BX77 Cogged V-Belt – 5/8 in Raw-Edge Notched

Industrial belt for BX77 drives. Match marking, BX profile, pulleys, and manufacturer length specification.

Cross-References

Exact: BX77, Gates BX77, Dayco BX77GL. 5L800 is a dimensional FHP alternative; B77 is a wrapped alternative. Neither is identical construction.

Buyer Checks

Confirm 5/8-inch profile, pulley groove, length convention, load, environment, and matched-set needs.

Symptoms

Glazing, cracks, cord exposure, squeal, slip, vibration, or reduced speed.

Installation

Lock out power; inspect and align pulleys; release tension; install without forcing; tension to specification; restore guards; recheck after run-in.

Fitment

No reliable model-level fitment verified. Match by designation, profile, pulley requirements, and supplying manufacturer length specification.

FAQ

5L800 and B77 are alternatives only. Use model fitment only when explicitly linked by an OEM or established source.