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Open End Belts S Type
Open End Belts S Type C-HTBO Series
It is a circular tooth profile open end timing belt. This belt always uses in an automation machine, moreover, it has varieties of pitches
[Features]
• Belt Shape: Open End
• Belt Tooth Type: S3M, S5M, S8M (round tooth profile)
• Tooth Pitch: 3, 5, 8 mm.
• Belt Width: 6, 10, 15, 25, 30 and 40 mm.
• Belt Operating Temperature Range: -20 to 60℃.
• Material:
Tooth rubber: White Urethane
Core wire: Steel wire
[Applications]
Suitable for use with a Clamp Plate for example C-TBCR-S3M, C-TBCR-S5M and C-TBCR-S8M
Part Number
Configured Part Number is shown.
Economy Timing Belt - Urethane
- Customizable Length: Select from a wide range of tooth numbers to precisely match your equipment requirements.
- Versatile Belt Widths: Available in multiple widths to accommodate various shaft sizes.
- Durable Urethane Material: Offers excellent resistance to abrasion, oil, and grease, ensuring long-lasting performance.
- Steel Cord Reinforcement: Provides exceptional strength and tensile strength, preventing belt elongation and slippage.
- Wide Operating Temperature Range: Functions reliably in temperatures from -20°C to 60°C.
MISUMI Standard
Cheaper Price
Product Variety
3D CAD Support
Product Overview
The free-end toothed timing belt is suitable for reciprocating motion and can be used in conjunction with metal parts for economy series timing belts.
Dimensional Drawing
■Material Table
 Material | |
| Body | Core Wire |
| Urethane (White) | Steel wire |
Specifications Overview
| Belt Type | Tooth pitch | Ra | Lr | H | h | i | Unit weight g/m (Width 10mm) |
| S3M | 3 | 1.95 | 1.95 | 1.94 | 1.14 | 0.8 | 25 |
| S5M | 5 | 3.25 | 3.25 | 3.41 | 1.91 | 1.5 | 39 |
| S8M | 8 | 5.2 | 5.2 | 5.3 | 3.05 | 2.25 | 51 |
Urethane timing belt may change color over time, but strength, etc. will not be affected.Operating temperature -20℃ to 60℃.Total length is number of teeth × tooth pitch. This is the calculated value. MISUMI takes the number of teeth as the basis for shipment.Specification Table
to 
.| Part Number Type | - |  Belt Number ·  Nominal Belt Width | - | Number of Teeth |
| C-HTBO | - | S5M100 | - | 1100 |
| Type | Belt Type | Belt Nominal Width | The number of teeth Lower Limit to Upper Limit (1 tooth increments) | Allowable tension (N) |
| C－HTBO | S3M | 060 (6mm) | 40~10000 | 127 |
| 100 (10mm) | 145 | |||
| 150 (15mm) | 159 | |||
| S5M | 100 (10mm) | 50~10000 | 215 | |
| 150 (15mm) | 323 | |||
| 250 (25mm) | 539 | |||
| S8M | 150 (15mm) | 60~10000 | 647 | |
| 250 (25mm) | 1176 | |||
| 300 (30mm) | 1412 | |||
| 400 (40mm) | 1882 |
Total length is (number of teeth × tooth pitch).kgf＝N×0.101972Product Features
Feature 2: There is no exposed steel core wire on the side of the timing belt to avoid scratching the workpiece or hurting the operator.
Feature 3: It can be used in conjunction with tooth plates for connecting toothed timing belts, linear guides, single-axis drives and other products, and is suitable for equipment with a high degree of automation.
Feature 4: STD toothed transmission accuracy is high, suitable for high torque transmission. S3M type is also available for small precision equipment.
Feature 5: Free-end toothed timing belts are lighter and produce less noise than chain-driven ones and cleaner without lubricant.
Precautions
① Avoid sunlight.
② Do not use in direct contact with water, solvent, oil, acid, alkali, UV, ozone, etc.
In particular, do not make oil adhere to the belt, otherwise it will cause the belt to swell, significantly shortening the life of the timing belt.
③ Operating temperature -20℃ to 60℃.
④ Do not accumulate in large quantities or forcibly bend.
⑤ Do not place it directly on the ground.
⑥ Do not make the belt contact with chemicals.
Example of Use
Function description:
The slit timing belt and the tooth plate for the connection of the timing belt are usually used in combination and applied in reciprocating motion mechanisms.
Application Industries
| Food | Semiconductor | Smart phone | ||
 |  |  | ||
| Medical | Electronic & Electrical Appliances | Lithium battery | ||
 |  |  |
Related Products
| (Economy Series) Slit Timing Belt | (Economy Series) Timing Pulley S3M | (Economy Series) Timing Belt Connecting Tooth Plate | ||
 |  |  | ||
| Typical model: C-TTBO-T5100-200 | Typical model: C-HTPA16S3M100-A-P5 | Typical model: C-TBCR-T5100 | ||
| Advantages: Number of teeth can be freely specified, suitable for reciprocating motion | Advantages: Less wear of timing belt and longer service life | Advantages: Can prevent the belt from being too tight |
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.
| Part Number |
|---|
| C-HTBO-S5M100-[50-10000/1] |
| C-HTBO-S5M150-[50-10000/1] |
| C-HTBO-S5M250-[50-10000/1] |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Belt Type | Belt Width (mm) (mm) |
|---|---|---|---|---|---|---|---|
- | 1 Piece(s) | 7 Day(s) | 10 | S5M | 10 | ||
- | 1 Piece(s) | 7 Day(s) | 10 | S5M | 15 | ||
- | 1 Piece(s) | 7 Day(s) | 10 | S5M | 25 |
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Basic Information
| Belt Shape | Open End | Belt Tooth Surface | Standard (Single Sided) | Belt Material | Polyurethane Belt |
|---|---|---|---|---|---|
| Core Wire Material | Steel Cord | Belt Shape Type | Round Tooth Profile Super Torque | Transmission Torque | Regular Torque Transmission |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked question (FAQ)
- Question: Urethane timing belt has changed color after being used for a period of time, will it affect the use?
- Answer: No, the urethane belt may change color over time, but there is no effect on strength, etc.
- Question: What kind of belt is better to use under conditions that require high cleanliness?
- Answer: The use of urethane belts is recommended, which has significantly improved dust drop, compared to the rubber belt.
- Question: The timing belt has been broken after use for a very short period of time. Is there a problem with the quality of the belt?
- Answer: The timing belt is a standard product, and the same batch of products have very few individual quality problems, please refer to Main causes of premature breakage and corresponding countermeasures to troubleshoot the equipment in use.
- Question: Can alteration be made to the timing belt?
- Answer: Alteration cannot be made to the circumference of the timing belt, and partial alteration can be made to the width.
- Question: Is there a recommendation for metal connectors for free-end toothed timing belt?
- Answer: Yes, the applicable connecting metal parts corresponding to each tooth shape are listed in the Specification Table, which can be purchased from MISUMI, please use as reference.
- Question: What are the two main types of timing belts according to their functions? What is the role?
- Answer: Timing belts are mainly divided into transmission type and driving type. For transmission type, the load can be placed on the timing belt surface for transmission. For driving type, no load is carried, and only the role of transmitting torque is played, which is similar to the role of chain.
- Question: Which tooth type of the timing belt has the smallest clearance? What will it affect?
- Answer: The arc tooth type has minimum clearance, which can improve such indicators as positioning accuracy and rigidity.
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