(!)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
- Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 9/2/2025 to 7:00 (MYT) 10/2/2025. We apologize for the inconvenience.
- Please note that E-Invoice will be sent to our customers by email. For more information, please read News.
Flat Belt Pulleys, Idlers（Shape：Crosspiece Groove Straight）
Search by specifying the lower class category
| Days to Ship |
|
|---|
-
MISUMI
· Product type: Idlers.
· Idlers type: Bearing Built-in.
· Shape of Idlers: Straight type, Crosspiece Groove Straight Type and Crowned Type.
· Shaft Type : Bearing on Each End (2-Bearing in Total)
· The product code series Straight type: RFWAS and RFWWS.
· The product code series Crosspiece Groove Straight: RFWAC and RFWWC.
· The product code series Crowned Type: RFWAM and RFWWM.
· Idlers Material: Aluminum Alloy
· Outer Diameter: 18-78. mm.
· Shaft (Bore) Diameter: 8-15 mm.
· Length: 110-510 mm.
· MC Nylon Flat Idler MCFDays to Ship: 9 Day(s) -
Economy Pulleys for Flat Belts-Crowned Type/Crosspiece Groove Straight Type/Width L110-510
MISUMI
· Product type : Pulleys.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: RBWAC and RBWWC.
· The series code of Crosspiece Groove type: RBWAM and RBWWM.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy.
· Press Fit Bushing Material: Aluminum Alloy.
· Surface Treatment solution: Clear Anodize (For only RBWWC and RBWWM type)
· Outer Diameter: 18-78 mm.
· Shaft (Bore) Diameter: 8-50 mm.
· Length: 110-510 mm.
· Economy Idlers for Flat Belts-Straight Type/ Crosspiece Groove Straight Type/ Crowned Type.Days to Ship: 7 Day(s) -
Pulleys for Flat Belts (Width L=25 ~ 100) - Crowned, Crosspiece Groove Straight
MISUMI
· The Pulleys for Flat Belts ROBAC, ROBACF, and ROBAM types are specific pulleys manufactured by MISUMI.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: ROBAC, ROBACF.
· The series code of Crosspiece Groove type: ROBAM.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy.
· Surface Treatment solution: Clear Anodize
· Outer Diameter: 15-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 25-100 mm.
· Idlers for Flat Belts (Width L25-100) -Straight Type/Crosspiece Groove Straight Type/Crowned TypeDays to Ship: 6 Day(s) or more -
Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L25-100
MISUMI
· Product type: Idlers.
· Idlers type: Bearing Built-in.
· Shape of Idlers: Straight type, Crosspiece Groove Straight Type and Crowned Type.
· Shaft Type : Bearing on Each End (2-Bearing in Total)
· The product code series Straight type: ROFAN and ROFAF.
· The product code series Crosspiece Groove Straight: ROFAM.
· The product code series Crowned Type: ROFAC.
· Idlers Material: Aluminum Alloy
· Surface Treatment solution: Clear Anodize
· Outer Diameter: 15-80 mm.
· Shaft (Bore) Diameter: 5-35 mm.
· Length: 25-100 mm.
· Pulleys for Flat Belts - Flanged, Crowned, Press-Fit UrethaneDays to Ship: 7 Day(s) or more -
Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500
MISUMI
· Product type: Idlers.
· Idlers type: Bearing Built-in.
· Shape of Idlers: Straight type, Crosspiece Groove Straight Type and Crowned Type.
· Shaft Type : Bearing on Each End (2-Bearing in Total)
· The product code series Straight type: ROFAWC, ROFMWC and ROFSWC
· The product code series Crowned Type: ROFAWT, ROFMWT and ROFSWT
· The product code series Crosspiece Groove Straight: ROFAWM, ROFMWM and ROFSWM
· Outer Diameter: 30-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 110-510 mm.
· Idler Engineering Plastic Roller, Steel Roller (TC-RP, TC-RU)Days to Ship: 7 Day(s) or more -
Pulley for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Width L110-500
MISUMI
· The Pulleys for Flat Belts ROBAWC, ROBMWC, ROBSWC, ROBAWM, ROBMWM and ROBSWM types are specific pulleys manufactured by MISUMI.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: ROBAWC, ROBMWC and ROBSWC.
