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Home / Product Range / Transmission Belts / Rubber Toothed belt / L-Type Imperial Trapezoidal-Tooth Timing Belt, for Office Automation and Light Industrial Transmission
  • L-Type Imperial Trapezoidal-Tooth Timing Belt, for Office Automation and Light Industrial Transmission
  • L-Type Imperial Trapezoidal-Tooth Timing Belt, for Office Automation and Light Industrial Transmission
Rubber Toothed belt

L-Type Imperial Trapezoidal-Tooth Timing Belt, for Office Automation and Light Industrial Transmission

This L-type trapezoidal-tooth timing belt follows the imperial circular-pitch standard (pitch 9.525mm / 3/8 inch) and is the most widely used, most versatile classic belt type in light-to-medium industrial transmission. Made of chloroprene rubber with a fiberglass tension layer, it is tailor-made for automated equipment that needs precise synchronization, low noise, and maintenance-free operation.

Item Specification
Model L type (trapezoidal tooth, imperial circular-pitch system)
Tooth profile Trapezoidal tooth (square tooth)
Standards GB/T 11616 / ISO 5296
Pitch 9.525mm (3/8 inch)
Tooth angle 40°
Tooth height 1.91mm
Belt body thickness 3.60mm
Belt width specifications 050 (12.7mm), 075 (19.1mm), 100 (25.4mm), 150 (38.1mm), etc.
Tooth count range Corresponds to pitch length, e.g. 150L (40 teeth), 187L (50 teeth), 240L (64 teeth), 300L (80 teeth), etc.
Pitch length range Multiple sizes under the imperial circular-pitch system (e.g. 150L = 381.00mm, 300L = 762.00mm)
Body material Chloroprene rubber (CR)
Tension member Fiberglass cord
Tooth surface wear layer Nylon fabric (nylon 66 high-elasticity fabric)
Color Black
Operating temperature -20℃ ~ +100℃
Performance features Oil-resistant, wear-resistant, anti-static, low elongation, accurate transmission ratio, no slip, lubrication-free
Power transmission range 0.05~4.76kW at the reference belt width of 25.4mm

Key Product Advantages Key Selling Points Applications and Scenarios Contact Us

1. Precise synchronization, no slip: The trapezoidal (square) teeth mesh accurately with the pulley grooves for a constant transmission ratio, completely eliminating the elastic slip of ordinary V-belt drives and keeping equipment timing and positioning accuracy highly consistent.
2. Composite high-strength construction, very low elongation: The belt body is made of high-quality chloroprene rubber (CR), which is oil-resistant, heat-resistant, wear-resistant, and anti-static. The tension layer uses high-strength fiberglass cord with excellent tensile resistance, so it does not easily slacken in long-term operation, greatly reducing tensioning maintenance.
3. Nylon tooth-surface protection, multiplied service life: The tooth surface is covered with nylon 66 high-elasticity fabric, which effectively lowers the tooth friction coefficient and improves shear and wear resistance, maintaining excellent life even under frequent start-stop conditions.
4. Wide temperature range, clean lubrication-free operation: The operating range of -20℃ ~ +100℃ suits most industrial workshop environments. No lubricating oil is required and there is no oil leakage in operation, meeting the cleanliness requirements of food, medical, and electronics production lines.

Imperial classic, worry-free North American replacement: Standard L-type circular-pitch sizes (such as 150L, 187L, 240L, 300L) are used worldwide and are a standard stock item for overseas equipment after-sales repair and old-belt replacement.
Rich range of belt widths: Covers 050 (12.7mm), 075 (19.1mm), 100 (25.4mm), and more, and with a transmission power range of 0.05~4.76kW it can meet most light-to-medium load requirements.
One-stop belt-and-pulley matching: Can be supplied as a set with Rentai TB taper-bush timing pulleys (such as the TL series), avoiding mismatch and early abnormal noise caused by tooth tolerance.

Office and automation: Printer/copier drives, vending machines, 3D printers, and small automated assembly lines.
Light industrial machinery: Sewing machines, textile machinery, and woodworking engraving machines (dusty, low-noise requirements).
Packaging and food: Film pulling on packaging machines, labeling machines, and small food processing equipment (clean, lubrication-free).
Power tools: Small electric tools, automotive inspection equipment, and auxiliary drives on agricultural machinery.

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About Rentai
Transmission Equipment

Shanghai Rentai Transmission Equipment Co., Ltd. is a manufacturer specializing in R&D, production and export of mechanical transmission components. Our main products include taper lock pulleys, taper lock bushes, timing pulleys, V-belts and timing belts. We also provide OEM & ODM custom service for non-standard transmission parts. Our factory covers over 8000 square meters, with more than 100 employees including 22 technical staff. We integrate casting, machining and finishing, equipped with CNC machines and testing instruments, with an annual casting output of 2000 tons. Supported by complete quality management system and international standards, our products are exported to Southeast Asia, Middle East, Europe and America, delivering reliable transmission solutions for global industrial clients.

  • 10+

    Industry Experience

  • 100+

    Production staff

  • 2000+Ton

    Annual Production

  • 8000+㎡

    Factory Area

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