NA4909 bearing is Precision Machined Needle Roller Bearing with Inner Ring in complete Set.
Sizes: ID 45mm x OD 68mm x L 22mm
Match#: NA4909Z, NA4909J, NA-4909
|Boundary Dimensions in mm||Basic Dynamic Load||Basic Static Load||
NA4909 Needle roller bearings with machined rings made of bearing steel have a low sectional height and a high load carrying capacity. The NA4909 bearings can be used with or without an inner ring. Needle roller bearings RNA4909 without an inner ring will require the shaft to be hardened, ground and polished.
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