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Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 24/11/2024 to 7:00 (MYT) 25/11/2024. We apologize for the inconvenience.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.　
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Flat Belts Idlers Width 25 - 100

Volume Discount

MISUMI

MiSUMi Economy

MISUMI

Part Number

Configured Part Number is shown.

Drawing/Specifications
Part Numbers

Product Overview

Usually, flat-belt pulleys and flat belts are widely used in mechanisms design for transmitting rotational power generated by motors.
Driving and transmission are realized through the friction fit between flat-belt pulleys and flat belts.

Dimensional Drawing

Specifications Drawing of MISUMI Idlers for Flat Belts Width L=25-100

Bearing is pressed fit.

Bearing cannot be removed.

The tolerance accuracy of T is ±0.2mm. Please select the idler model after confirming the width tolerance of the flat belt.

Specifications Overview

If there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating or those made of austenitic stainless steel.
Refer to the

Surface Treatment and Rust Prevention Methods

Specification Table

Part Number		d	1mm increments	Crosspiece Groove Straight Only 0.1mm increments			Crowned Only Optional	d₁	Bearing size			F
Type	D		L	X	Y	Z	H		No.	D₁	B
Straight E-ROFAN E-ROFAF Crosspiece Groove Straight E-ROFAM Crowned E-ROFAC Crosspiece Groove Straight type is only available when D=30 or larger.	15	(5)	Straight Crowned 25-100 Crosspiece Groove Straight 50-100 L≥B×2＋2	-	-	-	0.3 0.5 0.8	7	B675ZZ	8	2.5	-
		(6)						9	B676ZZ	10	3
	20	(6)						10	B686ZZ	13	5	-
		(8)						10	B678ZZ	12	3.5
	25	6						10	B696ZZ	15	5	26
		(8)							B688ZZ	16
	30	8		7.0~15.0	5.0~12.0	2.0~4.5		15	B698ZZ	19	6	31
		(10)							B6900ZZ	22
		(12)							B6901ZZ	24
	35	10				4.0~6.0		17	B6900ZZ	22	6	36
		12							B6901ZZ	24
		(15)							B6902ZZ	28	7
	40	8				4.0~7.0		17	B628ZZ	24	8	41
		10							B6000ZZ	26
		12							B6901ZZ	24	6
		15							B6902ZZ	28	7
		(20)				4.0~6.0		22	B6804ZZ	32
	50	10				4.0~7.0		17	B6200ZZ	30	9	51
		12						22	B6001ZZ	28	8
		15						17	B6902ZZ		7
		20						27	B6904ZZ	37	9
		(25)							B6905ZZ	42
	60	12						22	B6201ZZ	32	10	61
		15							B6002ZZ		9
		20							B6904ZZ	37	9
		25						32	B6905ZZ	42
		30							B6906ZZ	47
	80	25						41	B6205ZZ	52	15	81
		30							B6006ZZ	55	13
		35							B6907ZZ		10

*T=6 is not available for the crowned type.

* 2 For the crowned type with T=16 or D=35 or 40, the dimensions of the bearing are values in ( ).

Refer to the detailed dimensions of the relevant bearing.

MISUMI makes no commitment to the bearing brand.

E-HBGP is only available in specifications marked with *.

The tolerance accuracy of T is ±2mm. Please select the idler model after confirming the width tolerance of the flat belt.

Product Features

Feature 1: MISUMI idlers for flat belts are suitable for conveying design and also play the role of tensioning the belt.
Feature 2: MISUMI idlers for flat belts are available in ordinary straight type, flanged type, crowned type effectively restraining running deviation, and crosspiece groove straight type effectively preventing running deviation, and are suitable for a wide range of design requirements.
Feature 3: With polyacetal products available, MISUMI idlers for flat belts are suitable for a variety of applications.
Feature 4: MISUMI idlers for flat belts use standard class 0 bearings and meet the industry standards.

Usage Method

■ Intend Use for Flat-belt Pulleys

Usage Method Example Drawing	Use Instructions for Flat-belt Pulleys
	The workpiece can be transmitted by the combined use of pulleys for flat belts, idlers for flat belts and flat belts. The idlers for flat belts can also play the role of tensioning the belt.

