B139K 5LK1420 V-Belt

The B139K also known as 5LK1420 Kevlar V Belt is a long span heavy duty V belt designed for equipment requiring non stretching performance and high load capacity. With aramid fiber reinforcement this belt delivers stable operation under tension and frequent engagement.

Belt Specifications
Type: B Section Kevlar V Belt
Top Width: 0.66 inches
Depth: 0.4375 inches
Outside Length: 142.0 inches
Effective Length: 139.0 inches

Cross Reference Part Numbers
B139K
5LK1420
Dayco L739K
Gates 69142
Carlisle B139K
Pix B139K
D&D B139K
MBL B139K
Bestorq B139K

Applications
Used in balers conveyors large mowers and agricultural machinery that demand dependable power transmission across extended belt spans

Key Features
Kevlar cords eliminate stretch and provide consistent grip under load
Reliable performance in high torque and long center distance drives
Heat oil and abrasion resistant for demanding outdoor or industrial use