The conveyor bearings are designed to bear high levels capacity ,these bearings are affordable and wide use in conveyor roller systems. Hexagonal bore bearings are designed to contact hexagonal shafts Radial ball bearings without flanges have a cylindrical outer diameter for mounting in a straight rod housing. Hexagonal bore bearings are designed to contact the hex shaft.

Conveyor Hex Bore Plastic Bearing Specification:

Type: Converoy  bearing
Style: hexagonal bore
Hex size (inch): 7/16
Outer diameter ( inch): 1.7800
Width (inch): 0.9300
Flange type: without  flange
Number of rows: 1
Hole type: hex
Housing material: plastic 
Ball material: stainless steel
Static load capacity (lbs): 46
Dynamic load capacity (Lb.): 69
Maximum RPM: 1069

Hex bore plastic converoy bearing with stainless steel balls can be produce with OEM service .

You can send me your drawing or sample directly .