medias® professional – Product catalogue
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Rolling and plain bearings, accessories
Transparent classification of our bearings for rotary motion.
Linear guidance systems
Transparent classification of our linear bearings.
Selection wizards
Bearing selection
The wizard will assist you in the selection of the correct bearing for your design.
Linear selection
The wizard will assist you in the selection of the correct linear guidance system for your design.
Housing selection
The wizard will assist you in the selection of the correct housing for your design
Application examples
Suggestions for your daily work.
Lubricant selection
Lubrication is a design element. You can find the right grease or oil here.
Principles
Here you can find fundamental knowledge on the calculation, lubrication and fitting of bearings.
Lexicon
Here you can find explanations of terms in bearing technology
Interchange list - designations
From this list, you can use the old designation to find the new uniform designation of INA and FAG.
medias® campus
Our online training courses gives you the necessary rolling bearing knowledge in the form of short learning units.
medias® interchange
This function determines appropriate INA and FAG bearings based on designations from other manufacturers.
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Is something unclear? Our help system can assist you.
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medias® Home Rolling and plain bearings, accessories RA..-NPP
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Radial insert ball bearings RA..-NPP

cylindrical outer ring, location by eccentric locking collar, P seals on both sides, inch size bore
Radial insert ball bearings RA..-NPP, cylindrical outer ring, location by eccentric locking collar, P seals on both sides, inch size bore
Radial loadAxial load in one directionAxial load in two directionsSealed on both sidesLifetime lubrication, freedom from maintenanceGrease lubrication		  
 
d
mm
d
inch
D
mm
B1
mm
 
RA010-NPP 15,8750 5/8 40 28,6
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RA012-NPP 19,0500 3/4 47 31
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RA014-NPP 22,2250 7/8 52 31
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RA100-NPP 25,4000 1 52 31
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RA101-NPP 26,9875 1 1/16 62 35,8
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RA102-NPP 28,5750 1 1/8 62 35,8
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RA103-NPP 30,1625 1 3/16 62 35,8
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RA104-206-NPP 31,7500 1 1/4 62 35,8
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RA104-NPP 31,7500 1 1/4 72 39
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RA107-NPP 36,5125 1 7/16 72 39
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RA108-NPP 38,1000 1 1/2 80 43,8
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d
mm
d
inch
D
mm
B1
mm