Clear Anodized Aluminum5 ～ 6.35-3

-

1 10 Days 10Trapezoid Groove2402.2-Clear Anodized Aluminum4 ～ 8-1

-

1 10 Days 10Trapezoid Groove3403.3-Clear Anodized Aluminum5 ～ 8-1.5

-

1 10 Days 10Trapezoid Groove4404.4-Clear Anodized Aluminum5 ～ 8-2

-

1 10 Days 10Trapezoid Groove5405.5-Clear Anodized Aluminum5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove3453.3-Clear Anodized Aluminum5 ～ 12-1.5

-

1 10 Days 10Trapezoid Groove4454.4-Clear Anodized Aluminum5 ～ 12-2

-

1 10 Days 10Trapezoid Groove4484.4-Clear Anodized Aluminum5 ～ 12-2

-

1 10 Days 10Trapezoid Groove5485.5-Clear Anodized Aluminum5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove6486.6-Clear Anodized Aluminum5 ～ 12-3

-

1 10 Days 10Trapezoid Groove5505.5-Clear Anodized Aluminum5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove6506.6-Clear Anodized Aluminum5 ～ 12-3

-

1 10 Days 10Trapezoid Groove6586.6-Clear Anodized Aluminum5 ～ 12-3

-

1 10 Days 10Trapezoid Groove3603.3-Clear Anodized Aluminum5 ～ 12-1.5

-

1 10 Days 10Trapezoid Groove4604.4-Clear Anodized Aluminum5 ～ 12-2

-

1 10 Days 10Trapezoid Groove5605.5-Clear Anodized Aluminum5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove6606.6-Clear Anodized Aluminum5 ～ 12-3

-

1 10 Days 10Trapezoid Groove5755.5-Clear Anodized Aluminum5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove6756.6-Clear Anodized Aluminum5 ～ 12-3

-

1 10 Days 10Trapezoid Groove4804.4-Clear Anodized Aluminum5 ～ 12-2

-

1 10 Days 10Trapezoid Groove5805.5-Clear Anodized Aluminum5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove6956.6-Clear Anodized Aluminum5 ～ 12-3

-

1 10 Days 10Trapezoid Groove61006.6-Clear Anodized Aluminum5 ～ 12-3

-

1 10 Days 10Trapezoid Groove2202.2EN 1.1191 Equiv.Black Oxide4 ～ 5-1

-

1 10 Days 10Trapezoid Groove4234.4EN 1.1191 Equiv.Black Oxide5 ～ 8-2

-

1 10 Days 10Trapezoid Groove4284.4EN 1.1191 Equiv.Black Oxide5 ～ 8-2

-

1 10 Days 10Trapezoid Groove5285.5EN 1.1191 Equiv.Black Oxide5 ～ 8-2.5

-

1 10 Days 10Trapezoid Groove6286.6EN 1.1191 Equiv.Black Oxide5 ～ 8-3

-

1 10 Days 10Trapezoid Groove2302.2EN 1.1191 Equiv.Black Oxide4 ～ 8-1

-

1 10 Days 10Trapezoid Groove3303.3EN 1.1191 Equiv.Black Oxide5 ～ 8-1.5

-

1 10 Days 10Trapezoid Groove4304.4EN 1.1191 Equiv.Black Oxide5 ～ 8-2

-

1 10 Days 10Trapezoid Groove6386.6EN 1.1191 Equiv.Black Oxide5 ～ 6.35-3

-

1 10 Days 10Trapezoid Groove2402.2EN 1.1191 Equiv.Black Oxide4 ～ 8-1

-

1 10 Days 10Trapezoid Groove3403.3EN 1.1191 Equiv.Black Oxide5 ～ 8-1.5

-

1 10 Days 10Trapezoid Groove4404.4EN 1.1191 Equiv.Black Oxide5 ～ 8-2

-

1 10 Days 10Trapezoid Groove5405.5EN 1.1191 Equiv.Black Oxide5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove3453.3EN 1.1191 Equiv.Black Oxide5 ～ 12-1.5

-

1 10 Days 10Trapezoid Groove4454.4EN 1.1191 Equiv.Black Oxide5 ～ 12-2

-

1 10 Days 10Trapezoid Groove4484.4EN 1.1191 Equiv.Black Oxide5 ～ 12-2

-

1 10 Days 10Trapezoid Groove5485.5EN 1.1191 Equiv.Black Oxide5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove6486.6EN 1.1191 Equiv.Black Oxide5 ～ 12-3

-

1 10 Days 10Trapezoid Groove5505.5EN 1.1191 Equiv.Black Oxide5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove6506.6EN 1.1191 Equiv.Black Oxide5 ～ 12-3

-

1 10 Days 10Trapezoid Groove6586.6EN 1.1191 Equiv.Black Oxide5 ～ 12-3

-

1 10 Days 10Trapezoid Groove3603.3EN 1.1191 Equiv.Black Oxide5 ～ 12-1.5

-

1 10 Days 10Trapezoid Groove4604.4EN 1.1191 Equiv.Black Oxide5 ～ 12-2

-

1 10 Days 10Trapezoid Groove5605.5EN 1.1191 Equiv.Black Oxide5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove6606.6EN 1.1191 Equiv.Black Oxide5 ～ 12-3

