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MATERIALS
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SF miniature bearings are adopted refined carbon chromium steel (GCr15) or stainless steel. While their cages are made by press brass sheet and stainless steel band. |
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ACCURACY CLASS |
SF miniature bearings are usually divided into four class: super precision class, C, precision class D, high class E, normal class G. |
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INTERNAL CLEARANCE
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The radial int6rnal clearance Of SF mini8ture bearing is divided into three range: code 2 (means tight), code 0 (means normal),code 3 (means loose).Bearings with special requirement Of axial clearance are available also on the request of customer. |
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SEAL & SHIELDS |
SF miniature bearings can be available with shields or seals, for dust prevention and lubricant leakage. Either single side or double sides can be selected. |
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LUBRICATION |
SF miniature bearings (open type) are supplied filled with rust preventive oil, while the bearings (seal type) are also filled with grease for lubrication. If other special lubricant are required, please declare on ordering. |
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BASIC LOAD RATING |
The basic load rating of SF miniature bearings (dynamic & static) are made and designed in accordance with ISO standard. |
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PACKING |
SF miniature bearings are packed with plastic tube or bag in a paper carton. Other packing with special requirements can be provided on request. |
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OTHERS |
This catalog is available for reference on customer selection. If some types with special structure are required, please declare on ordering. |
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