d - 45 mm

Fw - 52 mm

D - 68 mm

B - 22 mm

C - 22 mm

r min. - 0,6 mm

da min. - 49 mm

Da max. - 64 mm

ra max. - 0,6 mm

Weight - 0,28 Kg

Basic dynamic load rating (C) - 41 kN

Basic static load rating (C0) - 67,5 kN

(Grease) Lubrication Speed - 5000 r/min

(Oil) Lubrication Speed - 8000 r/min

• Model Number: NA4909
• Inner Diameter：45mm Outer Diameter：68mm Width：22mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:test strip,Gas turbine,meat products machine,textile machinery,Laser Devices,switch,Broadcasting System,oral medical device,hanging clamp,ignition system,food packaging
• Similar models:IKO NA4909 INA NA4909-RSR ISO RNA4909-2RS NTN NA4909R INA RNA4909-RSR CX RNA4909-2RS NBS RNA49092RS IKO RNA4909 KOYO NA4909 IKO RNA4909UU
• BEARING POWER International Trading Co.,Ltd. specialize in NA4909 products，there is large inventory of NSK NA4909 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA4909 Which NSK NA4909 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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