Does flat belt idlers have concentricity standard?

Economy series flat belt pulley and idler coaxiality is

Can the flat belt idler bearing be disassembled.

According to different products, there are two types of MISUMI flat belt idlers: bearing press-fit type and bearing removal type. Therefore, during the design process, please design and use after the customer confirms the characteristics of the product.

What precision bearings are used for flat belt idlers?

MISUMI flat belt idlers use radial bearings of accuracy grade 0. For specific dimensions of the bearings, please refer to Economy series Bearing Small diameter ball.

Please note that the MISUMI Pune office and warehouse will be closed on November 20th due to the state election.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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(41 Part Numbers Available)

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Part Number Complete

C-ROFAC15-6-L25-H0.8

Shape Outer Dia. D Shaft (Bore) Dia. d L Dimension type CAD

Specification/Dimensions

Shape
- Straight
- Crowned
Clear
Outer Dia. D(Ø)
15

20

25

30

40

50
Clear
Shaft (Bore) Dia. d(mm)
5

6

8

10

12

15

20
Clear
L Dimension(mm)
25

30

35

40

50

60

70
Clear
type
- C-ROFAC
- C-ROFAN
Clear
CAD
- 2D
- 3D
Clear

Specify Alterations

Flat Belt Idlers Medium Length

Volume Discount

Check FAQ of this product (3 items)

Brand :

MiSUMi Economy

Part Number :

C-ROFAC15-6-L25-H0.8

C-ROFAC15-6-L50-H0.8

C-ROFAC20-8-L25-H0.8

C-ROFAC20-8-L30-H0.8

C-ROFAC20-8-L40-H0.8

C-ROFAC20-8-L50-H0.8

C-ROFAC30-12-L30-H0.8

C-ROFAC30-12-L40-H0.8

C-ROFAC30-12-L50-H0.8

C-ROFAC30-12-L60-H0.8

C-ROFAC40-10-L30-H0.8

C-ROFAC40-10-L40-H0.8

C-ROFAC40-10-L60-H0.8

C-ROFAC50-15-L50-H0.8

C-ROFAC50-15-L60-H0.8

C-ROFAN15-5-L25

C-ROFAN15-5-L30

C-ROFAN15-6-L40

C-ROFAN15-6-L50

C-ROFAN20-6-L25

C-ROFAC15-6-L25-H0.8

Order Qty :
Total Price :

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Days to ship :

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Select part number to Order Now/ Add to Cart

CAD Download

Product Description

· These idlers are designed for use with flat belts in conveyor systems.
· Model: C-ROFAC (Flanged Type) and C-ROFAN (Crowned Type)
· Idlers type: Bearing Built-in.
· Material Idlers body: Aluminum
· surface treatment solution: Clear Anodize solution.
· Material Bearing: Steel.
· Outer Diameter: 15 - 50 mm.
· Shaft (Bore) Diameter: 6, 8, 10, 12 and 15 mm.
· L dimension: 25, 30, 40, 50 and 60 mm.
· The Flat Belt Idlers Medium Length C-ROFAC and C-ROFAN types are specific idlers manufactured by MISUMI.
· Pulleys for Flat Belts (Width L=25 to 100) - Crowned, Crosspiece Groove Straight

Economy Flat Belt Idlers Medium Length

Precise Durable Reliable

- Choose from a range of sizes to fit your specific conveyor and material handling needs.

- Enjoy smooth and reliable operation with our idlers featuring precise tolerance.

- Made from high-grade aluminum with a clear anodized coating for long-lasting use.

- Available in designs to manage belt alignment and tensioning.

- Equipped with built-in precision bearings for robust support and reduced maintenance.

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Product Overview of Idlers

Usually, flat-belt pulleys/Idlers 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.

Product Feature of Idlers

Type of Idlers		Material	Surface Treatment	Material	Accessories
Straight Type of Idlers	Arc Type	Material	Surface Treatment	Bearing	Accessories
C-ROFAN	C-ROFAC	Aluminum	Clear Anodized	Steel	Retaining ring (Spring Steel)

Feature of Idlers 1: ordinary flanged type, and arc type effectively restraining running deviation are available, suitable for conveying design, and also playing an effect of tensioning the belt.
Feature of Idlers 2: Coaxial degree of less than ⊙0.05mm, effectively reducing the belt vibration when running
Specifications Drawing of MISUMI Flat-belt Idlers

Specifications Drawing of MISUMI Flat-belt Idlers

Feature of Idlers 3: Selecting MISUMI Economy series bearing.

