The section “SPB” V-belt is an industrial V-belt belonging to the SIT SP range, designed for medium-to-high power transmission applications. Compared with traditional section B belts, the SPB offers greater stability, higher efficiency and longer service life, thanks to an optimised profile and construction.

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EAGLE BELT RED 105
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.
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The Eagle Red 105 uses the 14M profile, i.e. a tooth pitch of 14 mm, essential for correct meshing with compatible pulleys and for transferring motion with precision. Silent Sync® belts feature a staggered double helical tooth design that allows progressive, continuous engagement with the pulley profiles, ensuring high performance in terms of quietness, precision and vibration reduction.
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Back width: 105 mm (as indicated in the designation).
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Tooth pitch: 14 mm (14M profile), i.e. the distance between the teeth that engage with the Silent Sync® / Eagle pulleys.
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Materials and construction: HNBR rubber compound with optimised outer cover and fabric layer (JPEX), designed for high strength and durability.
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Available lengths: multiple pitch length variants (e.g. 994 mm, 1120 mm, 1260 mm, 1400 mm, 1568 mm, 1750 mm, 1960 mm, 2100 mm, 2240 mm, 2380 mm, 2520 mm, 2660 mm…).
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Typical applications: industrial automation, robotics, high-precision mechanical transmission systems and machinery that require accurate synchronisation and a low noise level.
16 other products in the same category:
The Eagle Blue 35 toothed belt is a high-precision mechanical drive belt designed for industrial applications with synchronous drives. The designation “35” identifies the belt width in millimetres (35 mm) and is part of the high-performance SilentSync / Eagle belt family, characterised by low noise, high precision and excellent dynamic behaviour. Several variants with length expressed in millimetres are available, to suit various applications and mechanical systems.
The section “SPZ” V-belt is an industrial V-belt belonging to the SIT SP series, designed for light and medium-light power transmissions. Compared with traditional section Z belts, the SPZ guarantees greater operating stability, better efficiency and longer service life, thanks to a more advanced construction.
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 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.
The toothed belt L 100 is a precision mechanical belt, ideal for reliable synchronous drives. The designation “L 100” indicates the belt section, with back width of 1 inch (25.4 mm) and 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 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 SIT VARIO variator belts are special V-belts designed for variable speed transmissions using adjustable-diameter pulleys. These belts are designed to transmit high power in systems with continuous speed adjustment, maintaining high performance and service life even in severe conditions.
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 SIT section “SPA” V-belt is an industrial V-belt designed to provide greater reliability, stability and service life than traditional section A belts, while maintaining a similar top width. It is used in mechanical applications where consistent performance and greater durability over time are required.
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.
The section “C” V-belts — with designations ranging from C100 to C300 — are classic power transmission belts with a V profile used to transfer power in mechanical and industrial applications. The “C” section indicates a trapezoidal profile with a top width of approximately 22 mm and a height of approximately 14 mm (standard C‑section), compliant with international standards for V‑belts, for reliable transmission between compatible pulleys. The C100…C300 variants refer to increasing pitch lengths, identified by standard codes (linked to the length in inches converted into millimetres).
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 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.
The section A V-belt — with sizes ranging from A100 to A196 — is a drive belt with a standard V section designed for mechanical and industrial applications. The designation “A” indicates the belt profile according to international standards (top width of approximately 13 mm and height of approximately 8 mm) and the variants A100…A196 refer to the different pitch lengths expressed in millimetres. These belts are suitable for transmitting power between shafts by means of pulleys with a compatible profile, ensuring reliability and durability.
The Eagle Orange 70 toothed belt is a high-performance synchronous drive belt, part of the Silent Sync® / Eagle range designed for industrial applications and mechanical systems requiring precision and reliability. The number 70 indicates the belt width in millimetres (70 mm). The belt is available in several variants with lengths expressed in millimetres, to suit the power transmission and synchronisation requirements of your application.