Lantech replacement-part references

Q-Semi bearing / urethane race kit

Q-series pre-stretch driven roller, bottom driven / underside carriage; 3-3/8 in OD x 23-1/8 in; open-cell; metric keyway

Driven prestretch roller; approx 31 in long x 4 in OD; open-cell coated; metric keyway

Q-Semi 20-in PRS roller kit

Q-Semi 30-in PRS roller kit

S-Auto / Q-Auto / S-Semi 20-in stamped-bearing PRS roller kit

S-Auto / Q-Auto / S-Semi 30-in stamped-bearing PRS roller kit

S-Auto / S-Semi 30-in cast-bearing PRS roller kit

Bearing urethane race Q-series component; direct subcomponent candidate within recurring Q-series bearing/race service family