RRS and RRSC Form Radially Removable Spacer Couplings
RRS Variety couplings range from sizes RRS090 to RRS225. The RRS Sort
coupling consists of:
RRS090 – RRS110:
two Common RRS Hubs
one Spacer Assembly consisting of:
2 snap wrap spiders w/o ring
two collars with screws
one spacer
RRS150 – RRS225:
one Conventional RRS Hub
one Typical RRSC Hub – Drilled for collar
1 Spacer Assembly consisting of:
2 snap wrap spiders w/o ring
two collars with screws
1 spacer
Note:
RRS Kind Inch Hubs presented standard with two set screws at 90°.
Capabilities
Regular API primarily based spacers available
Radially removable inserts
Common Lovejoy hub layout 
with more set screw at 90°
C Kind Couplings
The C Kind coupling includes two typical hubs, one cushion set and collar with hardware.
Options
Better torque and bore capacity than the L-Line series jaw coupling
Elastomeric cushions are radially removable
Cushions out there in SXB rubber and Hytrel