North America | Europe

Steel

Bearing Type

ZA 2207, Rexnord housed roller bearings

Conditions

Slow speed; ambient temperature; soapy water. Bearing life 2-3 weeks.

Results

Currently getting 6 weeks life out of bearings.

Bearing Type

Tapered roller bearings

Conditions

Billet comes out of reheat furnace and dependent on size and shape, may need to be turned 90° prior to entering mill stand for rolling. Estimated ambient temperature is 300 – 400° F and bearing life was approximately 2 months.

Results

Bearings were filled with MPI-2000, high temperature MicroPoly. Bearings have been running for 9 months so far with no failures.

Bearing Type

Roller thrust bearings, about 100 mm bore

Conditions

Water, scale and heat contamination, combined with limited ability to lubricate and inability to contain grease. Temperature less than 120°F.

Results

Bearing life was more than doubled.

Bearing Type

Spherical and split roller bearings

Conditions

Inconsistent bearing lubrication due to availability problems and safety considerations. This caused inconsistent bearing life.

Results

Bearing life increased three to fourfold. Some plants totally eliminated manual lubrication.

Bearing Type

Spherical roller bearing, 22226CK

Conditions

Heat from furnace melted lubricant in bearing, causing melted lubricant to leak onto the steel strip. Temperature 300°F.

Results

High temperature MicroPoly was installed in the bearings. The leakage problem has been solved, eliminating the need to scrap materials due to lubricant contamination.

Bearing Type

Tapered roller bearing, 7" bore

Conditions

Water and heat. MicroPoly serves as a back up to an automatic lubrication system to reduce the unscheduled maintenance. Bearing life was unpredictable and inconsistent.

Results

Bearings have been in use for 2 years.

Bearing Type

Rexnord housed roller bearings

Conditions

Bearings operate at 300°F. Bearing speed 80 RPM. Bearing life 2-3 weeks.

Results

Bearings were filled with high temperature MicroPoly. Bearings have been running 3 months so far with no failures.

Bearing Type

1" x 2" x 12" chain lube block

Conditions

Some radiant heat, less than 200 degrees F. Previous chain guide material did not hold up and had to be replaced 3 or 4 times per year.

Results

MicroPoly chain lube blocks, placed at interval spacing, reduced replacement frequency of chain guide to once per year. This resulted in saving significant material replacement and labor costs.

Bearing Type

Housed roller bearings

Conditions

Conveyor removes scale from a water and scale pit. Bearing life 6 to 8 days.

Results

MicroPoly filled bearings have lasted over 8 months.

MicroPoly Type

Bronze liners plugged with MicroPoly

Conditions

Normal mill environment, lube lines were damaged. Life unpredictable.

Results

Achieved 4 to 10 years life with MicroPoly.

MicroPoly Type

Bronze bushings plugged with MicroPoly

Conditions

Steel shot contamination. Life unpredictable.

Results

Life increased three to fourfold with MicroPoly.

Bearing Type

Spherical roller bearings, 23124

Conditions

Water quench.

Results

MicroPoly filled bearings have increased life threefold.

Bearing Type

Spherical roller bearings, 22211

Conditions

Bearings were located deep within the equipment and could not be externally lubricated. Bearing life was 6 months.

Results

MicroPoly filled bearings have been running 3 years with no failures. Cost savings have been substantial. Unscheduled down time to change out a failed bearing cost $250,000.

Bearing Type

Spherical roller bearings, 23124 & 22224

Conditions

Water, scale and heat contamination. Bearing life 3 months. Temperature less than 120°F. Speed 120 RPM.

Results

With MicroPoly, bearing life was more than doubled.

Bearing Type

Rexnord ZA 2203, 2-3/16" pillow block

Conditions

Water spray.

Results

MicroPoly filled bearings increased life twofold.

Bearing Type

6204 single row ball bearing, shielded on one side

Conditions

Eccentric forces pushed grease out of bearing. Bearing life 2 hours to 7 days with conventional lubrication. Speed 1200 RPM and 2500 RPM eccentric speed.

Results

Bearing life 60-70 days with MicroPoly.

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