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Leaf Chain Accessories ANSI AL Series Leaf Chain ANSI BL Series Leaf Chain
Stainless Steel Leaf Chain

ANSI Leaf Chains


USA Roller Chain has the best prices and quality available on leaf chains with our premium and economy lines. You’ll find the right product whether you need a leaf chain for forklifts, machine tools, rolling door counter balances, or any other application. We vet all leaf chain suppliers and products for the highest-quality, most durable leaf chains. All of our leaf chains are heavy duty with tensile strengths that vary from thousands to tens of thousands of pounds. Our store features two types of leaf chain, the AL-Series for lighter lifting, and the BL Series for more heavy-duty work. Additionally, our leaf chains meet both ANSI and ASME standards.

When you buy leaf chains from USA Roller Chain, you won’t have to reorder for a good while. We have confidence in our products. If you’re not sure what chain you need to reorder for your machine, please don’t hesitate to give us a call. We get calls from customers regarding this issue all the time, and we’re happy to help.

BL Series Leaf Chain Sizes


Chain Size
Lacing
Pitch (P)
Tensile Strength
Weight (Per Ft)
Pin Diameter (D)
Pin Length (L)
Plate Height
Plate Thickness (T)
BL422 2X2 0.500" 6,200 lbs 0.46 lbs 0.200" 0.427" 0.472" 0.080"
BL423 2X3 0.500" 6,200 lbs 0.56 lbs 0.200" 0.510" 0.472" 0.080"
BL434 3X4 0.500" 9,300 lbs 0.76 lbs 0.200" 0.677" 0.472" 0.080"
BL444 4X4 0.500" 12,580 lbs 0.86 lbs 0.200" 0.764" 0.472" 0.080"
BL446 4X6 0.500" 11,000 lbs 1.11 lbs 0.200" 0.929" 0.472" 0.080"
BL466 6X6 0.500" 18,360 lbs 1.32 lbs 0.200" 1.094" 0.472" 0.080"
BL488 8X8 0.500" 24,500 lbs 1.61 lbs 0.200" 1.402" 0.472" 0.080"
BL522 2X2 0.625" 9,600 lbs 0.64 lbs 0.234" 0.498" 0.591" 0.094"
BL523 2X3 0.625" 9,600 lbs 0.79 lbs 0.234" 0.594" 0.591" 0.094"
BL534 3X4 0.625" 14,700 lbs 1.14 lbs 0.234" 0.791" 0.591" 0.094"
BL544 4X4 0.625" 18,050 lbs 1.27 lbs 0.234" 0.888" 0.591" 0.094"
BL546 4X6 0.625" 18,050 lbs 1.61 lbs 0.234" 1.083" 0.591" 0.094"
BL566 6X6 0.625" 28,000 lbs 1.88 lbs 0.234" 1.278" 0.591" 0.094"
BL588 8X8 0.625" 38,100 lbs 2.49 lbs 0.234" 1.665" 0.591" 0.094"
BL622 2X2 0.750" 14,100 lbs 1.13 lbs 0.312" 0.645" 0.713" 0.125"
BL623 2X3 0.750" 14,100 lbs 1.37 lbs 0.312" 0.778" 0.713" 0.125"
BL634 3X4 0.750" 23,000 lbs 1.90 lbs 0.312" 1.041" 0.713" 0.125"
BL644 4X4 0.750" 27,000 lbs 2.14 lbs 0.312" 1.173" 0.713" 0.125"
BL646 4X6 0.750" 27,000 lbs 2.69 lbs 0.312" 1.437" 0.713" 0.125"
BL666 6X6 0.750" 42,000 lbs 3.18 lbs 0.312" 1.701" 0.713" 0.125"
BL688 8X8 0.750" 53,682 lbs 4.02 lbs 0.312" 2.248" 0.713" 0.125"
BL822 2X2 1.000" 24,300 lbs 1.74 lbs 0.375" 0.794" 0.949" 0.156"
BL823 2X3 1.000" 24,300 lbs 2.15 lbs 0.375" 0.953" 0.949" 0.156"
