Bearing Oil M

Rust and Oxidation-Inhibited Circulating Oil

Phillips 66®Bearing Oil M is a high-quality, rust and oxidation (R&O)-inhibited circulating oil specifically developed for the lubrication of backup roll bearings manufactured by Morgan Construction Company. It meets the performance requirements for “super demulsibility” as defined by Morgan’s Advanced Lubricant Specification, Revision 2.5, for use in hot and cold rolling mill operations.

Features & Benefits

• Excellent water-separating properties

• Excellent oxidation resistance and thermal stability

• Protects against rust and corrosion

• Good foam resistance


• Backup roll bearings manufactured by Morgan Construction Company

• Backup roll bearings in hot and cold rolling mills

• Bearing lubrication in steel mills

• Circulating systems where water contamination is a problem

• Large, slow-speed gears in mixers and mills

Technical Details

Licenses & Approvals

Bearing Oil M meets the requirements of the following industry and OEM specifications:

• Morgan Construction Advanced Lubricant Specification, Revision 2.5 (05/2009)

• SMS Siemag SN 180 Part 4 (07/2009)

• U.S. Steel 135, Mill Circulating Oil

Additional Details
ISO Grade150
Specific Gravity @ 60°F0.878
Density, lbs/gal @ 60°F7.32
Color, ASTM D15002.5
Flash Point (COC), °C (°F)265 (509)
Pour Point, °C (°F)-20 (-4)
cSt @ 40°C150
cSt @ 100°C14.8
SUS @ 100°F788
SUS @ 210°F78.9
Viscosity Index98
Acid Number, ASTM D974, mg KOH/g0.05
Copper Corrosion, ASTM D1301a
Demulsibility, ASTM D1401, minutes to pass<20
Demulsibility, ASTM D2711
Free Water @ 52°C, mL>30
Demulsibility, UEC Dynamic Endurance Test
Water in Oil after Centrifuging, vol %<10
Oil in Water after Centrifuging, vol %<1
Foam Test, ASTM D892, Seq. I, mL0/0
Oxidation Stability, RPVOT
ASTM D2272, minutes350
Rust Test, ASTM D665 APass