one.R-roller
R-roller Conveyor Chains have rollers with an outer diameter greater compared to the width of plates.
Because the rollers can effortlessly roll, the chain is appropriate for working to the floor though the rollers obtain the live load.
two.F-roller
F-roller Conveyor Chains have rollers together with the identical outer diameter as 
that of R-roller but with flanges.
Because the flanges can acquire the force acting on the lateral sides of your chain, the chain is appropriate for obtaining the two a reside load and also a lateral load.
3.M-roller
M-roller Conveyor Chains have rollers with an outer diameter slightly smaller than the width of plates.
An M roller is developed for smoother engagement using the sprockets. Because the chain is light in bodyweight, it can be appropriate for vertical conveyance.
4.S-roller
S-roller Conveyor Chains have rollers with an outer diameter smaller than that from the M-roller.
The chain is ideal for vertical conveyance in which rollers are much less more likely to be worn.
five.BR- and BF- Rollers (with built-in bearings)
BR- and BF- Roller Conveyor Chains have primarily identical framework to R-roller and F Conveyor Chains, respectively, except for that bearings inside for smoother rotation.
six.UR- and UF- Rollers (big clearance in between bushing and roller)
UR- and UF- Roller Conveyor Chains have generally identical framework to R-roller and F Conveyor Chains, respectively. However, the clearances involving the outer diameter of bushings and the inner diameter with the rollers are enlarged to prevent the rollers from fixing when foreign issues enter.