INA Rna/Na 4844 Needle Roller Bearing

Manufacturer: Schaeffler INA

Type: Needle Roller Bearing

Model: NA4844

Replaces: NA4844-XL



Dimensions

Bore diameter d: 220 mm

Outer diameter D: 270 mm

Width B: 50 mm

Minimum chamfer dimension rmin: 1.5 mm

Basic load ratings:

Dynamic C_r: 275000 N

Static C_0r: 790000 N

Fatigue load limit C_ur: 112000 N

Reference speed: 1110 rpm

Limiting speed: 1980 rpm

Operating temperature:  -30 … +120 °C