NA4909
RNA4909
182
45
52
68
22
0.6
36.8
58.4
6000
NA4909 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: RNA4909
Bore (d): 45 mm
Outer Ring Bore (Fw): 52 mm
Outer (D): 68 mm
Width (C): 22 mm
Chamfer r min: 0.6 mm
Dynamic Load: 36.8 kN
Static Load: 58.4 kN
Limiting Speed: 6,000 rpm
Weight: 182 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.