Best Tsubaki (Ust) in 2026

chain number: 40

bore diameter: 1/2 in

number of teeth: 12

chain number: 100

hub diameter: 6-23/32 in

number of teeth: 20

Works with chain sizes: #25, #35, #41, #40, #50, #60, 05B, 06B, 08B, 10B, #410, #43, #65, #415, #42, #415H, #420, #423, #428, #428H, #520, #530

Works with just about any chain with the pitch ranging from 0.25" - 0.750"

Manufactured using premium quality, tool grade steel for durability and ease of use

For use with Martin Spacer Coupling (SC) type Quadra-Flex series flexible coupling assemblies (sold separately)

High carbon steel for better wear and longer life over hubs made from steel alloys with less or no carbon, or non-steel alloys

Available in regular (H type) or short (HS type) lengths to accommodate the spacing requirements of the application

For use with Martin spider (sold separately)

Steel sintered with powdered metals for strength, durability, and corrosion resistance

For use in applications involving high horsepower

For use with Martin taper bushed, QD and stock, and finished bore roller-chain style couplings (sold separately)

Steel for strength and durability

Holds the two hubs of the coupling assembly together

For use with specific Martin flange types (J type flanges in the case of JEM and JEMS type sleeves, and all flange types in the case of EM type sleeves) in the Quadra-Flex series flexible coupling assemblies (sold separately)

Thermoplastic rubber for resistance to oil and higher temperatures

Three types: one-piece solid (Type JEM), one-piece split (Type JEMS), and two-piece split with a metal retaining ring (Type EM) for applications where the coupled shafts are difficult to separate

Simplex sprocket coupling half for joining two perpendicular shafts

Sintered steel for strength and hardness

Hardened teeth for resistance to wear and fatigue

For use with specific Martin flange types (J type flanges in the case of JEM and JEMS type sleeves, and all flange types in the case of EM type sleeves) in the Quadra-Flex series flexible coupling assemblies (sold separately)

Thermoplastic rubber for resistance to oil and higher temperatures

Three types: one-piece solid (Type JEM), one-piece split (Type JEMS), and two-piece split with a metal retaining ring (Type EM) for applications where the coupled shafts are difficult to separate

Simplex sprocket coupling half for joining two perpendicular shafts

High carbon steel for tensile strength and hardness

Hardened teeth for resistance to wear and fatigue

chain number: 60

series: N600

number of links: 10

#60H Heavy Connecting Link Spring Clip QTY 10

Meets ASTM/ANSI Standards B29.27

For use with Martin taper bushed, QD and stock, and finished bore roller-chain style couplings (sold separately)

Nylon for corrosion resistance, low friction, and minimal additional weight to the coupling

Synthetic rubber seals along the bore keep lubricants contained and keep contaminants out

For use with Martin taper bushed, QD and stock, and finished bore roller-chain style couplings (sold separately)

Steel for strength and durability

Holds the two hubs of the coupling assembly together

chain number: 50

bore diameter: 1-1/8 in

number of teeth: 16

Simplex sprocket coupling half for joining two perpendicular shafts

High carbon steel for tensile strength and hardness

Hardened teeth for resistance to wear and fatigue

Simplex sprocket coupling half for joining two perpendicular shafts

High carbon steel for tensile strength and hardness

Hardened teeth for resistance to wear and fatigue

chain number: 40

bore diameter: 1/2 in

number of teeth: 12

ANSI #40 Industrial Roller Chain

Pitch Size: 0.500 Inch

Length: 10 Feet Box

ANSI #41 Industrial Roller Chain

Pitch Size: 0.500 Inch

Length: 10 Feet Box

For use with Martin taper bushed, QD and stock, and finished bore roller-chain style couplings (sold separately)

Fits Martin coupling covers (sold separately)

Synthetic rubber for high resistance to lubricants

For use with Martin taper bushed, QD and stock, and finished bore roller-chain style couplings (sold separately)

Nylon for corrosion resistance, low friction, and minimal additional weight to the coupling

Synthetic rubber seals along the bore keep lubricants contained and keep contaminants out

ANSI #35 Industrial Roller Chain

Pitch Size: 0.375 Inch

Length: 10 Feet Box

Simplex sprocket coupling half for joining two perpendicular shafts

High carbon steel for tensile strength and hardness

Hardened teeth for resistance to wear and fatigue

For use with Martin taper bushed, QD and stock, and finished bore roller-chain style couplings (sold separately)

Steel for strength and durability

Holds the two hubs of the coupling assembly together

chain number: 100

hub diameter: 6-23/32 in

number of teeth: 20