The 3V section V-belt is a high-performance drive belt, designed to transmit power in industrial machinery and vehicles. Thanks to its trapezoidal profile, it offers high load capacity and optimum grip, ensuring efficient and long-lasting transmission.

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TOOTHED BELT H 300
H 300 – Precision toothed belt with back width of 3 inches (76.2 mm) and tooth pitch of 0,5 inch (12.7 mm). Available in various lengths expressed in millimetres, ideal for synchronous drives on large machinery.
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The H 300 toothed belt is designed to ensure motion transmission between toothed pulleys with precision and without slipping, making it perfect for industrial machinery, automation systems, robotics and 3D printers that require accurate synchronisation.
The number in the designation (“300”) indicates the belt back width, according to the Withworth standard, equivalent to 3 inches or 76.2 mm. This parameter is essential to ensure correct compatibility with the pulleys.
The belt is available in various lengths, expressed in millimetres, to suit specific requirements perfectly. To choose the correct length, it is advisable to count the teeth of the old belt, thus guaranteeing the same precision and functionality of the transmission.
16 other products in the same category:
The Eagle Yellow 16 toothed belt is a high-performance synchronous belt, part of the Silent Sync® / Eagle line, designed for quiet, precise and reliable mechanical drives. The number 16 indicates the belt width in millimetres (16 mm). The belt is available in several variants with lengths expressed in millimetres, to suit a wide range of industrial and automation applications.
The toothed belt XL 037 is a precision mechanical belt for reliable synchronous drives. The designation “XL 037” indicates the belt section, with back width of 0,25 inch (6.35 mm) and tooth pitch of 0,2 inch (5.08 mm). Several variants are available, identified by the belt length expressed in millimetres, to suit any application.
The section “C” V-belts — in sizes from C43 to C99 — are standard “V” profile mechanical power transmission belts, designed to transfer power between grooved pulleys in various types of industrial machinery and mechanical applications. The “C” section indicates a trapezoidal profile with standard dimensions of approximately 22 mm top width and 14 mm height according to technical standards for V‑belts. These belts in the C43…C99 range cover a series of increasing pitch lengths, expressed in international standard numbers and useful for easily identifying the correct size.
The Eagle White 32 toothed belt is a high-performance synchronous belt, part of the Silent Sync® / Eagle range of self-aligning tooth drives designed for industrial applications and precision mechanical systems. The number 32 indicates the belt width in millimetres (32 mm). This belt is available in several variants with lengths expressed in millimetres, to suit the power transmission and synchronisation requirements of your plant.
The toothed belt L 050 is a precision mechanical belt, ideal for reliable synchronous drives. The designation “XL 050” indicates the belt section, with a back width of 0,3125 inch (7.94 mm) and a tooth pitch of 0,375 inch (9,525 mm). Several variants are available, identified by the belt length expressed in millimetres, to suit any application.
The section “B” V-belts — with designations ranging from B100 to B300 — are classic V-profile drive belts designed to transfer power in mechanical and industrial applications. The section “B” indicates a standard trapezoidal profile with a back width of approximately 17 mm and a height of approximately 11 mm, compliant with international standards for V‑belts. The variants B100…B300 refer to increasing pitch lengths, expressed as a code, and allow adaptation to different requirements for transmission between shafts by means of compatible pulleys.
The Eagle Red 105 toothed belt is a high-performance synchronous drive belt, designed for industrial applications and mechanical systems requiring precision, quiet running and reliability. The number 105 indicates the belt width in millimetres (105 mm), one of the standard sizes of the Silent Sync® / Eagle series. The belt is available in several variants with lengths expressed in millimetres, to suit the power transmission and synchronised motion requirements of your plant and machinery.
The section “A” V-belts – with designations ranging from A15 to A60 – are classic V‑belt drive belts used to transfer power between shafts by means of grooved pulleys. The “A” profile indicates a standard trapezoidal section with a back width of approximately 13 mm and a height of approximately 8 mm, compliant with ISO/DIN standards for V‑belts. The variants from A15 to A60 refer to the different pitch lengths of the belt, expressed in standard numbers, and are available in many lengths to suit various mechanical and industrial applications.
H 100 – Precision toothed belt with back width of 1 inch (25.4 mm) and tooth pitch of 0,5 inch (12.7 mm). Available in various lengths expressed in millimetres, ideal for reliable synchronous drives.
⚡ Sold by rib: make sure you add the number of ribs required to the quantity (e.g. Ribs = 4 - Quantity = 2 you will receive 2 belts of 4 ribs).
The Poly‑V belt, section J is a multi-rib belt designed to transmit power efficiently on grooved pulleys. It is flexible, compact and suitable for transmissions with several parallel ribs.
The section “Z” V-belt is a trapezoidal profile power transmission belt used in light mechanical and industrial applications. Section Z identifies a compact belt, suitable for small-diameter pulleys and for systems where reduced size and good transmission efficiency are required. Various pitch lengths (lengths) are available to suit a wide range of applications.
The section “A” V-belts – with sizes from A61 to A98 – are classic V‑belt drive belts used to transfer power between shafts by means of pulleys with a compatible groove profile. Section A indicates a trapezoidal profile with standard dimensions of approximately 13 mm top width and 8 mm height, compliant with ISO/DIN standards for V‑belts. The variants A61…A98 refer to the different pitch lengths of the belt, expressed in standard codes, and are available in various lengths in millimetres for many mechanical and industrial applications.
The section “D” V-belts — in sizes from D110 to D285 — are classic “V” profile power transmission belts, designed to transfer power between shafts by means of grooved pulleys. The “D” section identifies a wide-band profile, with a standard top width of approximately 36.5 mm and a height of approximately 21.8 mm according to international standards, ideal for transmissions with heavier loads than sections A, B or C. The D110…D285 variants cover different belt pitch lengths to suit mechanical applications of different configurations.
The Eagle Green 52,5 toothed belt is a high-performance synchronous drive belt, part of the Silent Sync® / Eagle range designed for industrial applications and machines requiring high movement precision. The value 52,5 indicates the belt width in millimetres. This belt is available in several variants with lengths expressed in millimetres, to suit the power transmission and synchronisation requirements of mechanical systems.
H 150 – Precision toothed belt with back width of 1,5 inches (38.1 mm) and tooth pitch of 0,5 inch (12.7 mm). Available in various lengths expressed in millimetres, ideal for synchronous drives.