NA4909 IKO Machined Needle Roller Bearing - 45X68X22MMThe NA4909 is a Standard Duty Open Type, Single Row Machined Needle Roller Bearing with an Inner Ring. The Inner Ring is separable from the Cage and Outer Ring, while the Outer Ring is fixed to the Cage and has an oil groove and an oil hole. Bearings with an Inner Ring are used when the shaft being used isn't heat treated and finished by grinding. In caged Needle Roller Bearings like this one, the Needles are precisely guided by the Cage to achieve

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Cone Reference Assembly Number 683 90039 Imperial Series Cone Reference Standard Part Assembly Number

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High Load-Bearing Capacity

N 3 14 M C3 Metric

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MHDG35 C2 R1520 T1 H S2 Maintenance Free Long Block Type Top Mounting Linear Way Unit Two Carriages 1520mm - Rail Length Light Preload High Accuracy Class S2 Specification

73 34 B MP UO Medium Series 135mm - Bore Size Angular Contact with 40° Contact Angle Brass Solid Window Cage Universal design for fitting in pairs