Purchase Of Lab Equipments For Mechanical Department - Lab Equipments, Coupling Unit Using Driving And Driven Shafts Using Plummer Block Bearing Unit  The Plummer Block Housing Material: Cast Iron (grade Fg 200 Or Equivalent)  Type: Sng Or Snl Series (split-type Housing)  Sealing: Felt Seals Or V-ring Seals ( To Demonstrate Lubrication Retention)  Lubrication: Provided With Grease Nipple At The Top Center For Manual Lubrication Practice  The Bearing Type: Self-aligning Ball Bearing (1200 Series) Or Spherical Roller Bearing (22200 Series)  Bore Diameter: Standard 25 Mm Or 30 Mm  Shafting And Coupling : Shaft Material Ground Carbon Steel (en8 Or En9) For High Surface Finish  Coupling Types: Flexible Coupling To Demonstrate The Bearing ‘s Ability To Handle Slight Misalignment  Rigid Flange Coupling : To Demonstrate Traditional Direct Connection  Driving/driven Setup: One Shaft Connected To Small Electric Motor (driving), And The Other To A Brake Drum Or Load (driven)