1/2" Wheel Bearing

1/2" inner diameter bearing. Wheel bearing for Go-Quad, Super Go-Quad, Quad 25, Quad 30, and Tow-ped. Rear wheel bearing for GSR Sport. PMW part # Q1038A.  

Bearing # is 1616 3RS
Bearing size is  
1/2 x 1 1/8 x 3/8  
.500 x 1.125 x .3750 
Metric equivalent  29 x 13 x 10