Mitsuboshi 4RB111 Banded V-Belts

The Mitsuboshi 4RB111 is a premium, classical banded V-belt engineered for demanding industrial and agricultural drive systems. Featuring a 4-rib configuration and rugged raw-edge construction, the 4RB111 delivers exceptional load capacity, precise tracking on multi-sheave drives, and extended service life.

Key Features

4-Rib Banded Design: Four individual B-section belts laminated together for superior stability and even load distribution 

Precise Dimensions: 114″ outside length (111″ inside measurement) ensures accurate fit and tension across pulleys 

Standard B-Section Width: 5/8″ top width per rib for optimal grip and alignment 

Durable NR/SBR Rubber Compound: Mitsuboshi’s proprietary natural rubber/styrene-butadiene blend delivers excellent abrasion resistance and heat tolerance 

Polyester Tension Cords: High-tensile cords maintain dimensional stability under shock loads and fluctuating tensions 

Raw-Edge Construction: Promotes flexibility and efficient heat dissipation, minimizing belt stretch and turnover

Why Choose Mitsuboshi 4RB111
Mitsuboshi belts meet rigorous ARPM/RMA IP-20 standards, delivering reliable performance and longevity. The 4RB111’s banded configuration prevents single‐belt turnover and ensures trouble‐free operation in high-horsepower, shock-loading environments.