Tensioner Idlers / smooth / flanged disc selectable / single bearing, double bearing / material selectable / treatment selectable (MFBD19-35)

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MISUMI

Product Details:

Manufacturer part number: MFBD19-35

Brand: MISUMI

Price: 16.95 €

Delivery time: 10 Days

Technical Data:

Material: EN 1.1191 Equiv.

Surface Treatment: Electroless Nickel Plating

O.D.: 35 mm

Bearing Position: Center Bearing Type

Groove Width W: 19 mm

Part Number

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MFBD19-35

Drawing / Specifications
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Catalog

Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

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

Basic Properties (e.g., material, hardness, coating, tolerance) - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Type		Material			Surface Treatment
No Flange	Flanged	Main Body	Flange	Bearing	Surface Treatment
AFBD	AFDF	Aluminum Alloy 2000 series	EN AW-5052 Equiv.	Steel	Clear Anodize
BFBD	BFDF	EN 1.1191 Equiv.	EN 1.0330 Equiv.		Black Oxide
MFBD	MFDF	EN 1.1191 Equiv.	EN 1.0330 Equiv.		Electroless Nickel Plating
SFBD	SFDF	EN 1.4301 Equiv.		Stainless Steel	-

Further specifications can be found under the tab More Information.

Composition of a Product Code - Toothed Pulleys/Timing Pulleys/Idler Pulleys

■Center Bearing

Part Number	-	D
AFBD9	-	20

■Both Sides Bearing

Part Number	-	Nominal
AFBD11	-	15

General Information - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Toothed pulley - synchronous pulley - belt pulley - product assortment

Selection details of toothed pulleys/timing pulleys/idler pulleys

- Material: aluminum, steel, stainless steel (stainless steel), plastic

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

- Profile form: 1.5GT, 2GT, 3GT, 5GT, P2M, P3M, P5M, P8M, S2M, S3M, S5M, S8M, S14M, T2.5, T5, T10, AT5, AT10, 5M, 8M, 14M, 8YU, H, L, MXL, XL, PowerGrip GT3: MR2, MR3, MR5

- ISO tolerances: H7

- Belt width (mm): 4, 4.8, 6, 6.4, 7, 7.9, 9, 9.5, 10, 12, 12.7, 15, 18, 19.1, 20, 25, 25.4, 26, 28, 30, 31, 38,1, 40, 50, 50.8, 53, 60, 74, 76.2, 100

- Belt width (inches): 0.19, 0.25, 0.31, 0.37, 0.5, 0.75, 1, 1.5, 2

- Number of teeth: 10 to 72

Description/Basics

The toothed pulley for mechanical engineering is intended for the transmission of force and torque. Timing pulleys enable a gear ratio of speeds through belt pulleys of different sizes. Timing pulleys are more efficient, durable and significantly more maintenance-friendly compared to chain transmissions.

How much torque and load a timing pulley can transmit depends on the width of the belt. The width of the belt must be calculated. It is recommended to ensure the belt is correctly tensioned. MISUMI already offers the suitable idler pulley and return rollers with integrated ball bearings. For design and design help follow this link.

Different profile shapes of the toothed belts and belt pulleys are responsible for the transmission of power. Depending on the positioning accuracy, the applied torque and the conveying weight, MISUMI offers the fitting pulley. Toothed belt drives are generally used in the industry in three areas:
Positioning: Timing pulleys is often used in 3D printers. A toothed pulley with a semi-circular profile (e.g., GT) is often used for the required position accuracy of a 3D printers. The round shape offers the benefit of little play when the direction changes.
Drive: toothed pulleys are also used for high torque. In most cases, a timing pulley with a rounded trapezoidal profile (e.g., S8M) is used. These are particularly well suited for the transmission of high forces, which occur in drives of various applications in order to drive mechanical components.
Conveying: toothed pulleys can also be used for transporting loads. A straight trapezoidal profile is often used for this purpose (e.g., AT). This toothed pulley shape offers a large surface for loading and transmitting of loads.

