NA4904 bearing is Precision Machined Needle Roller Bearing with Inner Ring in complete Set.
Sizes: ID 20mm x OD 37mm x L 17mm
Match#: NA4904Z, NA4904J, NA-4904
|Boundary Dimensions in mm||Basic Dynamic Load||Basic Static Load||
NA4904 Needle roller bearings with machined rings made of bearing steel have a low sectional height and a high load carrying capacity. The NA4904 bearings can be used with or without an inner ring. Needle roller bearings RNA4904 without an inner ring will require the shaft to be hardened, ground and polished.
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