CL 899769 Swivel Caster for Nilfisk Clarke Walk-Behind Floor Scrubbers. A heavy duty 5" x 2" polyurethane swivel caster assembly. This cast wheel is secured to a 4-1/2" x 3-3/4" steel mounting plate. There are three total grease fittings for easy servicing. One is located on the wheel axle, one on the axle housing, and the other on the swivel bearing on the mounting plate. Fits Nilfisk Clarke, Alto, and American Lincoln floor scrubber models including Clarke Encore L28/S28/D28, Encore L33/S33/D33, Encore L38/S38/D38, Encore 33HD, Clarke Focus L28/S28, Focus L33/S33, Focus L38/S38, Focus C28/C33, Clarke Boost 32, Clarke Vision 21i, Vision V, Vision 26i/26ix, Vision 32i/32ix, Vision 38i, Clarke Fusion 20i/20ix, ScrubTec Series (770S, 770L, 784S, 784L, 795S, 795L) and many others. Most models require one or two caster assemblies. Priced Each. Replaces Nilfisk Clarke 899769. Our Part Number CL 899769