· The series code of Crosspiece Groove type: ROBAWM, ROBMWM and ROBSWM.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy, STKM13A and SUS304.
· Outer Diameter: 30-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 110 - 510 mm.
· Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned TypeDays to Ship: 7 Day(s) -
Pulleys for Flat Belts with Urethane (Width L=25 ~ 100) - Crowned, Crosspiece Groove Straight
MISUMI
· Product type : Pulleys.
· Shaft of Pulleys : Crowned and Crosspiece Groove Straight type.
· The series code of Crowned type: RWCUN RWCUF RWMUN and RWMUF.
· The series code of Crosspiece Groove type: RWCGN RWCGF RWMGN and RWMGF.
· Shaft Type : Round Hole.
· Flange: Flange type and No Flange.
· Core Material: Aluminium A5052.
· Lining Material: Urethane (Natural Color)
· Urethane Hardness: Shore A90 and Shore A70.
· Outer Diameter: 15-80 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length: 25-100 mm.
· Economy Pulleys for Flat Belts-Crowned Type/Crosspiece Groove Straight Type/Width L110-510Days to Ship: 8 Day(s) or more -
Days to Ship: 7 Day(s) or more -
Economy Pulleys for Flat Belts with Urethane-Crowned/Crosspiece Groove Straight
MISUMI
· Shape of Pulleys: Crowned and Crosspiece Groove Straight.
· The series code of Crowned type: RWBCU and RWBCG.
· The series code of Crosspiece Groove Straight type: RWBMU and RWBMG.
· Shaft Type : Round Hole.
· Pulleys Body Material: Aluminum Alloy.
· Lining material: Urethane (Natural Color).
· Hardness: Shore A70 and Shore A90.
· Outer Diameter: 28 - 78 mm.
· Shaft (Bore) Diameter: 8-35 mm.
· Length dimension: 110 - 500 mm.
· The urethane-coated is specially coated or designed to minimize friction and wear.
· NIP, NIPA, NIPS, NIP-SUS Pulley IdlerDays to Ship: 11 Day(s) or more -
Days to Ship: 7 Day(s) or more
| Brand |
|---|
| Product Series |
| CAD |
| Days to Ship |
| Shape |
| With or w/o Flange |
| Outer Dia. D(Ø) |
| Nominal Width T(mm) |
| Length L(mm) |
| Flange Shape |
| Type |
| Material |
| Shaft Type |
| Surface Urethane |
| Shaft (Bore) Dia. d(mm) |
| Surface Treatment |
| Shaft Type |
|
|
|
|
|
|
|
|
|
| |
| Brand | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI |
| Product Series | Economy Pulleys for Flat Belts-Crowned Type/Crosspiece Groove Straight Type/Width L110-510 | Pulleys for Flat Belts (Width L=25 ~ 100) - Crowned, Crosspiece Groove Straight | Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L25-100 | Idlers for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Crowned Type/Width L110-500 | Pulley for Flat Belts-Straight Type/Crosspiece Groove Straight Type/Width L110-500 | Pulleys for Flat Belts with Urethane (Width L=25 ~ 100) - Crowned, Crosspiece Groove Straight | Economy Pulleys for Flat Belts with Urethane-Crowned/Crosspiece Groove Straight | |||
| CAD |
|
|
|
|
|
|
|
| ||
| Days to Ship | 9 Day(s) | 7 Day(s) | 6 Day(s) or more | 7 Day(s) or more | 7 Day(s) or more | 7 Day(s) | 8 Day(s) or more | 7 Day(s) or more | 11 Day(s) or more | 7 Day(s) or more |
