CRL G3151 Sliding Window Roller with 17/32" Brass Wheel - Rollyson Series 400
Fits Rollyson Series 400 Windows. ThisCRL Window Ball Bearing Roller Assembly has a 7/16" (11 mm) black nylon housing with a 17/32" (13.4 mm) solid brass flat edge roller and brass axle. This unit is used by Rollyson Series 400 Windows.