NA4910
RNA4910
163
50
58
72
22
0.6
38.4
64
5600
NA4910 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: RNA4910
Bore (d): 50 mm
Outer Ring Bore (Fw): 58 mm
Outer (D): 72 mm
Width (C): 22 mm
Chamfer r min: 0.6 mm
Dynamic Load: 38.4 kN
Static Load: 64 kN
Limiting Speed: 5,600 rpm
Weight: 163 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.