Bestorq B74/6 Classic Banded V-Belt. Engineered for heavy-duty industrial and agricultural drives, this pre-banded, 6-rib B-section belt delivers precise matching, reduced whip, and consistent performance under shock and pulsating loads.

Key Features & Benefits

Matched Belt Set: Permanently banded 6-rib design eliminates lateral whipping and belt mismatch, improving load distribution and extending service life.

Durable Construction: High-tensile fiberglass cords embedded in oil-, heat-, and ozone-resistant rubber compound for superior strength and wear resistance.

Stable, Low-Maintenance Operation: Firm tie-band prevents slipping and jumping, ensuring synchronized belt action and minimizing downtime.

Standards Compliant: Meets or exceeds SAE J636 specifications for classical B-section V-belts.

Specifications

Section: B (Classical)

Ribs: 6

Top Width: 21/32″ (≈ 16.7 mm)

Outside Circumference: 77″ (≈ 1955.8 mm)

Material: Fiberglass-reinforced rubber with aramid tensile cords

Temperature Range: –30 °F to 160 °F

Ideal Applications Designed for demanding drives in:

Industrial fans, blowers & pumps

Agricultural machinery & combine drives

HVAC compressors & air handlers

Any mechanical power transmission requiring a matched multi-rib belt

Cross References

Carlisle PT    RBP74-6 
Jason Industrial    6/B74 
Equivalent Codes    6-B74, 6GBB74, RB74-06