Which toothed pulley or timing pulley is the right one for your application depends on the respective task of the toothed belt drive. Different toothed disc profiles have proven themselves for each type of application.

Various bore hole shapes and fastening variants are available for shaft mounting. These allow fastening via set screws, keyways and by means of Mecha locks. Fastening via a clamping sleeve has the further advantage that it allows adjusting the alignment continuously. The MISUMI product assortment has these ready-to-install.

Application Examples - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Application example: idler pulley - idler pully toothed with chain tensioner - toothed pulley with chain tensioner

Application example: idler pulley
(1) Idler pulleys, (2) chain tensioner

Application example: return roller - return roller with cantilever pin - synchronous pulley with on-board disc - toothed pulley with on-board disc

Application example: deflection roller
S (1) Toothed pulleys with crimp disc, (2) nut, (3) washer, (4) cantilever shaft, (5) retaining ring

Application example: synchronous pulleys - toothed pulleys with toothed belts - toothed pulley with screw-on clamp

Application example: timing pulleys
(1) Flat head screw, (2) Timing pulley, (3) Timing belt, (4) Screw-on terminal

Application example: toothed belt drives - toothed pulleys with crimp disc - idler pulley with crimp disc - tensioning of the toothed belt

Application example: of toothed belt drives
(1) Toothed belt, (2) driven toothed pulley with crimp disc, (3) idler pulley with crimp disc, (4) driving toothed pulley with crimp disc

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

Part Number:

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Part Number
MFBD19-35

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Material	Surface Treatment	O.D. (mm)	Bearing Position	Groove Width W (mm)	With or w/o Flange
	16.95 €	1	Available	10 Days	10	EN 1.1191 Equiv.	Electroless Nickel Plating	35	Center Bearing Type	19	Not Provided

Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Open the technical drawing in the new window

Specification Tables - Toothed Pulleys/Timing Pulleys/Idler Pulleys

■Center Bearing

Part Number		D	F	A	Applicable Belt Nominal Width		S	Bearing Dimensions			Retaining Ring		Unit Price
Type	W				inch	mm		No.	d	B	AFBD MFBD SFBD AFDF MFDF SFDF	BFBD BFDF	No Flange				Flanged
Type	W				inch	mm		No.	d	B	AFBD MFBD SFBD AFDF MFDF SFDF	BFBD BFDF	AFBD	BFBD	MFBD	SFBD	AFDF	BFDF	MFDF	SFDF
No Flange AFBD BFBD MFBD SFBD Flanged AFDF BFDF MFDF SFDF	9	20	25	5	-	040	2.5	695ZZ	5	4	RTWS13	RTWN13		-	-	-		-	-	-
	9	25	30	5	-	040	2.5	695ZZ	5	4	RTWS13	RTWN13
	10	25	30	6	019	-	2.5	696ZZ	6	5	RTWS15	RTWN15		-	-	-		-	-	-
	11	25	30	7	-	060	3.0	696ZZ	6	5	RTWS15	RTWN15
	11.5	25	30	7.5	025	-	3.25	696ZZ	6	5	RTWS15	RTWN15
	14	30	35	9	031	-	4	698ZZ	8	6	RTWS19	RTWN19		-	-	-		-	-	-
	15	30	35	11	037	100	4.5	698ZZ	8	6	RTWS19	RTWN19
	16	40	48	11	037	100	4	6000ZZ	10	8	RTWS26	RTWN26
	19	30	36	14	050	-	6.5	698ZZ	8	6	RTWS19	RTWN19		-	-	-		-	-	-
		35	45				5.5	628ZZ	8	8	RTWS24	RTWN24
		45	55				5	6200ZZ	10	9	RTWS30	RTWN30
	22	35	45	17	-	150	7	6000ZZ	10	8	RTWS26	RTWN26		-	-	-		-	-	-
	22	45	55	17	-	150	6.5	6200ZZ	10	9	RTWS30	RTWN30
	26	40	48	21	075	-	9	6000ZZ	10	8	RTWS26	RTWN26		-	-	-		-	-	-
		45	55				8.5	6200ZZ	10	9	RTWS30	RTWN30		-	-	-		-	-	-
		50	58				8.5	6200ZZ	10	9	RTWS30	RTWN30

