ZAO PO Trek is an official supplier of reinforced ball bearings to assembly lines for snowmobiles and ATVs. Ball pin is made of heat-treated high quality alloy steel; sphere and finger groove are additionally strengthened by rolling rollers; ball pin liner is made of polyformaldehyde with improved antifriction and strength properties, liners have special grooves for lubricant retention and removal of wear products;grease for joints SHRB-4 is put under the cover, additionally protecting the joint from moisture penetration); covers made of oil-gasoline-ozone-resistant thermoplastic polyurethane:durability 3 times higher than rubber and silicone analogues, anti-corrosion coating of the case;anti-corrosion coating of the ball pin.
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