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The NA6910 is a Standard Duty Open Type
63 10 Z C3 Medium Series 50mm - Bore Size Metal Shield on One Side of the Bearing Radial Internal Clearance Greater than Normal
NU 4 13 M C3 Metric
23 16 c3 Extra Wide Bore Size - 80mm Radial Internal Clearance Greater than Normal
RNA4956 IKO Machined Needle Roller Bearing - 310X380X100MM 95.66" Wrapped Wedge Belt The NA6910 is a StandardThe RNA4956 is a Standard Duty Open Type, Single Row Machined Needle Roller Bearing with an oil groove and oil hole in the Outer Ring. 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 the Cage to achieve ideal
US$ 124.50
US$ 1349.50