Browning - AX23 Section AX, 1/2 Wide, 25 Outside Length, Gripnotch V Browning CODE 1 matched tolerance Industrial V-belt Browning A38 Super Gripbelt A Belt Section 39.3 Pitch Length 40.2 Inches Outside Johnstone Supply Motors Utilize ground form design which reduces vibration, wear and initial belt tension loss. Browning AX38 - TorqTitan Gripnotch Belt w/ 39.3 Pitch- Note: The manufacturer is in the process of transitioning to a Gen II model for TorqTitan belts. To best optimize performance, it is not recommended to mix the original & Gen II TorqTitan belts on the same drive/application simultaneously Browning Notched belts assure longer life when replacing existing Wrapped V-Belts. Close Belt tolerance - Browning Belts offer the Code 1 Match belt system on... Greater belt sidewall mass provides additional contact with the sheave. New EPDM Material offers expanded operating temperature range from -60 degrees F to +230 degrees F