RNA4909-2RSR-XL INA Machined Needle Roller Bearing - 52X68X22MM R570 Hoffmann Bearing This QJ330N2MA bearing is a

This QJ330N2MA bearing is a a four point contact bearings with two locating slots in the outer ring

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RNA4909-2RSR-XL INA Machined Needle Roller Bearing - 52X68X22MM R570 Hoffmann Bearing This QJ330N2MA bearing is aThe RNA4909 2RSR XL is a Standard Duty, Single Row Machined Needle Roller Bearing with a lubrication groove and oil hole in the Outer Ring, and 2 Rubber Seals. This Bearing has no Inner Ring, meaning the Needle Rollers are mounted directly onto the shaft. As such, the Bearing has better running accuracy as it isn't affected by assembling an Inner Ring with the shaft. In caged Needle Roller Bearings like this one, the Needles are precisely guided by