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Houston Branch Relocated September 2018

Norplex BR60 Bearing Laminate

OVERVIEW
BR60 consists of multiple plies of heavy-weight canvas cloth saturated with phenolic resin system, modified with molybdenum disulfide, which provides internal lubrication to reduce frictional heat generation and wear of metal shafts on the bearing. The pre-preg (b-stage) plies are then laminated under heat and pressure to produce a thermoset composite material. BR60 laminates offer load-bearing capacities equivalent to those of brass and bronze, but will not seize to metal shafts, speeding up bearing replacement and reducing equipment downtime. Compared to thermoplastics, BR60 provides superior load-bearing properties and has a Coefficient of Thermal Expansion that more closely matches the CTE of metal shafts. BR60 is used to make water-cooled propeller stave bearings on ships. In addition, steel and aluminum rolling mills prefer BR60 bearings because they last longer than metal and thermoplastic bearings in many applications and can be replaced quickly during overhauls.
FEATURES AND BENEFITS
DESCRIPTION: BR60 is a natural colored composite made from a 24 oz/sq. yd canvas which is passed through the treater twice to insure impregnation of the fibers and to obtain the resin content desired for optimal performance. The resin system is a molybdenum disulfide filled phenolic with good impregnation qualities and cured hardness. BR60 is specifically designed for highly loaded bearing applications, where the lubrication is provided by the molybdenum disulfide. It may have a slightly greenish tint in the finished laminate.
(Norplex BR60 Bearing Laminate) Norplex BR60 Bearing Laminate


Links:
  • Micarta BR60 Press Release

    BR60 is used to make water-cooled propeller stave bearings on ships.
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