Hamilton High-Heat Noiseless Ultratherm™ Wheel rated up to 572@deg; F with 4"  Diameter x 1 3/8" Wide x 1 3/4" Hub Length with 3/8" High-Heat Stainless Prec. BB
Bearing Size: 3/8
Center Design: 
Wheel Color: White Rubber on Black Center
Diameter: 4
Diameter M: 
Diameter P: 
DIM R: 
Face K: 
Face S: 
Hub Diameter: 1.63
Hub Length: 1.75
Length H: 
Wheel Face: 1.38