PROLUBE 6 oz Automatic Grease Feeder for Bearings, Constant 1-2 PSI Spring System, Clear Dome Visual Inspection, 1/8" NPT, 3 Springs Included, Reusable (47722)

Stop wasting time on manual greasing schedules. The PROLUBE 6 oz Grease Feeder automatically lubricates bearing housings with precision-controlled pressure, preventing equipment failures from over or under-greasing. Perfect for grain bins, conveyors, rock stackers, and industrial machinery where continuous lubrication is critical.The spring compression system maintains a steady 1-2 PSI discharge as grease depletes, ensuring consistent bearing protection. The clear polycarbonate dome lets you check grease levels during routine inspections without tools or downtime. Simply refill when needed—the unit reactivates immediately for uninterrupted service.Works with all bearing types including anti-friction, roller, bronze, and shielded bearings. Mounts in any position with the included 1/8" NPT male steel adaptor. Three interchangeable springs (light/medium/heavy) let you dial in the perfect feed rate for your conditions. Compatible with NLGI 0-4 non-separating greases. Operates reliably from -10°F to 250°F.

• ELIMINATE MANUAL GREASING LABOR - Automatic spring compression system delivers controlled lubrication to bearing housings 24/7, saving maintenance time and reducing site visits for grain bins, conveyors, and industrial equipment
• PREVENTS OVER-GREASING & EQUIPMENT DAMAGE - Maintains constant 1-2 PSI discharge pressure that adjusts automatically as grease depletes; eliminates the guesswork and bearing failures caused by improper lubrication
• SEE GREASE LEVELS AT A GLANCE - Transparent polycarbonate dome provides instant visual confirmation of remaining grease; no need to disconnect or disassemble to check lubrication status during equipment rounds
• VERSATILE MOUNTING & REFILLING - Install in any position on anti-friction, roller, or bronze bearings with 1/8" NPT adaptor; refills in seconds with immediate reactivation; works with NLGI 0-4 non-separating greases
• COMPLETE KIT WITH 3 INTERCHANGEABLE SPRINGS - Includes light, medium, and heavy-duty springs to match your operating conditions; medium spring pre-installed; operates -10°F to 250°F for year-round reliability