■Both Sides Bearing

Part Number		Nominal	D	F	A	Applicable Belt Nominal Width		Bearing Dimensions			Unit Price
Type	W					inch	mm	No.	d	B	No Flange	Flanged
Type	W					inch	mm	No.	d	B	AFBD	AFDF
No Flange AFBD Flanged AFDF	9	15	15	18	5	-	040	675ZZx2	5	2.5
	9	20W	20	25	5		040	676ZZx2	6	3
	11	15	15	18	7		060	675ZZx2	5	2.5
	11	20	20	25	7		060	676ZZx2	6	3
	11.5	15	15	18	7.5	025	-	675ZZx2	5	2.5
	11.5	20	20	25	7.5	025	-	676ZZx2	6	3
	15	20	20	25	11	037	100	686ZZx2	6	5
	15	25	25	30	11	037	100	688ZZx2	8	5
	19	25	25	32	14	050	-	688ZZx2	8	5
	19	30W	30	36	14	050	-	688ZZx2	8	5
	22	25	25	32	17	-	150	688ZZx2	8	5
	22	35W	35	45	17	-	150	6000ZZx2	10	8
	26	40W	40	48	21	075	-	6000ZZx2	10	8
	26	45W	45	55	21	075	-	6201ZZx2	12	10
	27	60	60	67	22	-	200	6201ZZx2	12	10
	32	45	45	55	27	100	250
	32	65	65	74	27	100	250
	37	55	55	67	32	-	300
	37	65	65	74	32	-	300
	45	70	70	80	40	150	-	6202ZZx2	15	11
	49	60	60	67	44	-	400
	49	70	70	80	44		400
	58	60	60	67	53		500
	59	70	70	80	54	200	-

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Basic information

Type	Idlers	Timing Pulleys/Idlers	Idlers

This page is Tensioner Idlers / smooth / flanged disc selectable / single bearing, double bearing / material selectable / treatment selectable, part number MFBD19-35.
You can find the detail information about specifications and dimensions on part number MFBD19-35.

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Basic Attributes

Type
- AFBD
- AFDF
- BFBD
- BFDF
- MFBD
- MFDF
- SFBD
- SFDF
Clear
Material
- EN 1.1191 Equiv.
- Aluminum
  - 2000 Series Aluminum Alloy (Duralumin)
- EN 1.4301 Equiv.
Clear
Surface Treatment
- Not Provided
- Black Oxide
- Clear Anodize
- Electroless Nickel Plating
Clear
Bearing Position
- Both Side Bearing Type
- Center Bearing Type
Clear
Groove Width W(mm)
9

