... Tolerance gradeGB/T307.1-205 ID Size 10mm~280mm Quality standardISO 9001:2000 standard Precision P0, P6, P5Steel pressed cageBending claw ... requirement DetailsWe have complete process for the production and quality assurance to make sure our products can meet your ... ,31000 series, 33000 series, 33100 series 33200 series, non-standard series.TypeSingle-row taper roller bearing, Double-row taper roller ...