Feature: 1. The bearing rotates at high speed with minimal frictional resistance, so as to obtain high‑accuracy smoothly motion. 2. Can used in machine tools, papermaking machinery, mechanical gears, motors, wind generators, steel equipment, mining equipment, etc. 3. The outer ring and inner components (inner ring, roller and cage components) can be separated for easy assembly and disassembly. 4. Strict quality control and quality assurance, high safety factor, can be used with peace of mind. 5. Made of high-quality steel materials, strong and durable, has a long service life. Specification: Item Type: Tapered Roller Bearing Set Product Material: Steel Model: 32004（2007104E） Raceway Type: Tapered raceway Number of Rolling Body Columns: Single column Rolling Part: Tapered roller Main Applicable Cage: J steel plate stamping cage Inner Diameter: Approx. 20mm / 0.8in Outer Diameter: Approx. 42mm / 1.7in Instructions for Use: 1. The bearing is a separate type, the user can adjust the clearance according to the needs when installing 2. The bearing should be cleaned with gasoline or kerosene before use and kept well lubricated 3. When the bearing is installed, the bearing should be pressed into the component and beating is strictly prohibited 4. The bearing storage place should be cleanly and ventilated to avoid moisture. Bearings that need long‑term storage should be regularly rust‑proof . Package List: 4 x Bearing