Shell Morlina S2 BL 22
Shell Morlina S2 BL 22 is a high-performance low viscosity bearing and circulating oil specifically designed for high-speed machine tool applications. Formulated using carefully selected mineral base oils combined with zinc-free additive technology, the lubricant is engineered to provide reliable lubrication and extended performance in high-speed spindle systems and precision machine components. Its low viscosity characteristics help ensure efficient operation while minimising heat generation in demanding high-speed environments.
One of the key benefits of Shell Morlina S2 BL 22 is its excellent oxidation resistance, which helps extend lubricant service life and reduce maintenance costs. Industrial equipment operating at high speeds can experience significant heat and exposure to air, water and metal catalysts such as copper. The oil is formulated with a proven rust and oxidation inhibitor system that provides high resistance to oxidation under these demanding conditions. This helps maintain lubricant stability, minimise sludge formation and ensure consistent lubrication performance throughout extended operating periods.
Shell Morlina S2 BL 22 also provides reliable wear and corrosion protection for bearings and circulating lubrication systems. The well-balanced additive package delivers effective anti-wear performance while remaining compatible with softer bearing metals. This ensures that sensitive machine components are protected without causing chemical reactions that could damage precision equipment. In addition, the additive system enhances the oil’s natural corrosion protection properties, helping prevent rust formation and extend bearing life in industrial machinery.
The low viscosity formulation of Shell Morlina S2 BL 22 plays a crucial role in maintaining system efficiency in high-speed equipment. The carefully selected base oils promote smooth operation of machine elements by reducing friction and minimising heat build-up generated through mechanical energy losses. This helps maintain stable operating conditions, improve equipment performance and ensure precise machine operation in high-speed applications such as automated manufacturing systems and precision machining equipment.
Shell Morlina S2 BL 22 is suitable for a variety of machine lubrication systems including machine bearing and circulating oil systems that utilise oil-lubricated plain or rolling element bearings. It is particularly recommended for high-speed spindle lubrication in machine tools, where light viscosity oils are required to maintain efficient lubrication and accurate machine performance. These oils are commonly used in high-speed frames, automated machinery and precision manufacturing environments.
The product meets the requirements of the Five Group Cincinnati P-45 specification for light spindle oils, confirming its suitability for demanding machine tool lubrication applications.
Physical characteristics include a kinematic viscosity of approximately 22 mm²/s at 40°C and 4.4 mm²/s at 100°C, with a viscosity index of approximately 105. The oil has a density of around 854 kg/m³ at 15°C, a flash point of approximately 210°C and a pour point of approximately –33°C. These properties help ensure reliable lubrication performance across a wide range of high-speed industrial operating conditions.

