Small Machinery bearing parts 1.Precision to 0.002mm 2.OEM available 4. ... , Flange, Coupling, BOP Body, Tube Plate, Roller Forging, Roller Shell, Ring Forging, Gears, Gear Blank, Gear Shaft, Gear Wheel. 2. Materials ... (m) Length(m) Shaft ≤2.5 ≤15 Block ≤4.0 / Ring ≤4.9 ≤3.5 Cylinder ≤1.5 ≤8.0 7 ... . Certification: ISO9001: 2000, CCS 10. OEM and Customized service offered Bearing parts