BlackStar 6018F 1 5/8 - Chain Coupling 5VS-LB What does the H in

What does the H in 1270H100 mean

Specifications Part Number 80A36Q Chain Pitch 80 Number of Teeth 36 Bore Type Plain Bore Hub Style A-Plate Strand Count Single Material Steel Outside Diameter 12

"mpn":"1189K11-D&D"

"mpn":"13/5V1250-D&D"

BlackStar 6018F 1 5/8 - Chain Coupling 5VS-LB What does the H inThe BlackStar 6018F 1 5 8 is a chain coupling, manufactured from steel. Chain couplings connect two shafts using two sprockets and a length of double roller chain wrapped around them. They handle high torque industrial applications including pumps, conveyors, and compressors, accommodating angular and parallel shaft misalignment while transmitting power smoothly. Specifications Part Number 6018F 1 5 8 Product Type Chain Coupling Coupling Size 6018