NA4911
RNA4911
255
55
63
80
25
1
46.8
79.6
5200
NA4911 is a Machined Ring Needle Roller Bearing (NA/RNA Series).
The NA Series includes an inner ring, while the RNA Series uses the shaft as the raceway surface for a more compact design.
Without Inner Ring Type: RNA4911
Bore (d): 55 mm
Outer Ring Bore (Fw): 63 mm
Outer (D): 80 mm
Width (C): 25 mm
Chamfer r min: 1 mm
Dynamic Load: 46.8 kN
Static Load: 79.6 kN
Limiting Speed: 5,200 rpm
Weight: 255 g
Some non-standard or currently out-of-stock bearings may not be immediately available. If you have specific requirements, feel free to contact us — we will do our best to confirm lead times and provide alternative solutions.