-

1 10 Days 10Trapezoid Groove5755.5EN 1.1191 Equiv.Black Oxide5 ～ 12-2.5

-

1 10 Days 10Trapezoid Groove6756.6EN 1.1191 Equiv.Black Oxide5 ～ 12-3

-

1 10 Days 10Trapezoid Groove4804.4EN 1.1191 Equiv.Black Oxide5 ～ 12-2

-

1 10 Days 10Trapezoid Groove5805.5EN 1.1191 Equiv.Black Oxide5 ～ 12-2.5

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Back to the Category Round Belt Pulleys, Idlers

Technical Drawing - Round Belt Track Rollers

Pulleys for Round Belts/Clamping/U-Groove:Related Image
Open the technical drawing in the new window

Specification Tables - Round Belt Track Rollers

Part NumberBelt RadiusRd (H7) SelectionDD1D2hWLTℓXYMApplicable Belt Dia.Unit Price
MBRDC
MBRC		MBRDAC
MBRAC
TypeP.D.TrapezoidU Groove
Trapezoid Groove
MBRDC
MBRDAC


U Groove
MBRC
MBRAC		20145      16221812.21152.553M32  
304566.358   20322873.5  
404238
301.5 566.358   2032271.53.316102.573.5M33  
404237  
45 566.358101112254742204.594.5M4
606257  
232 566.358   20251924.416102.573.5M34  
283024
303226  
404236
45 566.358101112254741204.594.5M4  
485044
606256  
808276  
282.5 566.358   2030232.55.516102.573.5M35  
40 566.358101112254235204.594.5M4  
485043  
505245
606255  
757770  
808275  
283 566.358   20302236.616102.573.5M36  
38 566.35    4032204.56.5M4  
48 566.35810111225504294.5
505244
586052  
606254 
757769  
959789  
10010294  

Alterations - Round Belt Track Rollers

Pulleys for Round Belts/Clamping/U-Groove:Related Image
 

Basic information

Pulleys/Idlers Pulleys Number of Grooves 1-fach Product Type Pulley (No Bearing)
Pulley Type Clamping Type

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62Suggestion of an applicable part number.

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Basic Attributes

  • Applicable Belt Dia.(Ø)

    • 2
    • 3
    • 4
    • 5
    • 6

    Clear

  • Pitch Circle Dia. P.D.(Ø)

    • 20
    • 23
    • 28
    • 30
    • 38
    • 40
    • 45
    • 48
    • 50
    • 58
    • 60
    • 75
    • 80
    • 95
    • 100

    Clear

  • Nominal Width W(mm)

    • 2.2
    • 3.3
    • 4.4
    • 5.5
    • 6.6

    Clear

  • Material

    • EN 1.1191 Equiv.

    Clear

  • Surface Treatment

    • Black Oxide
    • Clear Anodized Aluminum

    Clear

  • Shaft Dia. d (or P)(Ø)

    • 4
    • 5
    • 6
    • 6.35
    • 8
    • 10
    • 11
    • 12

    Clear

  • R(mm)

    • 1
    • 1.5
    • 2
    • 2.5
    • 3

    Clear

  • Belt Radius(mm)

    • 1
    • 1.5
    • 2
    • 2.5
    • 3

    Clear

  • Type

    • MBRAC
    • MBRC
    • MBRDAC
    • MBRDC

    Clear

  • Groove Shape

    • Trapezoid Groove
    • U Groove

    Clear

  • Filter by CAD data type

    • 2D
    • 3D

    Clear

Filter by standard shipping days

    • All
    • 10 Days or Less

    Reset

Optional Attributes

Frequently Asked Questions (FAQ)

Question:

What is the dimension of the keyway?
Answer:

The keyway of MISUMI round belt track rollers are manufactured according to the new JIS standard (B1301) or the previous JIS standard. Therefore, it is recommended to use a keyway from MISUMI, as these are matched. Dimensions are shown in the Keyway Overview PDF
Question:

How can round belts prevent the round belts from popping off?
Answer:

A round belt can jump or slip off the round belts by adjusting the correct belt tension. Depending on the application and the distance between the round belt track rollers, it requires an idler pulley. MISUMI also offers this for the appropriate belt diameters. These are already equipped with ball bearings and available in steel, stainless steel, aluminum and plastic.
Question:

Are round belt track rollers suitable for strong forces?
Answer:

If higher forces are transmitted, a round belt track roller with trapezoidal groove (V-groove) can be utilised. However, if very high forces are transmitted and slip is undesirable, a synchronous pulley and synchronous belt can be used. These can transmit higher forces without slipping.
Question:

How can an idler pulley be mounted?
Answer:

The idler pulley for the round belt comes already equipped with a ball bearing. Here, the bearing can be mounted on a clamping device with a cantilever pin. However, MISUMI also offers idler pulleys round belts with already pressed axle bolts. This can simplify assembly and reduce the assembly time.
Question:

Are there round belt track rollers made of aluminum?
Answer:

In addition, MISUMI offers in its product assortment round belt track rollers made of aluminum. These have good corrosion resistance and a low density. The round belt track rollers made of aluminum are well-suited for saving weight and generate a lower inertial mass during operation compared to other materials. In addition, the aluminum round belt track rollers are available with single or double groove, as well as V-groove (trapezoidal groove) and U-groove.

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