Oil knowledge for spindles, bearings and clutches

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Oil knowledge for spindles, bearings and clutches

Source: China Bearing Network Time: 2013-02-21
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The specific classification of Group F (spindle, bearing and clutch) is determined by GB 7631.4 89; it is divided into 2 categories.
FC is refined mineral oil and participates in additives to improve its corrosion resistance and oxidation resistance. Suitable for sliding or rolling bearings and related clutch pressure, oil bath and oil mist (suspended particles) smooth.
FD is improved on the basis of FC. It is suitable for sliding or rolling bearing pressure, oil bath and oil mist (suspended particles) smooth.
In order to avoid corrosion or slippage of the clutch, the FC oil should be free of anti-wear or extreme pressure additives.
The product specification SH 0017 90 "Bearing Oil" formulated in accordance with the classification of GB 7631.4 89 was implemented on April 1, 1992; instead of SYl229 82 (88) "spindle oil". New specification l FC points 2 100, etc. 11 Viscosity number; L FD is divided into 2 22 and other 7 viscosity numbers.
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Spec.:

Model NO.
Moisture(%)
Strength(%)
Idine value(mg/g)
methylene blue value(mg/g)
Ash(%)
Packing density(g/L)
pH-value
Grain diameter(mm)
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≥90
≥950
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≤10
530±20
8-10
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≤3
≥90
≥950
≥150
≤10
500±20
8-10
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≤3
≥90
≥950
≥150
≤10
490±20
8-10
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DX-4060
≤5
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≥950
≥150
≤15
-
8-10
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DX-4070
≤5
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≥950
≥150
≤15
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8-10
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