Drive wheel is CNC machined with 24 mm bore (H7 tolerance). Bore is equipped with a 8 mm key way and a M5x20mm set screw. Surface of wheel is truly crowned to insure belt won’t jump off wheel. Please refer to the wheel’s sketch for the exact wheel dimensions
Two x 50 mm diameter Idler Wheels:
Each wheel is fitted with two 1/2" 12.7mm bearings. (Heavy duty 1616 bearings) Bearings are rubber sealed to protect from dust.
One 75 mm diameter Track Wheel:
Each wheel is fitted with two 1/2" 12.7mm bearings. (Heavy duty 1616 bearings) Bearings are rubber sealed to protect from dust. Surface of wheel is truly crowned to insure belt won’t jump off wheel.
