Flat Belt Pulleys Short Length

Brand :
MISUMI
Caution
Feature of Flat Belt Pulleys 1: Coaxial degree of less than ⊙0.05mm, effectively reducing the belt vibration when running

Feature of Flat Belt Pulleys 2: adding knurled surface specifications, increasing anti-slip capacity by 4.7 times.

Feature of Flat Belt Pulleys 3: Locking threaded hole is changed to 120°, 11.8% increase in tightening torque.


■ 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 | |
| Non knurled | With knurled | ||
| C-HBPA | C-HBPAH | Aluminum | Clear Anodized |
Feature of Flat Belt Pulleys 1: Coaxial degree of less than ⊙0.05mm, effectively reducing the belt vibration when running

Feature of Flat Belt Pulleys 2: adding knurled surface specifications, increasing anti-slip capacity by 4.7 times.

Feature of Flat Belt Pulleys 3: Locking threaded hole is changed to 120°, 11.8% increase in tightening torque.

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 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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Precautions of Flat Belt Pulleys
① The tolerance accuracy of Dimension T of the belt groove is ±0.2mm. Please select the pulley model after confirming the width tolerance of the flat belt.
② Flat Belt Pulleys for hole specifications round hole + threaded hole or keyway + threaded hole, the fixing screws are not included.
② Flat Belt Pulleys for hole specifications round hole + threaded hole or keyway + threaded hole, the fixing screws are not included.
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
to
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■ Dimension Specification Table of Flat Belt Pulleys
to
.![]() | Part Number ( Type· D) | - | d | - | L | |
| C-HBPA20-P8-6 | - | P8 | - | 6 |
■ Dimension Specification Table of Flat Belt Pulleys
| Style | Shaft Hole Specifications | D | dH7 | T | D1 | ℓ | ℓ1 | M (Coarse Thread) | L |
Type | P Hole/N Hole | ||||||||
| Flanged Type C-HBPA (Not Knurled) | P (Round Hole+Threaded Hole) | 20 | P5 | 6 | 16 | 8 | 4 | 3 | T+2 |
| 11 | |||||||||
| P8 | 6 | ||||||||
| 11 | |||||||||
| 30 | P6 | 11 | 20 | ||||||
| P8 | 11 | ||||||||
| P10 | 16 | ||||||||
| P12 | 6 | ||||||||
| 40 | P10 | 11 | |||||||
| N (Keyway + Threaded Hole) | 30 | N8 | 21 | 20 | 8 | 4 | 3 | T+2 | |
| N10 | 11 | ||||||||
| 21 | |||||||||
| N12 | 16 | ||||||||
| 35 | N12 | 16 | |||||||
| 40 | N12 | 11 | |||||||
| 16 | |||||||||
| 50 | N12 | 32 | 30 | 12 | 6 | 5 |
| Style | Shaft Hole Specifications | D | dH7 | T | D1 | ℓ | ℓ1 | M (Coarse Thread) | L |
Type | P Hole/N Hole | ||||||||
| Flanged Type C-HBPAH (Knurled Surface) | P (Round Hole+Threaded Hole) | 20 | P5 | 11 | 16 | 8 | 4 | 3 | T+2 |
| P8 | 11 | ||||||||
| 30 | P6 | 11 | 20 | ||||||
| P8 | 11 | ||||||||
| P10 | 16 | ||||||||
| 35 | P12 | 11 | |||||||
| 40 | P10 | 11 | |||||||
| P10 | 16 | ||||||||
| N (Keyway + Threaded Hole) | 30 | N8 | 21 | 20 | 8 | 4 | 3 | T+2 | |
| N10 | 11 | ||||||||
| 16 | |||||||||
| 21 | |||||||||
| N12 | 16 | ||||||||
| 35 | N12 | 16 | |||||||
| 40 | N12 | 11 | |||||||
| 16 | |||||||||
| 32 | |||||||||
| 50 | N12 | 32 | 30 | 12 | 6 | 5 |
Material
Surface Treatment











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