438 Series

Rollers:
- 1-3/8” diameter x 18-gauge galvanized tube with 5/16” hex axle and ball bearings.
- Roller ends are swaged over the bearings to provide a smooth, full length carrying surface.
- Roller grooves are cold formed in the roller shell.
- Roller axles are 5/16” hex stock spring loaded for easy removal and assembly.
- The top of the roller is 1/8” above the top flange of the frame.
- Standard roller centers are available in 1-1/2”, 3” and 4-1/2”.
Frame:
- 10 gauge formed channel 4-1/2” deep with 1-1/4” flanges.
- Axle holes are 5/16” hex punched on 1-1/2” centers.
- Crossmembers are formed 10-gauge steel bolted to frame.
Drive Belts: 1/8” diameter x 83A durometer.
Drive Shaft: 1” diameter 1045 CRS to specific size tolerance.
Finish: Standard finish for painted components is Metzgar Medium Blue or Vista Green.
Pneumatic: Components are rated for 65 PSI filtered compressed air.