Flat Belt Pulleys Medium Length

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MISUMI
- **RoHS Compliant is available for some part numbers.
Please contact with MISUMI for detail effective date.
This is an economy item, The price is cheaper than the MISUMI standard product.
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%.


■ Keyway size of Flat Belt Pulleys
[Pulley Material] Aluminum Alloy
[Surface Treatment] Clear Anodized
Product Overview of Flat Belt Pulleys
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.
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
■ Intend Use for 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

■ Mechanism name 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.
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 | ||
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| Automotive | Robotics | Lithium battery | ||
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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
Please order after selecting part number and parameters according to the selection steps
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■ Dimension Specification Table of Flat Belt Pulleys
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.![]() | 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 | |||||
Material
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