10

11

11.5

14

15

16

19

22

26

27

32

37

45

49

58

59
Clear
With or w/o Flange
- Not Provided
- Provided
Clear
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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 you have any belt pulleys without a hole?: Answer:
The MISUMI toothed pulleys always have a pilot bore. It is expanded depending on your configuration. It provides the advantage that the belt pulleys are already provided with a suitable shaft bore ready for installation. Therefore, it does not require time-consuming post-processing.
Question:
Do you have timing pulleys made of aluminum?: Answer:
The MISUMI online shop also offers timing pulleys or toothed pulleys in aluminum. Furthermore, we are also offering belt pulleys in steel and stainless steel. The return rollers and idler pulleys for the timing belts are also available in plastic.
Question:
Is a transmission with toothed belt pulleys possible?: Answer:
With toothed pulleys, a gear ratio is possible in a drive. The gear ratio is established based on the number of teeth on the belt pulleys. It should be ensured that the minimum number of teeth of the timing pulley disc is not undercut.
Question:
Which type of the toothed belt pulley can be clamped during assembly?: Answer:
There are a number of ways to install timing pulleys on a shaft. For applications that are not exposed to high torque, such as conveyors, it can be sufficient to fasten a timing pulley using clamping threaded pins. For this purpose, the shaft should have a flat surface.
For higher loads, a toothed pulley with a keyway can also be used.
A further variant is the fastening of a timing pulley via a conical chip sleeve. Depending on the type of Mecha lock, the timing pulley requires lateral internal threads, which can be added through additional options in the MISUMI online shop.
A timing pulley with a bore hole can also be combined with a Mech lock. MISUMI is offering this combination as a set.
Question:
Where do you position the tension roller?: Answer:
If an idler pulley should be utilised, it should be positioned on the sag side. This means that the idler pulley is attached to the side not subjected to pull.
Ideally, a toothed idler pulley is mounted on the inside of the toothed belt. The tensioning roller should always be larger than the smallest toothed idler pulley of the belt drive system.
If an idler pulley must tension the toothed belt from the outside, then a non-toothed (flat) idler pulley should be used. Cantilever pins, which MISUMI offers in various geometric versions, are suitable for fastening.
Question:
Which parallel key can be used for the toothed pulleys?: Answer:
The parallel key size is based on the shaft diameter. In this case, it is recommended using the MISUMI parallel keys, as they fit better when MISUMI toothed pulleys are used. See Overview available as PDF for keyway tolerances.
Question:
Is a timing pulley with a round profile better?: Answer:
Timing pulleys and round-profile timing belts are not recommended for every application. For example, the round profile shape is well suited for applications that require high positioning accuracy. Therefore, they are often used in 3D printers and scanners. Compared to other profile shapes, the round profile shape has a higher wear resistance. Another advantage of the round profile shape is the minimized play in the return (reverse play).
Question:
Which belt pulley is suitable for Gates toothed belts?: Answer:
The GT and EV timing pulleys are suitable for Gates’ toothed belts. However, these require you put attention to the slope (distance of the teeth) of the toothed belt. It must be checked whether these correspond to the selected toothed pulley.
Question:
Are the curtain discs necessary for the toothed pulleys?: Answer:
It is recommended using the smaller belt pulleys particularly with curb disc. The curb disk ensures that the toothed belt does not migrate down from the toothed belt pulley. Even with the smallest misalignment of a pulley, there may be a risk that the toothed belt will move and jump during operation.
Question:
How is the gearing of the toothed pulleys manufactured?: Answer:
The gear teeth of the MISUMI toothed belt pulley are mainly pushed. This ensures high manufacturing accuracy. As a result, the teeth fit precisely into the toothed belt profile of the timing belts and ensure optimal power and torque transmission.

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Variation of this product

Part Number
AFBD11.5-15
AFBD11.5-20
AFBD11.5-25
MFBD19-45
MFBD22-45
MFBD26-50

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Material	Surface Treatment	O.D. (mm)	Bearing Position	Groove Width W (mm)	With or w/o Flange
19.35 €	1	Available	6 Days	10	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	15	Both Side Bearing Type	11.5	Not Provided
18.73 €	1	Available	6 Days	10	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	20	Both Side Bearing Type	11.5	Not Provided
16.08 €	1	Available	6 Days	10	[Aluminum] 2000 Series Aluminum Alloy (Duralumin)	Clear Anodize	25	Center Bearing Type	11.5	Not Provided
19.23 €	1	Available	10 Days	10	EN 1.1191 Equiv.	Electroless Nickel Plating	45	Center Bearing Type	19	Not Provided
19.23 €	1	Available	10 Days	10	EN 1.1191 Equiv.	Electroless Nickel Plating	45	Center Bearing Type	22	Not Provided
20.50 €	1	Available	10 Days	10	EN 1.1191 Equiv.	Electroless Nickel Plating	50	Center Bearing Type	26	Not Provided