Shell Morlina S4 B 320
Advanced Bearing & Circulating Oils
Shell Morlina S4 B oils are high performance synthetic bearing and circulation lubricants, based on high performance base fluids. They offer outstanding performance under severe operating conditions, including improved energy efficiency and long service life even in severe operating conditions.
Main Applications
- Severe operating conditons
Shell Morlina S4 B is recommended for systems including moderately loaded gearboxes, operating under severe conditions such as low or high temperatures or with wide temperature variations.
- Lubricated for life systems
The long oil life of Shell Morlina S4 B makes it suitable for use in certain ‘lubricated-for-life’ systems.
- Bearing and circulating oil systems
Suitable for use in systems containing plain or rolling element bearings, including those highly loaded bearings found in such as those found in cement or quarrying applications.
Where Bearing & Circulating oils with a lower viscosity is required (ISO VG 32 and 46), please use Shell Corena S4 R.
- Alfa Laval Group D gearbox applications
- Aerzen Maschinenfabrik GmbH Blower Applications
- Baltimore Aircoil Gear Boxes
- Cincinnati Machine Various P applications
- David Brown Table H applications
- Emerson Power Transmission
- GEA Westfalia Separator GmbH
- Renold Gears (various applications)
- Sharpe E-series worm gear reducers
- Winsmith (Peerless-Winsmith Inc.) worm gear reducer
- ISO 12925-1 Type CKS specification
- Seal & Paint Compatibility
Shell Morlina S4 B is compatible with all seal materials and points normally specified for use with mineral oils.
- Change-over Procedure
Shell Morlina S4 B is compatible with petroleum mineral oils and no special change-over procedure is necessary. However, to realize the full benefits, it should not be mixed with other oils.
It is also advisable to ensure that oil systems are clean and free from contamination to optimize potential service life.



