What it is
The Omron R88A-CRUB005N is the UT-series encoder / resolver cable listed in the Sensors > Encoders class, sitting in the Encoder & Resolver Cables sub-category.
Lifecycle and sourcing posture
The lifecycle flag on this listing reads current, so the cable is sourced as an active line item against an RFQ rather than via last-time-buy or surplus channel. No official successor or cross-reference is recorded for this code; quote the same part number to order.