RRS and RRSC Variety Radially Removable Spacer Couplings
RRS Sort couplings range from sizes RRS090 to RRS225. The RRS Form
coupling includes:
RRS090 – RRS110:
2 Typical RRS Hubs
one Spacer Assembly consisting of:
2 snap wrap spiders w/o ring
2 collars with screws
one spacer
RRS150 – RRS225:
one Normal RRS Hub
1 Conventional 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 Style Inch Hubs supplied typical with two set screws at 90°.
Attributes
Typical API based mostly spacers out there
Radially removable inserts
Regular Lovejoy hub style and design with extra set screw at 90°
C Style Couplings
The C Kind coupling consists of two conventional hubs, one cushion set and collar with hardware.
Functions
Greater torque and bore capacity compared to the L-Line series jaw coupling
Elastomeric cushions are radially removable
Cushions readily available in SXB rubber and Hytrel