(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
50,000 Stock items for Same Day Ship Out.
All Categories
Categories
- Automation Components
A wide variety of standard and configurable components for factory automation engineers in industries such as automotive, semiconductor, packaging, medical and many more.
- Linear Motion
- Rotary Motion
- Connecting Parts
- Rotary Power Transmission
- Motors
- Conveyors & Material Handling
- Locating, Positioning, Jigs & Fixtures
- Inspection
- Sensors, Switches
- Pneumatics, Hydraulics
- Vacuum Components
- Hydraulic Equipment
- Discharging / Painting Devices
- Pipe, Tubes, Hoses & Fittings
- Modules, Units
- Heaters, Temperature Control
- Framing & Support
- Casters, Leveling Mounts, Posts
- Doors, Cabinet Hardware
- Springs, Shock Absorbers
- Adjusting, Fastening, Magnets
- Antivibration, Soundproofing Materials, Safety Products
- Fasteners
A good selection of accessories such as screws, bolts, washers and nuts that you may need for your daily engineering usage.
- Materials
Browse industrial materials ranging from heat insulating plates, sponges, to metal and plastic materials in different sizes to meet your various applications.
- Wiring Components
A wide variety of wiring parts for connecting and protecting control and PC parts including Connectors, Cables, Electric Wires, Crimping Terminals and more.
- LAN Cables / Industrial Network Cables
- Cables by Application
- Cables with Connectors
- RS232 / Personal Computers / AV Cables
- Wires/Cables
- Connectors (General Purpose)
- Crimp Terminals
- Zip Ties
- Cable Glands
- Cable Bushings/Clips/Stickers
- Screws/Spacers
- Cable Accessories
- Tubes
- Protection Tubes
- Ducts/Wiremolds
- General Purpose Tools
- Dedicated Tools
- Soldering Supplies
- Electrical & Controls
A wide variety of controls and PC parts for electrical engineers including Controls, Powers, PC parts and more.
- Cutting Tools
A wide variety of cutting tools for many uses and work materials including End Mills, Drills, Cutters, Reamers, Turning Tools and more.
- Carbide End Mills
- HSS End Mills
- Milling Cutter Inserts/Holders
- Customized Straight Blade End Mills
- Dedicated Cutters
- Turning Tools
- Drill Bits
- Screw-Hole-Related Tools
- Reamers
- Chamfering / Centering Tools
- Fixtures Related to Cutting Tools
- Step Drills
- Hole Saws
- Clean Key Cutters
- Core Drills (Tip Tools)
- Magnetic Drilling Machine Cutters
- Drill Bits for Electric Drilling Machines
- Woodworking Drill Cutters
- Drills for Concrete
- Processing Tools
A wide variety of tools and supplies used in processing including Machine Tools, Measurement Tools, Grinding and Polishing Supplies and more.
- Material Handling & Storage
A wide variety of goods used in shipment, material handling and warehouse including Tape supplies, Stretch film, Truck, Shelf, Crane and more.
- Tape Supplies
- Cushioning Materials
- Stretch Films
- Cardboard
- Plastic Bags
- PP Bands
- Magic Tapes / Tying Belts
- Rubber Bands
- Strings/Ropes
- Cable Ties
- Tags
- Labelers
- Unpacking Cutters
- Packing Support Equipment
- Cloth Sheets for Packing
- Conveyance/Dolly Carts
- Tool Wagons
- Tool Cabinets / Container Racks
- Lifters / Hand Pallets
- Container Pallets
- Storage Supplies
- Shelves/Racks
- Work Benches
- Suspended Clamps/Suspended Belts
- Jack Winches
- Chain Block Cranes
- Bottles/Containers
- Bicycle Storage Area
- Safety & General Supplies
A large variety of goods for every kind of factories and offices including Protection items, Cleaning supplies, sanitations, office supplies and more.
- Lab & Clean Room Supplies
A large variety of items used in R&D and Clean Room including research Equipment, Laboratory Essentials, Analysis Supplies, Clean Environment-Related Equipment and more.