BL834 3X4 1.000" 38,000 lbs 2.98 lbs 0.375" 1.281" 0.949" 0.156"
BL844 4X4 1.000" 48,000 lbs 3.39 lbs 0.375" 1.453" 0.949" 0.156"
BL846 4X6 1.000" 48,000 lbs 4.25 lbs 0.375" 1.772" 0.949" 0.156"
BL866 6X6 1.000" 72,000 lbs 5.07 lbs 0.375" 2.098" 0.949" 0.156"
BL888 8X8 1.000" 92,000 lbs 6.62 lbs 0.375" 2.764" 0.949" 0.156"
BL1022 2X2 1.250" 33,000 lbs 2.53 lbs 0.437" 0.994" 1.185" 0.187"
BL1023 2X3 1.250" 33,000 lbs 3.15 lbs 0.437" 1.138" 1.185" 0.187"
BL1034 3X4 1.250" 52,000 lbs 4.40 lbs 0.437" 1.530" 1.185" 0.187"
BL1044 4X4 1.250" 65,000 lbs 5.03 lbs 0.437" 1.708" 1.185" 0.187"
BL1046 4X6 1.250" 65,000 lbs 6.24 lbs 0.437" 2.114" 1.185" 0.187"
BL1066 6X6 1.250" 96,000 lbs 7.50 lbs 0.437" 2.514" 1.185" 0.187"
BL1088 8X8 1.250" 124,700 lbs 10.28 lbs 0.437" 3.300" 1.185" 0.187"
BL1222 2X2 1.500" 43,150 lbs 3.25 lbs 0.500" 1.104" 1.425" 0.219"
BL1223 2X3 1.500" 43,150 lbs 4.39 lbs 0.500" 1.335" 1.425" 0.219"
BL1234 3X4 1.500" 71,000 lbs 6.11 lbs 0.500" 1.791" 1.425" 0.219"
BL1244 4X4 1.500" 85,600 lbs 6.98 lbs 0.500" 2.020" 1.425" 0.219"
BL1246 4X6 1.500" 85,600 lbs 8.07 lbs 0.500" 2.478" 1.425" 0.219"
BL1266 6X6 1.500" 122,000 lbs 9.80 lbs 0.500" 2.936" 1.425" 0.219"
BL1268 6X8 1.500" 719.2 kN 11.06 lbs 0.500" 3.399" 1.425" 0.219"
BL1288 8X8 1.500" 163,000 lbs 14.45 lbs 0.500" 3.867" 1.425" 0.219"
BL1422 2X2 1.750" 50,700 lbs 4.91 lbs 0.562" 1.245" 1.661" 0.250"
BL1423 2X3 1.750" 50,700 lbs 6.09 lbs 0.562" 1.504" 1.661" 0.250"
BL1434 3X4 1.750" 83,000 lbs 7.61 lbs 0.562" 2.024" 1.661" 0.250"
BL1444 4X4 1.750" 100,400lbs 8.71 lbs 0.562" 2.285" 1.661" 0.250"
BL1446 4X6 1.750" 100,400 lbs 12.10 lbs 0.562" 2.805" 1.661" 0.250"
BL1466 6X6 1.750" 153,000 lbs 15.13 lbs 0.562" 3.325" 1.661" 0.250"
BL1488 8X8 1.750" 195,000 lbs 17.81 lbs 0.562" 4.410" 1.661" 0.250"
BL1622 2X2 2.000" 76,000 lbs 6.61 lbs 0.687" 1.401" 1.898" 0.281"
BL1623 2X3 2.000" 76,000 lbs 8.17 lbs 0.687" 1.703" 1.898" 0.281"
BL1634 3X4 2.000" 115,800 lbs 11.39 lbs 0.687" 2.299" 1.898" 0.281"
BL1644 4X4 2.000" 150,900 lbs 12.75 lbs 0.687" 2.593" 1.898" 0.281"
BL1646 4X6 2.000" 150,900 lbs 16.19 lbs 0.687" 3.191" 1.898" 0.281"
BL1666 6X6 2.000" 221,900 lbs 19.31 lbs 0.687" 3.785" 1.898" 0.281"
BL1668 6X8 2.000" 996.6 kN 18.44 lbs 0.687" 4.291" 1.898" 0.281"
BL1688 8X8 2.000" 255,100 lbs 24.60 lbs 0.687" 5.059" 1.898" 0.281"
BL2022 2X2 2.500" 102,000 lbs 10.62 lbs 0.938" 2.040" 2.376" 0.391"
BL2023 2X3 2.500" 102,200lbs 13.31 lbs 0.938" 2.430" 2.376" 0.391"
BL2034 3X4 2.500" 153,000 lbs 18.62 lbs 0.938" 3.217" 2.376" 0.391"
BL2044 4X4 2.500" 204,000 lbs 21.24 lbs 0.938" 3.607" 2.376" 0.391"
BL2046 4X6 2.500" 204,500 lbs 26.55 lbs 0.938" 4.390" 2.376" 0.391"
BL2066 6X6 2.500" 306,000 lbs 31.86 lbs 0.938" 5.174" 2.376" 0.391"
BL2088 8X8 2.500" 409,000 lbs 42.47 lbs 0.938" 6.772" 2.376" 0.391"

