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Bearing Type
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System of Measurement
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Export Control Classification Number (ECCN)
DFARS Specialty Metals
V-Belt Pulleys
Nylon, Solid Body
UHMW, Solid Body
Pulleys for 2L and 3L belt are for fractional-horsepower V-belt drives.
UHMW pulleys can be machined to your exact specifications.
| OD | For Shaft Dia. | For Max. Shaft Dia. | Pitch Dia. | Wd. | O'all Wd. | Groove Dp. | Material | Body Type | Includes | Each | |
For 2L Belts  | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1" | 5/16" | __ | 0.9" | 21/64" | 11/16" | 0.25" | Nylon Plastic | Solid | One Set Screw | 0000000 | 000000 |
| 1.5" | 5/16" | __ | 1.4" | 27/64" | 7/8" | 0.25" | Nylon Plastic | Solid | One Set Screw | 0000000 | 00000 |
| 2" | 1/4" | __ | 1.9" | 27/64" | 7/8" | 0.25" | Nylon Plastic | Solid | One Set Screw | 0000000 | 00000 |
| 3" | 5/16" | __ | 2.9" | 27/64" | 7/8" | 0.25" | Nylon Plastic | Solid | One Set Screw | 0000000 | 00000 |
| 5" | 1/2" | __ | 4.9" | 27/64" | 7/8" | 0.25" | Nylon Plastic | Solid | One Set Screw | 0000000 | 00000 |
| 6" | 1/4" | __ | 5.9" | 27/64" | 7/8" | 0.25" | Nylon Plastic | Solid | One Set Screw | 0000000 | 00000 |
For 4L, A, AX Belts | |||||||||||
| 1.75" | 1/4" | 1/4" | 1.5" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 2.05" | 1/4" | 1/2" | 1.8" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 2.25" | 1/4" | 1/2" | 2" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 2.55" | 1/4" | 1/2" | 2.3" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 3.05" | 1/4" | 3/4" | 2.8" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 4.05" | 1/2" | 1 1/2" | 3.8" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 4.45" | 1/2" | 1 1/2" | 4.2" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 5.05" | 1/2" | 2" | 4.8" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 5.45" | 1/2" | 2" | 5.2" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 6.05" | 1/2" | 2 1/2" | 5.8" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 7.25" | 1/2" | 2 3/4" | 7" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 8.45" | 1/2" | 3" | 8.2" | 3/4" | __ | 0.49" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
For 5L, B, BX Belts | |||||||||||
| 3.75" | 1/2" | 3/4" | 3.4" | 1" | __ | 0.58" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 4.15" | 1/2" | 1 1/2" | 3.8" | 1" | __ | 0.58" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 4.75" | 1/2" | 1 1/2" | 4.4" | 1" | __ | 0.58" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
| 5.15" | 1/2" | 2" | 4.8" | 1" | __ | 0.58" | UHMW Plastic | Solid | __ | 0000000 | 00000 |
V-Belt Idler Pulleys
1 Groove
2 Grooves
3 Grooves
These pulleys spin freely on built-in ball bearings to maintain tension for reduced wear and vibration. Commonly used with belt tensioners (sold separately), they are lightweight and corrosion and abrasion resistant. Bearings are double sealed to keep dirt out.
| No. of Grooves | OD | For Shaft Dia. | Pitch Dia. | Wd. | Groove Dp. | Material | Body Type | Each | |
For 4L, A, AX Belts | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 3" | 3/8" | 2" | 45/64" | 0.5" | Nylon Plastic | Solid | 0000000 | 000000 |
| 1 | 3" | 1/2" | 2" | 45/64" | 0.5" | Nylon Plastic | Solid | 0000000 | 00000 |
| 1 | 4" | 3/8" | 2.99" | 45/64" | 0.5" | Nylon Plastic | Solid | 0000000 | 00000 |
| 1 | 4" | 1/2" | 2.99" | 45/64" | 0.5" | Nylon Plastic | Solid | 0000000 | 00000 |
| 1 | 6" | 1/2" | 5.12" | 23/32" | 0.46" | Nylon Plastic | Solid | 0000000 | 00000 |
| 1 | 7.5" | 1/2" | 6.6" | 23/32" | 0.45" | Nylon Plastic | Solid | 0000000 | 00000 |
For 5L, B, BX Belts | |||||||||
| 1 | 3.1" | 3/8" | 1.84" | 25/32" | 0.63" | Nylon Plastic | Solid | 0000000 | 00000 |
| 1 | 3.1" | 1/2" | 1.84" | 25/32" | 0.63" | Nylon Plastic | Solid | 0000000 | 00000 |
| 1 | 4" | 3/8" | 2.84" | 55/64" | 0.58" | Nylon Plastic | Solid | 0000000 | 00000 |
| 1 | 4" | 1/2" | 2.84" | 55/64" | 0.58" | Nylon Plastic | Solid | 0000000 | 00000 |
| 1 | 5" | 3/8" | 3.84" | 51/64" | 0.6" | Nylon Plastic | Solid | 0000000 | 00000 |
| 1 | 5" | 1/2" | 3.84" | 51/64" | 0.6" | Nylon Plastic | Solid | 0000000 | 00000 |
| 2 | 6.3" | 1/2" | 5.18" | 1 23/32" | 0.55" | Nylon Plastic | Solid | 00000000 | 000000 |
| 3 | 6.3" | 1/2" | 5.18" | 2 7/16" | 0.55" | Nylon Plastic | Solid | 00000000 | 000000 |
V-Belt and Pulley Trade Size Identifiers
Measure V-belt cross sections and pulley groove depths to select the correct size belt. Individual pieces are connected with a ball chain.
| For Belt Trade Size | For Use With (No. of Pieces) | Material | Color | Each | |
| 3V, 5V, 8V, A, B, C, D, E | V-Belts (3), V-Belt Pulleys (8) | Plastic | Blue | 0000000 | 000000 |
V-Belt Trade Number Identifiers
Quickly determine the size of any belt.
| For Belt Trade Size | Material | Color | Maximum Length Measured | Each | |
| 3L, 4L, 5L | Aluminum and Plastic | Orange | 100" | 0000000 | 0000000 |