Stainless Steel Spherical Roller Bearing (30200, 30300, 32200, 32300, 33000) 1. Superior quality with favorable price 2. ISO9001; 2008 3. Prompt delivery 4. 22years experiences Greese/Oil: As you requirement, such as SRL, PS2, Alvania R12 and so on Series Series: 30200, 30300, 32200, 32300, 33000, etc. Ring Material: Chrome Steel, Carbon steel, Stainless steel Tolerance grade: GB/T307.1-205 ID Size: 10mm~280mm Quality standard: ISO 9001: 2000 standard Precision: