Name: AT3 PU Timing Belt | TranBelt Transmission Belts from China
SKU: PU-AT3

Trapezoidal Profile

AT3

Tooth Pitch t [mm]

3.0

Overall Belt Thickness H [mm]

1.9

Minimum Pulley Diameter [mm]

30.0

Body

Polyurethane (PU)

Tensile Members

Steel

Hardness

92 Shore A

Max Allowable Tensile Strength M

400.0

Power transmission

<= 5 kW

Rotational Speed

approx. 20000 min-1

Width Tolerance [mm]

+/- 0.5

Length Tolerance [mm]

+/- 0.5

Thickness Tolerance [mm]

+/- 0.2

Description

TranBelt supplies AT3 polyurethane (PU) Truly Endless – BFX timing belts designed for accurate, durable, and long-lasting power transmission. These belts suit applications that need strong wear resistance and precise performance.

We offer standard widths of 10mm, 16mm, 20mm, 25mm, 32mm, 50mm, 75mm, and 100mm, along with custom sizes including various lengths, widths, and tooth pitches to meet your specific needs.

Our AT3 PU belts are made with a polyurethane body and steel cords for strength. For special requirements, we also offer options with aramid (Kevlar), stainless steel, or carbon fiber cords.

Product Table

Name	Length [mm]	Width [mm]	Pitch [mm]	No. of Teeth

Standard Widths [mm]

6, 8, 12, 16, 20, 25, 32, 50, 75, 100 mm

Standard Lengths [mm]

150, 201, 252, 267, 270, 300, 351, 399, 417, 450, 501, 549, 600, 639, 816, 900, 1011 mm

Belt Cord Types

Steel cords
Reinforced steel cords
Stainless steel cords
Aramid Kevlar cords
Extra flexible steel cords

Special Features

Less sliding resistance
Nylon fabric on teeth (PAZ)
Nylon fabric on back (PAR)
Nylon fabric on both sides (PAZ/PAR)

Mechanical Benefits

Strong grip and friction control
High wear and cut resistance
Good release and compression

Physical Features

Antistatic and conductive
Flame retardant
Cold, hydrolysis, and water resistant

Chemical Resistance

Oil and fat resistant
Safe for food use, easy to clean
Acid, base, ozone, and UV resistant

Common Uses

AT3 belts are used for small power drives and material handling

AT3 PU Timing Belt