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：2025-04-23
• Application:Laser Cutting,transistor fittings,spring industry,machine lathe,machine tool spindle,vacuum filter,Plastic molding,metallurgical mold,Broadcasting System,Broadcasting System,coupling type
• Similar models:CRAFT NA4909-2RS NBS RNA4909 NSK NA4909TT NBS NA4909 JNS RNA4909 INA RNA4909-XL ISO NA4909 SKF NA4909.2RS JNS NA4909 NTN NA4909S
• 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  16003	17,000	35,000	8,000	NTN-SNR	Deep Groove Ball Bearings
  22210EX	50	90	23	NACHI	Cylindrical Roller Bearings
  30336D	180	380	83	NSK	Tapered Roller Bearings
  32921	105	145	25	CYSD	Tapered Roller Bearings
  440RT30	440	613		Timken	Cylindrical Roller Bearings
  51203	17	35	12	SKF	Thrust Ball Bearings
  E-CRO-3617	180	300	280	NTN	Tapered Roller Bearings
  K28X32X26.8	28,000	32,000		NTN	Needle Roller Bearings
  HI-CAP 57484	27	59,98	16,76	KOYO	Tapered Roller Bearings
  HN3520	35	42	20	INA	Needle Roller Bearings
  KT 556320	55	63		IKO	Needle Roller Bearings
  LM223016	17	30	16,2	NSK	Needle Roller Bearings
  RB207	35	72	42,9	FYH	Deep Groove Ball Bearings
  RNA 4918	105	125	35	JNS	Needle Roller Bearings
  SL11 936	180	250	101	INA	Cylindrical Roller Bearings
  NJ232E	160	290	48	FAG	CYLINDRICAL ROLLER BEARINGS
  BL-50	50	110	40	RIV	DEEP GROOVE BALL BEARINGS
  R-14FF	.8750	1.8750	.5000	MRC	DEEP GROOVE BALL BEARINGS
  6022NR	110	170	28	STEYR	DEEP GROOVE BALL BEARINGS
  81138			15	CONSOLIDATED	THRUST ROLLER BEARINGS