NA4904
RNA4904
52
20
25
37
17
0.3
17.04
20.4
12800
NA4904 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: RNA4904
Bore (d): 20 mm
Outer Ring Bore (Fw): 25 mm
Outer (D): 37 mm
Width (C): 17 mm
Chamfer r min: 0.3 mm
Dynamic Load: 17.04 kN
Static Load: 20.4 kN
Limiting Speed: 12,800 rpm
Weight: 52 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.
