Typical Diamond Wheel and CBN Wheel Speeds
Wheel Diameter RPM Range
3″ 5200 – 8000
4″ 4600 – 6500
5″ 3600 – 5000
6″ 3200 – 4200
7″ 2600 – 3600
8″ 2300 – 3000
10″ 1800 – 2500
Formula: To calculate wheel speed in SFPM – Diameter (in ft) x 3.142 x RPM