AL Series Leaf Chains


Chain Size Lacing Pitch (P) Min. Tensile Strength Weight (Per Ft) Pin Diameter (D) Pin Length (L) Plate Height Plate Thickness (T)
AL322 2X2 0.375" 2,045 lbs 0.2 lbs 0.141" 0.27" 0.30" 0.051"
AL344 4X4 0.375" 4,090 lbs 0.3 lbs 0.141" 0.46" 0.30" 0.051"
AL422 2X2 0.500" 3,205 lbs 0.3 lbs 0.156" 0.33" 0.41" 0.059"
AL444 4X4 0.500" 6,409 lbs 0.5 lbs 0.156" 0.57" 0.41" 0.059"
AL466 6X6 0.500" 9,614 lbs 0.8 lbs 0.156" 0.81" 0.41" 0.059"
AL522 2X2 0.625" 5,000 lbs 0.4 lbs 0.200" 0.44" 0.50" 0.080"
AL534 3X4 0.625" 7,500 lbs 0.7 lbs 0.200" 0.67" 0.50" 0.080"
AL544 4X4 0.625" 10,000 lbs 0.8 lbs 0.200" 0.76" 0.50" 0.080"
AL566 6X6 0.625" 15,000 lbs 1.2 lbs 0.200" 1.08" 0.50" 0.080"
AL622 2X2 0.750" 8,409 lbs 0.6 lbs 0.234" 0.51" 0.61" 0.095"
AL644 4X4 0.750" 14,450 lbs 1.2 lbs 0.234" 0.89" 0.61" 0.095"
AL666 6X6 0.750" 22,750 lbs 1.8 lbs 0.234" 1.27" 0.61" 0.095"
AL688 8X8 0.750" 30,317 lbs 2.4 lbs 0.234" 1.66" 0.61" 0.095"
AL822 2X2 1.000" 12,886 lbs 1.0 lbs 0.312" 0.63" 0.81" 0.128"
AL844 4X4 1.000" 25,773 lbs 2.0 lbs 0.312" 1.16" 0.81" 0.128"
AL866 6X6 1.000" 38,636 lbs 3.0 lbs 0.312" 1.74" 0.81" 0.128"
AL1022 2X2 1.250" 20,114 lbs 1.6 lbs 0.375" 0.77" 1.01" 0.157"
AL1044 4X4 1.250" 40,227 lbs 3.1 lbs 0.375" 1.43" 1.01" 0.157"
AL1066 6X6 1.250" 60,227 lbs 4.8 lbs 0.375" 2.06" 1.01" 0.157"
AL1088 8X8 1.250" 80,454 lbs 6.7 lbs 0.375" 2.70" 1.01" 0.157"
AL1222 2X2 1.500" 28,864 lbs 2.5 lbs 0.437" 0.96" 1.20" 0.189"
AL1244 4X4 1.500" 57,727 lbs 4.7 lbs 0.437" 1.72" 1.20" 0.189"
AL1266 6X6 1.500" 86,591 lbs 7.1 lbs 0.437" 2.49" 1.20" 0.189"
AL1288 8X8 1.500" 115,450 lbs 9.4 lbs 0.437" 3.25" 1.20" 0.189"
AL1444 4X4 1.750" 84,705 lbs 7.0 lbs 0.498" 2.02" 1.43" 0.220"
AL1466 6X6 1.750" 127,045 lbs 10.2 lbs 0.498" 2.94" 1.43" 0.220"
AL1644 4X4 2.000" 107,045 lbs 8.7 lbs 0.559" 2.28" 1.64" 0.252"
AL1666 6X6 2.000" 160,454 lbs 13.3 lbs 0.559" 3.30" 1.64" 0.252"
AL1688 8X8 2.000" 214,090 lbs 17.1 lbs 0.559" 4.31" 1.64" 0.252"