- Press Die Components
Choose from thousands of standard stamping die components including Punch & Die, Gas Springs, Guide Components, Coil Springs and many more.
- Plastic Mold Components
Browse our wide variety of mold components including Ejector Pins, Sleeves, Leader Components, Sprue Bushings and many more.
- Ejector Pins
- Sleeves, Center Pins
- Core Pins
- Sprue bushings, Gates, and other components
- Date Mark Inserts, Recycle Mark Inserts, Pins with Gas Vent
- Undercut, Plates
- Leader Components, Components for Ejector Space
- Mold Opening Controllers
- Cooling or Heating Components
- Accessories, Others
- Components of Large Mold, Die Casting
- Injection Molding Components
Browse our injection molding components including Heating Items, Couplers, Hoses and more.
- Purging Agent
- Injection Molding Machine Products
- Accessories of Equipment
- Auxiliary Equipment
- Air Nippers
- Air Cylinders
- Air Chuck for Runner
- Chuck Board Components
- Frames
- Suction Components
- Parallel Air Chuck
- Special Air Chuck
- Chemical for Injection Molding
- Mold Maintenance
- Heating Items
- Heat Insulation Sheets
- Couplers, Plugs, One-touch Joints
- Tubes, Hoses, Peripheral Components
Search by Application
Brands
- Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
- Please note that E-Invoice will be sent to our customers by email. For more information, please read News.
Flat Belt Idlers Medium Length (C-ROFAN25-8-L50)
- Volume Discount
· 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
Part Number
Configured Part Number is shown.
C-ROFAN25-8-L50
Economy Flat Belt Idlers Medium Length
- 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 Support
Product Overview of Idlers
Product Feature of Idlers
| Type of Idlers |  Material |  Surface Treatment | Material |  Accessories | |
| Straight Type of Idlers | Arc Type | Bearing | |||
| 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
Feature of Idlers 3: Selecting MISUMI Economy series bearing.
Dimensional Drawing of Idlers
Bearing is pressed fit.Bearing cannot be removed.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
| 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
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
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
to 
. | 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 | 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 | 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
CAD Data download and 3D preview are not available because the part number has not yet been determined.
- *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
Basic Information
| Type | Idlers (Bearing Built-in) | Surface Urethane | Urethane Not Provided | Material | Aluminum Alloy |
|---|---|---|---|---|---|
| Surface Treatment | Clear Anodize |
Please check the type/dimensions/specifications of the part C-ROFAN25-8-L50 in the Flat Belt Idlers Medium Length series.
- 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.
Products like this...
| Part Number |
|---|
| C-ROFAC20-8-L30-H0.8 |
| C-ROFAC20-8-L40-H0.8 |
| C-ROFAC20-8-L50-H0.8 |
| C-ROFAN30-10-L50 |
| C-ROFAN30-10-L60 |
| C-ROFAN30-10-L70 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Shape | Outer Dia. D (Ø) | Shaft (Bore) Dia. d (mm) | L Dimension (mm) |
|---|---|---|---|---|---|---|---|---|
MYR 46.67 | 1 Piece(s) | Available | 1 Day(s) | Crowned | 20 | 8 | 30 | |
MYR 48.44 | 2 Piece(s) | Available | 5 Day(s) | Crowned | 20 | 8 | 40 | |
MYR 50.17 | 1 Piece(s) | Available | 1 Day(s) | Crowned | 20 | 8 | 50 | |
MYR 63.66 | 2 Piece(s) | Available | 5 Day(s) | Straight | 30 | 10 | 50 | |
MYR 65.30 | 2 Piece(s) | Available | 5 Day(s) | Straight | 30 | 10 | 60 | |
MYR 66.16 | 2 Piece(s) | Available | 5 Day(s) | Straight | 30 | 10 | 70 |
Additional Products in this Category
Tech Support
- Credit Card
- Bank Transfer
Social Media
MISUMI Contact
Copyright © MISUMI Corporation All Rights Reserved.
How can we improve?
How can we improve?
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy
Thank you for your cooperation.
While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.
Customer Privacy Policy