V-belt XPB 2180 - 17x14MM - PIX X'tra ®

V-belt XPB 2180 - 17x14 MM - PIX X'tra ® with Li 2120 mm, Ld 2180 mm and La 2208 mm

V-belt XPB 2180 - 17x14 MM - PIX X'tra ® is a relevant belt type for mechanical power transmission where a flexible, Cogged V-belts with clear length data is desired. The product is listed as XPB with the goal 17x14MM and the lengths L 2120 mm, Length 2180 mm and Width 2208 mm.

XPB is a stronger timing narrow V-belt, which is often used when more power needs to be transmitted than in the smaller XPZ and XPA profiles. The belt is particularly relevant for more powerful belt drives, where the motor, pu , fan, compressor or process machine requires a wider contact surface. The correct cross-section is essential for the sides of the belt to grip the pulley properly and can transmit the torque without unnecessary slip.

Product data

• Profile: XPB
• Goal: 17x14MM
• Effective length: Length 2180 mm
• Inner length: L 2120 mm
• External length: Width 2208 mm
• Series: PIX X'tra® Molded Raw Edge Cogged Belts
• Construction: raw edge and Cogged V-belts
• Profile angle according to PIX data sheet: 36° ± 1°
• Mark: PIX

Length specifications

The Ld dimension is the effective length and the length specification typically used for narrow V-belts. Li describes the inner length, while La describes the outer length. The three dimensions must be understood together with the profile, cross-section and pulley grooves, because the length designation alone does not describe the full geometry of the belt.

The three length specifications describe the belt's geometry from each measurement position. L 2120 mm describes the inner length, Length 2180 mm is the effective length, and Width 2208 mm is the outer length. The difference between them is due to the geometry of the belt and the measurement method. Therefore, belts with almost the same outer dimensions can still have different technical specifications.

With Ld 2180 mm, the belt is a longer variant, where alignment and uniform tension are more important. The longer the center distance and the greater the belt pull, the more important it is that the belt does not work crookedly between the pulleys.

Construction and technical features of PIX X'tra®

The raw edge construction means that the sides of the belt are designed for direct contact with the pulley. The serrated underside makes the belt more compliant around pulleys, especially where the diameter is limited. PIX also specifies polyester cord as a tensile member, which is relevant for longitudinal stability and load capacity in a correctly dimensioned belt drive.

PIX states for the X'tra® series a power transmission capacity of 15–20% over wrapped belts in comparable operating conditions. The data sheet also highlights better flexibility, approximately 20% higher heat dissipation than wrapped belts, possibility of smaller pulleys in compact drives, maximum linear belt speed up to 42 m/s, antistatic design, oil and heat resistance, REACH/RoHS compliance and temperature range from -45°C to +120°C.

For the XPB profile, the PIX data sheet states the length range 550–8380 mm. This belt with Ld 2180 mm is in the range 550–3000 mm, where the data sheet states a length tolerance of ±6 mm and a set tolerance of 2 mm. The tolerances are relevant when replacing, especially if several belts are to run in parallel or if the center distance can only be adjusted to a limited extent.

Use for the XPB profile

If the machine has previously used a regular wrapped V-belt, a timing raw edge type may be interesting for compact drives or when greater flexibility is needed. This does not mean that all belts can be freely replaced. The safe method is to maintain the same profile family, assess the length and ensure that the pulleys are suitable for the specified belt type.

In practice, this type of belt is often used for more powerful belt drives, where the motor, pu , fan, compressor or process machine requires a wider contact surface. However, the belt should not be selected solely based on the machine type. Two machines can use different profiles, even if they look similar from the outside. The correct check is therefore the product name, belt marking, the pulley profile and the three length measurements.

Profile and pulley compatibility

XPB belongs to the same narrow profile family as SPB, but the belt has its own technical specification with a timing, raw-edge construction. The belt works with side contact in the pulley groove, and the correct groove profile is necessary for the contact surface, friction and load to be distributed correctly. Incorrect cross-section or skewed pulleys can cause overheating, noise, slippage and uneven wear.

The technical identification consists of the combination XPB, 17x14MM, Length 2180 mm, L 2120 mm, Width 2208 mm and PIX X'tra®The combination distinguishes the item from nearby V-belts with other profiles, other length standards or a different construction.

Installation and operation

When installing, the belt should be placed without being twisted or forced over the pulley with a screwdriver or other sharp tool. Instead, adjust the center distance or loosen the relevant tensioning device so that the belt can be installed without damage. After installation, the belt should have the tension that the machine is designed for, because both too loose and too tight a belt can cause problems.

A new belt should be installed in clean, dry and undamaged pulleys. Oil, old belt dust, rust or sharp edges can shorten the life. Alignment between the pulleys is also important. Even a good belt can quickly wear out if the pulleys are misaligned or if the belt is forced to work sideways.

Avoid using belt spray as a permanent solution to slippage. Slippage is often caused by incorrect tension, worn pulleys, oil contamination or incorrect belt specification. A properly specified XPB belt of the correct length and in a clean, aligned belt drive is a more durable solution than temporary remedies.

The timing underside of the belt reduces bending stiffness and makes the design suitable for belt drives, where the belt must follow the pulleys without unnecessary energy loss. The raw-edge design provides direct side contact with the groove, and the polyester insert contributes to stable length under load. For the XPB 2180, the interaction between profile, length and pulley geometry is therefore central to smooth operation, correct tension and uniform wear over time.

Technical questions about XPB V-belts

What does XPB 2180 mean on this belt?

XPB is the profile designation and 2180 refers to the effective length Ld in millimeters. For this item, this means that the belt is specified as XPB profile with dimensions 17x14 MM, Li 2120 mm, Ld 2180 mm and La 2208 mm.

What do Ld, Li and La mean on this V-belt?

Ld is the effective length and is the length stated in the product name. Li is the inside length, and La is the outside length. The three measurements are used to compare belts because manufacturers and older belt markings do not always use the same length designation.

Is the length alone enough to describe the belt?

No. The length is important, but the profile is at least as important. A belt with the correct length but the wrong profile can lie incorrectly in the pulley, causing poor contact, heat, noise and a shorter life.

Why is the belt timing on the inside?

The serration makes the belt more flexible around the pulley and helps with heat dissipation. This is especially relevant for compact belt drives, smaller pulleys and operations where a stiffer wrapped belt can become unnecessarily hot.

Is PIX X'tra® a regular wrapped V-belt?

No. The PIX X'tra® in this series is a moulded raw edge cogged belt. It differs from classic wrapped belts in construction, flexibility and working surface.

When should the belt be replaced?

The belt should be replaced if there are ctiming bars, obvious side surface wear, frayed edges, glazing, squealing, vibrations or repeated retensioning. The pulleys should also be in good condition, as a new belt will wear quickly in damaged grooves.

An incorrect belt specification reduces the risk of unnecessary stops, repeated replacements and troubleshooting after installation. The right combination of profile, length and construction provides better conditions for smooth running, reasonable service life and more stable power transmission in the current belt drive.

Belt operation depends on the profile, length, tension and pulley groove matching. Worn or damaged grooves can shorten belt life, while correct alignment and a clean contact surface provide more stable power transmission.

Short conclusion: V-belt XPB 2180 - 17x14 MM - PIX X'tra ® is an XPB V-belt from PIX X'tra® with dimensions 17x14 MM, Ld 2180 mm, Li 2120 mm and La 2208 mm. It is a relevant belt type when the belt drive requires this particular profile and a rough-edged, timing construction with the technical properties that PIX specifies for the X'tra® series.