Dimensional Drawing of Idlers

Bearing is pressed fit.
Idlers

Bearing cannot be removed.
Idlers

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

Usage Method of Idlers

■ Intend Use for Flat-belt Pulleys/Idlers

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

Example Use of Idlers

■ Mechanism name of Idlers
2-row flat belt conveyor

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

■ Function of flat-belt pulleys
The drive flat-belt pulleys and the driven flat belt idler drive the flat belt to carry out the conveying operation.

Related Industries of Idlers

Smart phone	Medical	Electronic & Electrical Appliances

Automotive	Robotics	Lithium battery

Precautions of Idlers

① The tolerance accuracy of Dimension T of the belt groove is ±0.2mm. Please select the pulley/Idlers model after confirming the width tolerance of the flat belt.

Related Products of Idlers

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

Typical model of Idlers: HBG15-6	Typical model of Idlers: HBLT350-4.23	Typical model of Idlers: HTPA48S2M040-B-N10
Advantages of Idlers: short delivery time, multiple types	Advantages of Idlers: custom size	Advantages of Idlers: short delivery time, multiple types

Specification Table of Idlers

Please order after selecting part number and parameters according to the selection steps Idlers

		Part Number (Type·D)	－	d	－	L	－	H
		C-ROFAN15 C-ROFAC15	－－	6 6	－－	L25 L25	－	H0.8

■ Dimension Specification Table of Idlers

Part Number		d	L	d₁	Bearing size
Type	D	d	L	d₁	No.	D₁	B
Straight type C-ROFAN	15	6	25 40 50	9	C-E676ZZ	10	3
	20	8	25 30	10	C-E678ZZ	12	3.5
	30	8	50 60	15	C-E698ZZ	19	6
	40	10	40	17	C-E6000ZZ	26	8
	50	20	30 50	27	C-E6904ZZ	37	9

Part Number		d	L	H	d₁	Bearing size
Type	D	d	L	H	d₁	No.	D₁	B
Arc Type C-ROFAC	15	6	25 50	0.8	9	C-E676ZZ	10	3
	20	8	25 30 40 50		10	C-E678ZZ	12	3.5
	30	12	30 40 50 60		15	C-E6901ZZ	24	6
	40	10	30 40 60		17	C-E6000ZZ	26	8
	50	15	50 60		27	C-E6902ZZ	28	7

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
C-ROFAC15-6-L25-H0.8
C-ROFAC15-6-L50-H0.8
C-ROFAC20-8-L25-H0.8
C-ROFAC20-8-L30-H0.8
C-ROFAC20-8-L40-H0.8
C-ROFAC20-8-L50-H0.8
C-ROFAC30-12-L30-H0.8
C-ROFAC30-12-L40-H0.8
C-ROFAC30-12-L50-H0.8
C-ROFAC30-12-L60-H0.8
C-ROFAC40-10-L30-H0.8
C-ROFAC40-10-L40-H0.8
C-ROFAC40-10-L60-H0.8
C-ROFAC50-15-L50-H0.8
C-ROFAC50-15-L60-H0.8
C-ROFAN15-5-L25
C-ROFAN15-5-L30
C-ROFAN15-6-L40
C-ROFAN15-6-L50
C-ROFAN20-6-L25
C-ROFAN20-6-L40
C-ROFAN20-8-L25
C-ROFAN20-8-L30
C-ROFAN20-8-L35
C-ROFAN20-8-L50
C-ROFAN20-8-L60
C-ROFAN25-6-L25
C-ROFAN25-6-L40
C-ROFAN25-8-L50
C-ROFAN30-8-L50
C-ROFAN30-8-L60
C-ROFAN30-10-L50
C-ROFAN30-10-L60
C-ROFAN30-10-L70
C-ROFAN30-12-L25
C-ROFAN30-12-L30
C-ROFAN30-12-L50
C-ROFAN40-10-L40
C-ROFAN40-15-L25
C-ROFAN50-20-L30
C-ROFAN50-20-L50

Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Shape	Outer Dia. D (Ø)	Shaft (Bore) Dia. d (mm)	L Dimension (mm)
₹ 1,137.80	1 Piece(s)	Available	7 Day(s)	10	Crowned	15	6	25
₹ 1,217.89	1 Piece(s)	Available	7 Day(s)	10	Crowned	15	6	50
₹ 1,308.81	1 Piece(s)	Available	7 Day(s)	10	Crowned	20	8	25
₹ 1,263.37	2 Piece(s)	Available	7 Day(s)	10	Crowned	20	8	30
₹ 1,375.13	2 Piece(s)	Available	7 Day(s)	10	Crowned	20	8	40
₹ 1,406.79	1 Piece(s)	Available	7 Day(s)	10	Crowned	20	8	50
₹ 1,584.64	1 Piece(s)	Available	7 Day(s)	10	Crowned	30	12	30
₹ 1,627.38	1 Piece(s)	Available	7 Day(s)	10	Crowned	30	12	40
₹ 1,668.76	1 Piece(s)	Available	7 Day(s)	10	Crowned	30	12	50
₹ 1,721.19	2 Piece(s)	Available	7 Day(s)	10	Crowned	30	12	60
₹ 1,605.41	2 Piece(s)	Available	7 Day(s)	10	Crowned	40	10	30
₹ 1,814.91	2 Piece(s)	Available	7 Day(s)	10	Crowned	40	10	40
₹ 1,881.20	2 Piece(s)	Available	7 Day(s)	10	Crowned	40	10	60
₹ 2,350.12	1 Piece(s)	Available	7 Day(s)	10	Crowned	50	15	50
₹ 2,689.23	2 Piece(s)	Available	7 Day(s)	10	Crowned	50	15	60
₹ 1,559.00	2 Piece(s)	Available	7 Day(s)	10	Straight	15	5	25
₹ 1,566.00	2 Piece(s)	Available	7 Day(s)	10	Straight	15	5	30
₹ 1,165.46	1 Piece(s)	Available	7 Day(s)	10	Straight	15	6	40
₹ 1,107.44	2 Piece(s)	Available	7 Day(s)	10	Straight	15	6	50
₹ 1,737.00	2 Piece(s)	Available	7 Day(s)	10	Straight	20	6	25
₹ 1,805.00	2 Piece(s)	Available	7 Day(s)	10	Straight	20	6	40
₹ 1,303.33	1 Piece(s)	Available	7 Day(s)	10	Straight	20	8	25
₹ 1,337.75	2 Piece(s)	Available	7 Day(s)	10	Straight	20	8	30
₹ 1,792.00	2 Piece(s)	Available	7 Day(s)	10	Straight	20	8	35
₹ 1,800.00	2 Piece(s)	Available	7 Day(s)	10	Straight	20	8	50
₹ 1,914.00	2 Piece(s)	Available	7 Day(s)	10	Straight	20	8	60
₹ 1,801.00	2 Piece(s)	Available	7 Day(s)	10	Straight	25	6	25
₹ 1,801.00	2 Piece(s)	Available	7 Day(s)	10	Straight	25	6	40
₹ 2,296.00	2 Piece(s)	Available	7 Day(s)	10	Straight	25	8	50
₹ 1,540.43	1 Piece(s)	Available	7 Day(s)	10	Straight	30	8	50
₹ 1,692.22	1 Piece(s)	Available	7 Day(s)	10	Straight	30	8	60
₹ 2,202.00	2 Piece(s)	Available	7 Day(s)	10	Straight	30	10	50
₹ 2,178.00	2 Piece(s)	Available	7 Day(s)	10	Straight	30	10	60
₹ 2,272.00	2 Piece(s)	Available	7 Day(s)	10	Straight	30	10	70
₹ 2,104.00	2 Piece(s)	Available	7 Day(s)	10	Straight	30	12	25
₹ 2,119.00	2 Piece(s)	Available	7 Day(s)	10	Straight	30	12	30
₹ 2,203.00	2 Piece(s)	Available	7 Day(s)	10	Straight	30	12	50
₹ 1,848.17	2 Piece(s)	Available	7 Day(s)	10	Straight	40	10	40
₹ 2,146.00	2 Piece(s)	Available	7 Day(s)	10	Straight	40	15	25
₹ 2,086.72	1 Piece(s)	Available	7 Day(s)	10	Straight	50	20	30
₹ 2,319.61	2 Piece(s)	Available	7 Day(s)	10	Straight	50	20	50

Basic Information

Type	Idlers (Bearing Built-in)	Surface Urethane	Urethane Not Provided	Material	Aluminum Alloy
Surface Treatment	Clear Anodize

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

Frequently asked question (FAQ)

Question: Does flat belt idlers have concentricity standard?: Answer: Economy series flat belt pulley and idler coaxiality is
Question: Can the flat belt idler bearing be disassembled.: Answer: According to different products, there are two types of MISUMI flat belt idlers: bearing press-fit type and bearing removal type. Therefore, during the design process, please design and use after the customer confirms the characteristics of the product.
Question: What precision bearings are used for flat belt idlers?: Answer: MISUMI flat belt idlers use radial bearings of accuracy grade 0. For specific dimensions of the bearings, please refer to Economy series Bearing Small diameter ball.

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