6821RS-6932RS Rubber Sealed 6911ZZ-6918ZZ Iron Sealed Deep Groove Ball Bearing
6821RS 105x130x13 mm 6822RS 110x140x16 mm. 6930RS 150x210x28 mm 6932RS 160x220x28 mm. 6911ZZ 55x80x13 mm 6912ZZ 60x85x13 mm. 6917ZZ 85x120x18 mm 6918ZZ 90x125x18 mm. Rolling bearing housing material: Bearing steel.