Precautions

①If there are requirements for rust prevention, give priority to products with surface treatment of electroless nickel plating or those made of austenitic stainless steel.
Please refer to

surface treatment and rust prevention methods
② The tolerance accuracy of Dimension T of the belt groove is 0.2mm. Please select the pulley model after confirming the width tolerance of the flat belt.

Example of Use

■ Mechanism name
2-row flat belt conveyor

■ Mechanism function
Conveyor used for pallet transportation of equipment in automatic conveying and manual operation

■ Function of pulleys for flat belts
The drive flat belt pulleys and the driven flat belt idlers drive the flat belt to carry out the conveying operation.

For detailed information, click 2-row flat belt conveyor

Application Industries

Smart Phones	Medical	Electronic & Electrical

Automotive	Robotics	Lithium battery

Related Documents

Overview of MISUMI Pulleys for Flat Belts

: 30; 45; 60

Part Number
E-ROFAC15-[5,6]-L[25-510/1]-H[0.3,0.5,0.8]
E-ROFAC20-[6,8]-L[25-100/1]-H[0.3,0.5,0.8]
E-ROFAC25-[6,8]-L[25-100/1]-H[0.3,0.5,0.8]
E-ROFAC30-[8,10,12]-L[25-100/1]-H[0.3,0.5,0.8]
E-ROFAC35-[10,12,15]-L[25-100/1]-H[0.3,0.5,0.8]
E-ROFAC40-[8,10,12,15,20]-L[25-100/1]-H[0.3,0.5,0.8]
E-ROFAC50-[10,12,15,20,25]-L[25-100/1]-H[0.3,0.5,0.8]
E-ROFAC60-[12,15,20,25,30]-L[25-100/1]-H[0.3,0.5,0.8]
E-ROFAC80-[25,30,35]-L[25-100/1]-H[0.3,0.5,0.8]
E-ROFAF25-6-L[25-100/1]
E-ROFAF30-8-L[25-100/1]
E-ROFAF35-[10,12]-L[25-100/1]
E-ROFAF40-8-L[25-100/1]
E-ROFAF40-10-L[25-100/1]
E-ROFAF40-[12,15]-L[25-100/1]
E-ROFAF50-10-L[25-100/1]
E-ROFAF50-12-L[25-100/1]
E-ROFAF50-[15,20]-L[25-100/1]
E-ROFAF60-12-L[25-100/1]
E-ROFAF60-15-L[25-100/1]
E-ROFAF60-[20,25,30]-L[25-100/1]
E-ROFAF80-[25,30,35]-L[25-100/1]
E-ROFAM30-[8,10,12]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[2-4.5/0.1]
E-ROFAM35-[10,12,15]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-6/0.1]
E-ROFAM40-8-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM40-10-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM40-20-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-6/0.1]
E-ROFAM40-[12,15]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM50-10-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM50-12-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM50-25-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM50-[10,12,15,20]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM60-12-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM60-15-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM60-[20,25,30]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAM80-[25,30,35]-L[50-100/1]-X[7-15/0.1]-Y[5-12/0.1]-Z[4-7/0.1]
E-ROFAN15-6-L50
E-ROFAN15-[5,6]-L[25-100/1]
E-ROFAN20-[6,8]-L[25-100/1]
E-ROFAN25-[6,8]-L[25-100/1]
E-ROFAN30-[8,10,12]-L[25-100/1]
E-ROFAN35-[10,12,15]-L[25-100/1]
E-ROFAN40-8-L[25-100/1]
E-ROFAN40-10-L[25-100/1]
E-ROFAN40-[12,15,20]-L[25-100/1]
E-ROFAN50-10-L[25-100/1]
E-ROFAN50-12-L[25-100/1]
E-ROFAN50-[15,20,25]-L[25-100/1]
E-ROFAN60-12-L[25-100/1]
E-ROFAN60-15-L[25-100/1]
E-ROFAN60-[20,25,30]-L[25-100/1]
E-ROFAN80-[25,30,35]-L[25-100/1]

