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SUNBEARING Deep Groove Ball Bearing 6217 Silver 85*150*28mm Chrome Steel GCR15Product SpecificationBore diameter:& 16085 mmBasic dynamic load rating89,000& 160NOutside diameter:150 mmBasic static load rating64,000& 160NOverall width:& 16028 mmFatigue load limit4,050& 160NRows of BallsSingleReference speed5,300& 1601/minOuter ring type:UnsplitLimiting speed6,700& 1601/minRadial clearance classC3 Internal Clearance(Higher than Cn)Mass1.798 kgClosure type:ZZMinimum chamfer dimension(rmin)2& 160mmMaterialChrome SteelMinimum diameter shaft shoulder96& 160mmCage MaterialSheet SteelMaximum diameter of housing shoulder139& 160mmCalculation factor14.8Maximum fillet radius2& 160mm6217 Bearing Short Description6217 bearing, deep groove ball bearings are one of the most common styles of ball bearings which support axial forces in both directions as well as radial forces. The bearing has a single row of balls retained in a cage. This style of bearing you are viewing is what we call open style (no seals or shields), allowing the lubricant to flow around the bearing freely. Open bearings tend to be used in applications like gearboxes.WHAT IS THE DIFFERENCE BETWEEN ALL THE CHOICES I HAVE FOR MY REFERENCE (EXAMPLE 6217-ZZ)?Some bearings exist with more or less important variants (large or small internal clearance, special grease, very high temperature, etc ...). These variants are always indicated by prefixes and suffixes in the reference.For example, the suffix "ZZ" means that the bearing is dustproof, thanks to metal covers on both sides of the bearing.The suffix "C3" will mean that the bearing has an increased internal clearance and that it will require a higher operating temperature or a higher rotational speed.
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