NEWS
Linhai Baiai Metal Forgings Co., Ltd.
26
2021
-
07
Selection of rolling bearing oil
Author:
Spindle bearing lubricants using rolling bearings are generally considered based on the product of the bearing inner diameter d and the spindle speed n, that is, the speed factor dn, the bearing operating temperature T, and the load P borne by the bearing. The variety of lubricating oil can choose COC high temperature resistant grease bearing oil, which can be determined according to product variety, working conditions and viscosity grade.
Bearing working temperature -30-0℃, normal load (3MPa) suitable oil viscosity (40℃) 18-32mm2/s, viscosity grade 22, 32; heavy load or shock load (3MPa-20MPa) suitable oil viscosity (40℃) ) 18-50mm2/s, viscosity grade 32, 46.
Bearing operating temperature 0-60℃, speed factor (dn value) below 15000mm.r/min, normal load suitable oil viscosity (40℃) 32-70mm2/s, viscosity grade 32, 46, 68, heavy load or impact load (3MPa-20MPa) Applicable oil viscosity (40℃) 70-192mm2/s, viscosity grade 68, 100, 150;
Speed factor (dn value) 15000-75000mm.r/min, normal load suitable oil viscosity (40℃) 32-50mm2/s, viscosity grade 32, 46, heavy load or impact load (3MPa-20MPa) suitable oil viscosity ( 40℃) 42-90mm2/s, viscosity grade 46, 68, 100;
Speed factor (dn value) 75000-150000mm.r/min, normal load suitable oil viscosity (40℃) 15-32mm2/s, viscosity grade 15, 32, heavy load or impact load (3MPa-20MPa) suitable oil viscosity ( 40℃)32-42mm2/s, viscosity grade 32; speed factor (dn value) 150000-300000mm.r/min, normal load suitable oil viscosity (40℃) 9-12mm2/s, viscosity grade 5, 7, 10, Heavy load or shock load (3MPa-20MPa) is suitable for oil viscosity (40℃) 18-32mm2/s, viscosity grade 15.
Bearing working temperature 60-100℃, speed factor (dn value) below 15000mm.r/min, normal load suitable oil viscosity 40℃110-192mm2/s (100℃9.3-12.5mm2/s), viscosity grade 150, heavy load Or impact load (3MPa-20MPa), suitable for oil viscosity (40°C) 195-240mm2/s (100°C 15-24mm2/s), viscosity grade 150;
Speed factor (dn value) 15000-75000mm.r/min, normal load is suitable for oil viscosity 40℃70-120mm2/s (100℃5.6-9.3mm2/s), viscosity grade 68, 100, heavy load or impact load ( 3MPa-20MPa) suitable oil viscosity (40℃) 110-192mm2/s, viscosity grade 150; speed factor (dn value) 75000-150000mm.r/min, normal load suitable oil viscosity 40℃50-90mm2/s(100℃ 5.6-9.3mm2/s), viscosity grade 46, 68, 100, heavy load or shock load (3MPa-20MPa) suitable for oil viscosity (40℃) 70-120mm2/s, viscosity grade 100.
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