Top plate 4" x 4-1/2" .
Zinc plated finish for corrosion resistance
1/2 hollow axle(or 3/4), 5/16 thick yoke.
Zerk fitting in swivel race for lubrication
Wheel bearing: roller
P.C.: 314031
Tel: 86-573-82795217
Fax: 86-573-82795216
Email: sales@reliablecaster.com
Website: http://www.casterschina.com
Scaffold Casters