MPS DBL-series Linear Bearing
Standard product line-microlinea
Miniature high precision linear bearings.
DBL-series with plastic body (POM) with stainless steel balls and needles.
Materials:
Housing: polyamide
Balls and needles: stainless steel
Temperature: -40℃ to +60℃
Lubrication: standard: Winsor Lube L245X (other oils on request)
Calculation of the theoretical life expectancy for linear bearings
In Europe we consider a nominal life of 100000 meters travel distance; that is the reason of the 10^5 factor in the following formula (in Japan: 50000 meters). The load rating is calculated according to DIN 636.
General formulas:
The theoretical life has no practical value unless the following conditions are scrupulously observed:
Magnitude and direction of constant load carefully determined
Constant speed
Constant temperature not exceeding 60℃
Rigorous cleanliness in mounting and during running
Careful choice and dosage of lubricant
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