Identifying leaf chain is a simple task that can save you from getting the wrong product. In the below video we demonstrate exactly what all is needed for proper leaf chain measurement. For more information or assistance please contact us and we will be happy to assist you.

It is important to inspect your leaf chains on a regular basis to prevent catastrophic failure that can result in equipment and person damage. The chart below indicates several common wear and protocols for your leaf chain.
Problem Possible Cause Solution
Circumferential Wear of Plate
Wear Replace the chain if wear is or exceeds 5% of original side-plate height.
Oblique Wear of Plate and Pin Head
Misalignment of Guide or Pulleys Re-Align Machine
Stiff Link
Dust or foreign substances are contained in a bending portion
corrosion and rust
Bent Pin
Wash Chain and Lubricate
Replace the Chain
Replace the Chain
Abnormal Protrusion or Rotation of Pin Head

Excessive Tension by Overload or Insufficient Lubrication Replace the chain, lubricate, and eliminate overload
Wear Elongation
This occurs with normal wear over time or can be the result of a permanent deformation due to overload. Replace the chain when its length becomes 1.03L.
Note: Wear elongation of a chain will lower its tensile strength (wear elongation of 3% lowers the tensile strength by 18%)
The wear life of the chain can be increased by using lubrication.
Cracked Plate (1) where the crack from hole of a link plate in the direction perpendicular to tension direction.
Load exceeding the allowable tension of chain Replace the chain with a chain of higher maximum allowable tension, or lower the load of dynamic shock load.
Cracked Plate (2) where the crack takes place in an oblique direction against tension direction
Heavy rust or corrosion to a corrosive material. Replace the chain and protect it from corrosive circumstances.
Broken Plate by High Tension
Overload Replace the chain and eliminate the cause of overload.
Enlarged plate hole
Overload Replace the chain and eliminate the cause of overload.
Corrosion of pit
Corrosive Circumstances Replace the chain, and protect from corrosive circumstances
Wear of Connecting Pin
Normal Wear Replace the Worn Component

We offer a selection of leaf chain accessories including lubrication, leaf chain breakers, and leaf chain connecting links
Leaf Chain Breakers
At USA Roller Chain we supply leaf chain breakers to a range of customers and offer two different styles. For more information or quotes please contact us.
The Hand-Held Breaker:

This hand-held unit is easy to use, made from high-grade tool steel, and completely presses the pins through the chain for seamless and easy disassembly.
Stationary Leaf Chain Breaker:

This German manufactured stationary leaf chain breaker is made for all-day every-day leaf chain breaking. It's supplied with ANSI die sets for almost every leaf chain size out there!
Leaf Chain Lubricant

Lubrication is essential to leaf chain operation and extending the life of the leaf chain. We supply a broad range of chain lubricants for any application.
Leaf Chain Connecting Links

Connecting links are also commonly called master links, they are manufactured for connecting two ends of the chain together.


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