INA Track Roller, Stud, Series: KR..-PP, 19 mm Roller Dia, 11 mm Roller Width, 8 mm Stud Dia, 20 mm Stud Length, M8 x 1.25, 10 mm Thread Length, 3500 N Dynamic/4000 N Static/540 N Fatigue, 11000 rpm Maximum, -30 to 100 deg C, Standard Stud, Sealed Closure, Slotted, Uncoated