| Shape | Crosspiece Groove Straight | Crosspiece Groove Straight | Crosspiece Groove Straight | Crosspiece Groove Straight | Crosspiece Groove Straight | Crosspiece Groove Straight | Crosspiece Groove Straight | Crosspiece Groove Straight | Crosspiece Groove Straight | Crosspiece Groove Straight |
| With or w/o Flange | No Flange | No Flange | No Flange | No Flange | No Flange | No Flange | Flange / No Flange | No Flange | No Flange | No Flange |
| Outer Dia. D(Ø) | 38 ～ 78 | 38 ～ 78 | 30 ～ 80 | 30 ～ 80 | 30 ～ 80 | 30 ～ 80 | 40 ～ 80 | 30 ～ 80 | 48 ～ 78 | 30 ～ 80 |
| Nominal Width T(mm) | - | - | - | - | - | - | - | - | - | - |
| Length L(mm) | ~300 / ~500 | ~300 / ~500 | ~50 / ~100 | ~50 / ~100 | ~300 / ~500 | ~300 / ~500 | ~50 / ~100 | ~50 / ~100 | ~300 / ~500 | ~300 / ~500 |
| Flange Shape | - | - | - | - | - | - | - | - | - | - |
| Type | Idlers (Bearing Built-in) | Pulleys | Pulleys | Idlers (Bearing Built-in) | Idlers (Bearing Built-in) | Pulleys | Pulleys | Idlers (Bearing Built-in) | Pulleys | Idlers (Bearing Built-in) |
| Material | Aluminum | Aluminum | Aluminum | Aluminum | Steel / Aluminum / Stainless Steel | Steel / Aluminum / Stainless Steel | Aluminum | Aluminum | Aluminum | Steel / Aluminum / Stainless Steel |
| Shaft Type | 1-Bearing on Each End (2-Bearing in Total) | Round Hole | Round Hole | 1-Bearing on Each End (2-Bearing in Total) | 1-Bearing on Each End (2-Bearing in Total) | Round Hole | Round Hole | 1-Bearing on Each End (2-Bearing in Total) | Round Hole | 1-Bearing on Each End (2-Bearing in Total) |
| Surface Urethane | Urethane Not Provided | Urethane Not Provided | Urethane Not Provided | Urethane Not Provided | Urethane Not Provided | Urethane Not Provided | Urethane Provided | Urethane Not Provided | Urethane Provided | Urethane Not Provided |
| Shaft (Bore) Dia. d(mm) | 12 ～ 40 | 12 ～ 50 | 8 ～ 35 | 8 ～ 35 | 8 ～ 35 | 8 ～ 35 | 12 ～ 35 | 8 ～ 35 | 10 ～ 35 | 8 ～ 35 |
| Surface Treatment | Not Provided / Clear Anodize | Not Provided / Clear Anodize | Clear Anodize | Clear Anodize | Not Provided / Electroless Nickel Plating / Clear Anodize | Not Provided / Electroless Nickel Plating / Clear Anodize | Not Provided | Clear Anodize | Not Provided | Not Provided / Electroless Nickel Plating / Clear Anodize |
| Shaft Type | - | Tap / Keyway + Tap | Tap / Keyway + Tap | - | - | Tap / Keyway + Tap | Tap | - | Tap / Keyway + Tap | - |
Loading...
Configure
Specification/Dimensions
-
Shape
-
Straight -
Crowned -
Crosspiece Groove Straight
-
-
With or w/o Flange
-
Flange -
No Flange
-
-
Outer Dia. D(Ø)
-
Nominal Width T(mm)
-
Length L(mm)
- ~50
- ~100
- ~300
- ~500
-
Flange Shape
-
Type
- Idlers (Bearing Built-in)
- Pulleys
-
Material
- Steel
- Aluminum
- Stainless Steel
- Plastic
-
Shaft Type
-
Round Hole -
1-Bearing -
2-Bearing at Center -
1-Bearing on Each End (2-Bearing in Total) -
With Shaft
-
-
Surface Urethane
-
Shaft (Bore) Dia. d(mm)
-
Surface Treatment
-
Shaft Type
Narrow search by specifying Manufacturer
CAD
-
- 2D
- 3D
Related Categories to Flat Belt Pulleys, Idlers
- 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