... 4.ID: 10-300mm 5.Chrome steel GCr15 Pillow block ball bearing /Bearing Unit/Housing bearing This kind of bearings are composed of a single ... , UCF, UCFL, UCFK. UCFC, SA, SB seriesRings material: Chrome steel, bearing steel, high carbon steelID size: 10-600mmModel example: UCP320Inner diameter ... packing or as to your requirements Hot 2013 High precision Pillow Block Bearing UCP320