NSK Japan 6904 C3 Deep Groove Ball Bearing, OPEN Type, No Seals 61904 20x37x9 mm
Item Number : 6904C3 NSK. Radial Internal Play : C3 Internal Play (greater than standard Cn). C3 : Internal clearance larger than normal. Category : Deep Groove Ball Bearings Single Row. Heat Stabilization : Suitable for temperatures up to 120 °C; no heat stabilization.