Bestorq
B139K 5LK1420 V-Belt
B139K 5LK1420 V-Belt
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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
Others
88667, 88661, 98-3780, 983780
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
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We strive for accuracy, but it is the customer’s responsibility to verify belt compatibility, specifications, and fitment before purchase. Use of an original equipment manufacturer (OEM) name is for reference only and does not imply endorsement or that the product is a direct OEM replacement unless clearly stated.
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