NA4909-RSR-XL INA Machined Needle Roller Bearing - 45X68X22MMThe NA4909 RSR XL is a Standard Duty, Single Row Machined Needle Roller Bearing with an Inner Ring and 1 Rubber Seal. The Inner Ring is separable from the Cage and Outer Ring, while the Outer Ring is fixed to the Cage and has a lubrication 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

This MHDG45C4R1470T1HS2 is a maintenance free high rigidity ball type series linear way with a rail length of 1470mm

63 18 ZZ C3 Medium Series 90mm - Bore Size Metal Shields on Both Sides of the Bearing Radial Internal Clearance Greater than Normal

60 16 2z nr gjn Metric

70 05 CE P4A DB A Extra Light Series 25mm - Bore Size 15° Contact Angle

This 46780/46720 bearing is an imperial taper roller bearing

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70 13 ACE GB HC P4A Extra Light Series 65mm - Bore Size 25° Contact Angle