A section classic V belts have a trapezoidal profile that fits snugly into pulley grooves to deliver efficient power transmission with minimal slip. Made from rubber or synthetic materials with fiber reinforcement, they offer strength, flexibility, and long service life. Commonly used in industrial, agricultural, and automotive systems, these belts are easy to maintain and well suited for a range of loads and speeds.
Standard V-Belt Number
Outside Diameter
Top Width
Depth
A20
22 (Inches)
1/2"
5/16"
A21
23 (Inches)
1/2"
5/16"
A22
24 (Inches)
1/2"
5/16"
A23
25 (Inches)
1/2"
5/16"
A24
26 (Inches)
1/2"
5/16"
A25
27 (Inches)
1/2"
5/16"
A26
28 (Inches)
1/2"
5/16"
A27
29 (Inches)
1/2"
5/16"
A28
30 (Inches)
1/2"
5/16"
A29
31 (Inches)
1/2"
5/16"
A30
32 (Inches)
1/2"
5/16"
A31
33 (Inches)
1/2"
5/16"
A32
34 (Inches)
1/2"
5/16"
A33
35 (Inches)
1/2"
5/16"
A34
36 (Inches)
1/2"
5/16"
A35
37 (Inches)
1/2"
5/16"
A36
38 (Inches)
1/2"
5/16"
A37
39 (Inches)
1/2"
5/16"
A38
40 (Inches)
1/2"
5/16"
A39
41 (Inches)
1/2"
5/16"
A40
42 (Inches)
Search for your Cross Reference
V‑Belt Finder Tool
Already have a part number? Search for your match instantly.
Disclaimer: Manufacturer names, part numbers, product descriptions, images, and symbols are used strictly for identification and cross-reference purposes. CrossBelts.com is not affiliated with, authorized by, or sponsored by any of the manufacturers listed. All trademarks and brand names are the property of their respective owners. While we make every effort to ensure accuracy, customers are responsible for verifying compatibility and specifications before purchase. Use of any original equipment manufacturer (OEM) name does not imply endorsement or direct replacement unless explicitly stated.
*Please note that as an Amazon Associate, a commission is earned from qualifying purchases. Some links on this page will direct you to Amazon or other affiliate programs.
Choosing a selection results in a full page refresh.