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Shape	With or w/o Flange	Outer Dia. D (Ø)	Shaft (Bore) Dia. d (mm)	H (mm)	L (mm)	X (mm)	Y (mm)	Z (mm)
-	1 Piece(s)		7 Day(s)	Crowned	No Flange	15	5 ～ 6	0.3 ～ 0.8	25 ～ 510	-	-	-
-	1 Piece(s)		7 Day(s)	Crowned	No Flange	20	6 ～ 8	0.3 ～ 0.8	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Crowned	No Flange	25	6 ～ 8	0.3 ～ 0.8	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Crowned	No Flange	30	8 ～ 12	0.3 ～ 0.8	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Crowned	No Flange	35	10 ～ 15	0.3 ～ 0.8	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Crowned	No Flange	40	8 ～ 20	0.3 ～ 0.8	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Crowned	No Flange	50	10 ～ 25	0.3 ～ 0.8	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Crowned	No Flange	60	12 ～ 30	0.3 ～ 0.8	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Crowned	No Flange	80	25 ～ 35	0.3 ～ 0.8	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	25	6	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	30	8	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	35	10 ～ 12	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	40	8	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	40	10	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	40	12 ～ 15	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	50	10	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	50	12	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	50	15 ～ 20	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	60	12	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	60	15	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	Flange	60	20 ～ 30	-	25 ～ 100	-	-	-
-	1 Piece(s)		9 Day(s)	Straight	Flange	80	25 ～ 35	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	30	8 ～ 12	-	50 ～ 100	7 ～ 15	5 ～ 12	2 ～ 4.5
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	35	10 ～ 15	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 6
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	40	8	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	40	10	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	40	20	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 6
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	40	12 ～ 15	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	50	10	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	50	12	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	50	25	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	50	10 ～ 20	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	60	12	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	60	15	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		7 Day(s)	Crosspiece Groove	No Flange	60	20 ～ 30	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
-	1 Piece(s)		9 Day(s)	Crosspiece Groove	No Flange	80	25 ～ 35	-	50 ～ 100	7 ～ 15	5 ～ 12	4 ～ 7
MYR 78.06	1 Piece(s)	Available	14 Day(s)	-	-	-	-	-	-	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	15	5 ～ 6	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	20	6 ～ 8	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	25	6 ～ 8	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	30	8 ～ 12	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	35	10 ～ 15	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	40	8	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	40	10	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	40	12 ～ 20	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	50	10	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	50	12	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	50	15 ～ 25	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	60	12	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	60	15	-	25 ～ 100	-	-	-
-	1 Piece(s)		7 Day(s)	Straight	No Flange	60	20 ～ 30	-	25 ～ 100	-	-	-
-	1 Piece(s)		9 Day(s)	Straight	No Flange	80	25 ～ 35	-	25 ～ 100	-	-	-

Basic Information

Length L(mm)	~50 / ~100	Type	Idlers (Bearing Built-in)	Material	Aluminum Alloy
Shaft Type	1-Bearing on Each End (2-Bearing in Total)	Surface Urethane	Urethane Not Provided	Surface Treatment	Clear Anodize

Configure

52 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shape
- Straight
- Crowned
- Crosspiece Groove
Clear
With or w/o Flange
- Flange
- No Flange
Clear
Outer Dia. D(Ø)
15

20

25

30

35

40

50

60

80
Clear
Shaft (Bore) Dia. d(mm)
5

6

8

10

12

15

20

25

30

35
Clear
H(mm)
0.3

0.5

0.8
Clear
L(mm)
[25-510/1mm Unit(s)]
Clear
X(mm)
[7-15/0.1mm Unit(s)]
Clear
Y(mm)
[5-12/0.1mm Unit(s)]
Clear
Z(mm)
[2-7/0.1mm Unit(s)]
Clear
type
- E-ROFAC
- E-ROFAF
- E-ROFAM
- E-ROFAN
Clear

Specify Alterations

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

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Flat-belt idlers, Width (T), 6 to 32 mm	Flat Belts For General Use	High Torque Timing Pulleys S2M Type

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Flat Belts Idlers Width 25 - 100

Basic Information

Configure

Specification/Dimensions

Shape

With or w/o Flange

Outer Dia. D(Ø)

Shaft (Bore) Dia. d(mm)

H(mm)

L(mm)

X(mm)

Y(mm)

Z(mm)

type