B Section V-Belt 17mm x 11mm – Metric & Imperial Sizes | Transmission Drive Belt Replacement

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Description

 

B Section V-Belt 17mm × 11mm — Reliable Transmission Belt Replacement for Industrial & Agricultural Drives

When a worn or snapped drive belt brings your equipment to a halt, downtime costs money. Whether you maintain HVAC systems, run agricultural machinery, or keep industrial compressors and fans running, finding an exact-fit B section V-belt replacement quickly is critical. This listing is designed for maintenance professionals, equipment operators, and serious DIYers who need a dependable transmission belt without guesswork.

Each belt in this listing is a standard B section V-belt with a cross-section of 17mm (≈21/32") wide × 11mm (≈7/16") deep, constructed from rubber with fiber-reinforced tensile cords for strength and flexibility. Available in metric lengths from 600mm (≈23.6") to 7000mm (≈275.6") and imperial lengths from 25" (≈635mm) to 100" (≈2540mm), sold individually (1 PCS per order). Select your style (Metric or Imperial) and the exact length you need from the variant options above.

Typical applications include HVAC blower and fan drives, air compressor belt replacement, agricultural equipment drive systems (tractors, combines, balers), industrial lathes, drill presses, and general-purpose power transmission setups where a B-profile pulley is used.

ℹ️ Compatibility Note: This belt follows the standard B section profile (17mm × 11mm) per ISO 4184 / RMA IP-20. It is designed to fit B-groove pulleys and sheaves. Always verify your pulley groove profile and required belt length before ordering.

✅ Key Features of These B Section V-Belts

  • 📐Standard B Section Profile — 17mm wide × 11mm deep cross-section fits B-groove pulleys conforming to ISO 4184 / RMA IP-20, making it a direct replacement for OEM B-profile transmission belts.
  • 📏Wide Length Range — Available in metric sizes from 600mm to 7000mm and imperial sizes from 25" to 100", covering a broad range of drive configurations for HVAC, agricultural, and industrial applications.
  • 🔩Fiber-Reinforced Construction — Tensile cords embedded in the rubber body resist stretching under load, helping maintain consistent belt tension and reducing the frequency of re-tensioning in power transmission drives.
  • ⚙️Dual Metric & Imperial Sizing — Choose the sizing system that matches your equipment manual or OEM belt label, eliminating conversion errors when ordering a replacement drive belt.
  • 🌡️Rubber Compound Flexibility — The rubber construction generally maintains flexibility across a range of operating temperatures, suitable for indoor industrial drives and sheltered agricultural equipment.
  • 🔄Drop-In Replacement Design — Engineered to the same dimensional standard as original B section belts, allowing straightforward swap-out on compressors, fans, lathes, and other machinery without pulley modification.

📐 Technical Specifications — B Section V-Belt

Belt Section B (Classical V-Belt)
Top Width 17mm (≈21/32")
Belt Depth / Height 11mm (≈7/16")
Angle Typically 40° (standard V-belt wedge angle)
Length Range (Metric) 600mm (≈23.6") – 7000mm (≈275.6")
Length Range (Imperial) 25" (≈635mm) – 100" (≈2540mm)
Material Rubber with fiber-reinforced tensile cords
Standard Compliance ISO 4184 / RMA IP-20 B section profile
Quantity per Order 1 PCS
Compatible Pulley Groove B-groove sheaves and pulleys
Typical Applications HVAC fans, air compressors, agricultural drives, industrial machinery
Color / Finish See variant options
⚠️ Sizing Tip: If you are unsure of your required belt length, measure the inside circumference of your old belt or calculate from the center-to-center pulley distance. Contact us to confirm before ordering if needed.

❓ Frequently Asked Questions

How do I choose the right length for my B section V-belt?

Measure the inside circumference of your existing belt or use the center-to-center distance between your pulleys to calculate the required length. For metric sizes, lengths are listed in mm (e.g., 1000mm ≈ 39.4"). For imperial, sizes are listed in inches (e.g., 40" ≈ 1016mm). When in doubt, consult your equipment manual for the OEM belt specification.

What does 'B section' mean for a V-belt?

'B section' refers to the cross-sectional profile of the belt. A B section V-belt is typically 17mm (≈21/32") wide and 11mm (≈7/16") deep. This is one of the most common industrial V-belt profiles and is compatible with standard B-profile pulleys and sheaves.

How much load can a B section V-belt handle?

B section V-belts are generally rated for moderate-to-heavy power transmission applications. Actual load capacity depends on belt length, pulley diameter, operating speed, and environmental conditions. For precise power ratings, refer to your equipment's drive design specifications or contact us to confirm suitability.

Can this V-belt be used outdoors or in wet conditions?

B section V-belts are typically made from rubber compounds that offer reasonable resistance to moisture and moderate temperature ranges. However, prolonged exposure to oils, chemicals, or extreme UV may reduce belt life. For outdoor agricultural or HVAC applications, ensure the belt is shielded from direct chemical contact where possible.

Is this belt compatible with standard B-profile pulleys and sheaves?

Yes. This belt follows the standard B section profile (17mm wide × 11mm deep), which is compatible with B-groove pulleys and sheaves conforming to ISO 4184 / RMA IP-20 standards. Always verify your pulley groove profile before ordering.

How do I decide between metric and imperial sizing?

Choose metric (mm) if your equipment manual lists belt length in millimeters, or if you are replacing a belt marked with a metric designation. Choose imperial (inches) if your OEM belt is labeled with an inch measurement (e.g., B40 = 40"). Both options use the same B section cross-section — only the length designation differs.

What equipment commonly uses B section V-belts?

B section V-belts are widely used in HVAC blower units, air compressors, agricultural machinery (tractors, combines, balers), industrial fans, lathes, drill presses, and general power transmission drives. They are one of the most versatile belt profiles available.

🛒 Select your style and size above, then add to cart — ships from our US warehouse.

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