Brushes

Type A3TA1091ZC
Minimum Revolution Under No-Load (When 13.5 volts is applied) 1300 RPM
Minimum Length of Brush 8.0 mm (0.315 inch)
Slip Spring Minimum Outer Diameter 22.1 mm (0.870 inch)
Brush Spring Pressure 3.138-4.315 N (11.29-15.52 oz.)