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Flat Belt Pulleys Medium Length (Part Numbers)
- Volume Discount
Part Number
Configured Part Number is shown.
C-ROBAC20-N8-30
Product Overview of Flat Belt Pulleys
Driving and transmission are realized through the friction fit between flat-belt pulleys and flat belts.
Product Feature of Flat Belt Pulleys
| Type |  Material |  Surface Treatment |
| Arc Type | ||
| C-ROBAC | Aluminum | Clear Anodized |
Feature of Flat Belt Pulleys 1: The arc-shaped specification can effectively restrain belt deviation
Feature of Flat Belt Pulleys 2: Coaxial degree of less than ⊙0.05mm, effectively reducing the belt vibration when running
Feature of Flat Belt Pulleys 3: Locking threaded hole is changed to 120°, and tightening torque is increased by 11.8%.
Dimensional Drawing of Flat Belt Pulleys
■ Keyway size of Flat Belt Pulleys
| Nominal model | dH7 | bJS9 | t Tolerance |  | ||||
| N8 | 8 | +0.015 0 | 3 | ±0.0125 | 1.4 | +0.1 0 | ||
| N10 | 10 | |||||||
| N12 | 12 | +0.018 0 | 4 | ±0.0150 | 1.8 | |||
| N15 | 15 | 5 | 2.3 | |||||
| N20 | 20 | +0.021 0 | 6 | 2.8 | ||||
| N30 | 30 | 8 | ±0.0180 | 3.3 | +0.2 0 | |||
| N40 | 40 | +0.025 0 | 12 | ±0.0215 | ||||
[Surface Treatment] Clear Anodized
Usage Method of Flat Belt Pulleys
| Usage Method Example Drawing | Use Instructions for Flat-belt Pulleys | |
 | The workpiece can be transmitted by the combined use of flat-belt pulleys, flat-belt idlers and flat belts. The flat-belt idlers can also play the role of tensioning the belt. | |
Example Use of Flat Belt Pulleys
2-row flat belt conveyor
Mechanism function of Flat Belt Pulleys
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 Flat Belt Pulleys
| Smart phone | Medical | Electronic & Electrical Appliances | ||
 |  |  | ||
| Automotive | Robotics | Lithium battery | ||
 |  |  |
Related Products of Flat Belt Pulleys
| Flat-belt idlers, Width (T), 6 to 32 mm | Flat Belts for General Use | High Torque Timing Pulleys S2M Type | ||
 |  |  | ||
| Typical model: HBG15-6 | Typical model: HBLT350-4.23 | Typical model: HTPA48S2M040-B-N10 | ||
| Advantages: short delivery time, multiple types | Advantage: custom size | Advantages: short delivery time, multiple types |
Specification Table of Flat Belt Pulleys
to 
. | Part Number (Type· D) | － |  d | － | L | |
| C-ROBAC15 | － | N8 | － | 25 |
■ Dimension Specification Table of Flat Belt Pulleys
| Part Number | D | dH7 | L | H | Key Length | M | ℓ | F | ||||
| Type | Keyway Hole + Threaded Hole | K | ||||||||||
| Arc Type C-ROBAC | 15 | N8 | 25 | 30 | 40 | 50 | 0.8 | 25 | M3 | 3.5 | - | |
| 20 | N8 | 25 | 30 | 40 | 50 | 25 | - | |||||
| 30 | N12 | 30 | 40 | 50 | 60 | 30 | 31 | |||||
| 40 | N12 | 30 | 40 | 50 | 60 | 30 | 41 | |||||
| 50 | N20 | 50 | 60 | 30 | M5 | 4 | 51 | |||||
to 
. | Part Number (Type· D) | － |  d | － | L | |
| C-ROBAC15 | － | N8 | － | 25 |
■ Dimension Specification Table
| Part Number | D | dH7 | L | H | Key Length | M | ℓ | F | ||||
| Type | Keyway Hole + Threaded Hole | K | ||||||||||
| Arc Type C-ROBAC | 15 | N8 | 25 | 30 | 40 | 50 | 0.8 | 25 | M3 | 3.5 | - | |
| 20 | N8 | 25 | 30 | 40 | 50 | 25 | - | |||||
| 30 | N12 | 30 | 40 | 50 | 60 | 30 | 31 | |||||
| 40 | N12 | 30 | 40 | 50 | 60 | 30 | 41 | |||||
| 50 | N20 | 50 | 60 | 30 | M5 | 4 | 51 | |||||
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 | Pulleys | With or w/o Flange | No Flange | Shape | Crowned |
|---|---|---|---|---|---|
| Surface Urethane | Urethane Not Provided | Material | Aluminum Alloy | Surface Treatment | Clear Anodize |
| Shaft Hole Specifications | New JIS Keyway + Tap |
Please check the type/dimensions/specifications of the part C-ROBAC20-N8-30 in the Flat Belt Pulleys 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: Is there a concentricity standard for the flat belt pulley?
-
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-ROBAC15-N8-40 |
| C-ROBAC15-N8-50 |
| C-ROBAC20-N8-25 |
| C-ROBAC20-N8-40 |
| C-ROBAC20-N8-50 |
| C-ROBAC30-N12-30 |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Outer Dia. D (Ø) | Shaft (Bore) Dia. d (mm) | L Dimension (mm) |
|---|---|---|---|---|---|---|---|
MYR 32.73 | 2 Piece(s) | Available | 5 Day(s) | 15 | 8 | 40 | |
MYR 34.47 | 1 Piece(s) | Available | 1 Day(s) | 15 | 8 | 50 | |
MYR 36.22 | 2 Piece(s) | Available | 5 Day(s) | 20 | 8 | 25 | |
MYR 39.72 | 2 Piece(s) | Available | 5 Day(s) | 20 | 8 | 40 | |
MYR 41.45 | 1 Piece(s) | Available | 1 Day(s) | 20 | 8 | 50 | |
MYR 54.20 | 2 Piece(s) | Available | 5 Day(s) | 30 | 12 | 30 |
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