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Tolerance
Note that precision of inscribed circle diameters and outside diameters for the clearance adjustable type(...-AJ) and the open type(...-OP) indicates the value obtained before the
corresponding type is subjected to cutting
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Load Rating and Life Expectancy
The life(L) of a linear bushing can be obtained from the following equation with the basic
dynamic load rating and the load applied to the busha: |
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L:Rated life (km)
C:Basic dynamic load rating(N)
P:Working load(N)
fw: Load coefficient
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FH:Hardness factor (See page5)
ft:Temperature coefficient (See page5)
lc:Contact coefficient(See page5) |
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The lifespan (Ln) of a linear bushing in hours can be obtained by calculating
the travelling distance per unit time
The lifespan can be obtained from the following equation ifthe stroke length
and the number of strokes are constant: |
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Lh:Lifespen
L:Rated life(km)
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s:Stroke length(m)
n:Number of strokes per minute(cpm) |
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