Spindle bearing oil
Spindle bearing oil is a premium-grade spindle lubricant formulated by blending refined base oils with a variety of antioxidant, anti-corrosion, and rust‑inhibiting additives. The inclusion of carefully selected anti-wear agents further enhances its exceptional lubricating performance, effectively reducing spindle temperature rise, minimizing wear, and extending service life. This product is available in grades 2, 5, 7, 10, and 15, classified according to kinematic viscosity at 40°C.
Category:
主轴轴承油
Industrial oil
Product Specifications:
Viscosity grade:
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Product Details
Product Overview:
Spindle bearing oil is a high‑quality spindle lubricant formulated by blending refined base oils with a range of antioxidant, anti‑corrosion, and rust‑inhibiting additives. The inclusion of carefully selected anti‑wear agents further enhances its exceptional lubricating performance, effectively reducing spindle temperature rise, minimizing wear, and extending service life. This product is available in grades 2, 5, 7, 10, and 15, classified according to kinematic viscosity at 40°C.
Performance characteristics:
Appropriate viscosity and excellent viscosity–temperature characteristics: To prevent the machine tool spindle from overheating, which could lead to thermal deformation, compromise machining accuracy, or result in inadequate bearing lubrication, it is essential to select a lubricant with a suitable viscosity based on the spindle bearing design, rotational speed, and bearing clearance. Furthermore, the lubricant should exhibit favorable viscosity–temperature properties to ensure that significant fluctuations in operating and ambient temperatures do not cause excessive changes in viscosity, thereby maintaining optimal lubrication performance.
Good lubricity: To ensure a uniform oil film between the contact surfaces of the spindle bearings and to prevent the oil film from breaking down under impact loads during spindle startup or shutdown, thereby maintaining excellent lubrication performance, reducing friction and frictional heat, minimizing spindle temperature rise, and guaranteeing machining accuracy, the lubricant must exhibit superior lubricity.
Good oxidation stability: When machine tool spindles are lubricated by a circulating system, the spindle bearing oil must remain stable over long-term use, preventing the formation of sludge that could clog oil passages and bearing clearances and cause corrosion. Therefore, the lubricant is required to exhibit excellent oxidation stability; China’s industry standard specifies an oxidation stability test duration of 100 hours (GB/T 12581).
Excellent rust-prevention properties: Since oil in the spindle lubrication system inevitably comes into contact with condensed moisture from the air or machine tool coolant, the lubricant must exhibit superior rust‑inhibiting performance—particularly in the humid, hot climates of southern regions, where this characteristic requires special attention.
Technical Specifications:
Implementation Standard: SH/T 0017—90
Scope of Application
FC spindle oil (bearing oil) is suitable for lubricating sliding bearings, rolling bearings, and related clutch‑pressure, oil‑bath, and oil‑mist (suspended‑particle) systems. It is also appropriate for clutches operating in ambient temperatures above 0°C. 2. FD bearing oil is designed for precision machine‑tool spindle bearings, instrument bearings, and other high‑speed sliding or precision rolling bearings that utilize circulating, oil‑bath, or spray lubrication. Grades 5 and 7 can also serve as high‑speed spindle oils in the textile industry; grade 10 may be used as a general‑purpose bearing lubricant or sewing machine oil; and grades 15 or 22 can function as hydraulic oils for low‑pressure systems. It should be used when the ambient temperature is above 0°C. When used for spindle lubrication, if the clearance between the spindle and bearing is 0.002–0.006 mm, use Grade 2 spindle oil (bearing oil); for clearances of 0.006–0.008 mm, select Grade 5 spindle oil (bearing oil); for clearances of 0.008–0.010 mm, use Grade 7 spindle oil (bearing oil); and for clearances of 0.010–0.020 mm, choose Grade 15 spindle oil (bearing oil).
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