Lube-Free Chain
For use where normal lubrication is not practical, i.e., food processing equipment, packaging machines, printing and binding equipment, and textile machines.
High quality lubricant is impregnated into the sintered metal bushings. Joint movement between the pin and bushing releases the necessary volume of oil to the pin surface and other parts, thereby minimizing chain elongation and eliminating the risk of chain seizure from insufficient lubrication. See our Drive Series LAMBDA ® (page A-25) and Conveyor Series LAMBDA chains (page B-11) for additional specifications on other lube-free chains.
Pitch Bushing Width
Pin
Link Plate
Average Approx. Tensile Weight Strength lbs./ft.
U.S. TSUBAKI
Diameter Between
Inner Link
Plates
lbs.
P
B
W D
L 1
L 2
T
H
h
Chain No. RS40SL RS50SL RS60SL
.500 .625 .750
.312 .400 .469
.297 .359 .485
.156 .200 .234
.325 .406 .506
.392 .472 .581
.060 .080 .094
.472 .591 .713
.409 3,300 .512 5,200 .614 7,400
.43 .70
1.03
FX Chain FX CHAINS U.S. Tsubaki FX chains feature excellent durability and flexibility for tough applications such as in concrete mixers, earth moving equipment, and mining machines. 1. FX chains are interchangeable with ASME/ANSI standard chains and can operate on the same ASME/ANSI standard sprocket. 2. Increased clearance between pins and bushings allows the chains to accommodate a 4 inch lateral side bow and an 8 degree twist per 4 feet of chain.
Pitch
Roller
Width
Pin
Average Tensile Strength
Approx. Weight lbs./ft.
U.S. TSUBAKI
Diameter
Between Roller Link
Plates
lbs.
P
R
W
L 1
L 2
Chain No. RS100FX RS120FX RS140FX RS160FX RS180FX
1.250 1.500 1.750 2.000 2.250
.750 .875
.750 1.000 1.000 1.250 1.406
.778 .980
.900 1.138 1.248 1.451 1.671
24,000 34,000 46,000 58,000 72,000
2.51 3.69 5.00 6.53 8.69
1.000 1.125 1.406
1.059 1.254 1.404
A-70
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