1.R-roller
R-roller Conveyor Chains have rollers with an outer diameter larger than the width of plates.
Because the rollers can effortlessly roll, the chain is suitable for operating around the floor even though the rollers get the reside load.
two.F-roller
F-roller Conveyor Chains have rollers with the same outer diameter as that of R-roller but with flanges.
Because the flanges can get the force acting to the lateral sides from the chain, the chain is ideal for getting the two 
a live load as well as a lateral load.
three.M-roller
M-roller Conveyor Chains have rollers with an outer diameter somewhat smaller sized than the width of plates.
An M roller is developed for smoother engagement using the sprockets. Since the chain is light in excess weight, it is ideal for vertical conveyance.
4.S-roller
S-roller Conveyor Chains have rollers with an outer diameter smaller sized than that from the M-roller.
The chain is ideal for vertical conveyance exactly where rollers are less prone to be worn.
5.BR- and BF- Rollers (with built-in bearings)
BR- and BF- Roller Conveyor Chains have primarily identical structure to R-roller and F Conveyor Chains, respectively, except for that bearings within for smoother rotation.
6.UR- and UF- Rollers (big clearance amongst bushing and roller)
UR- and UF- Roller Conveyor Chains have largely identical structure to R-roller and F Conveyor Chains, respectively. Nonetheless, the clearances involving the outer diameter of bushings as well as the inner diameter in the rollers are enlarged to prevent the rollers from repairing when foreign matters enter.
DK Conveyor Chains Typical Conveyor Chain
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