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：2025-12-15
• Application:air purification,reducer,Safety protection,key lock,small diesel generators,lathe,sleep monitoring,power protection,stamping die,Roller mill,car steering pin
• Similar models:NTN RNA4909L JNS RNA4909 NTN RNA4909LL INA RNA4909-RSR NBS NA4909RS IKO NA4909 SKF NA4909.2RS NSK NA4909 IKO RNA4909 NTN RNA4909R
• 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
  12168/12303	42,862	76,992	17,462	ISO	Tapered Roller Bearings
  1318	90	190	43	CRAFT	Self-Aligning Ball Bearings
  230/850 KW33	850	1220	272	ISO	Spherical Roller Bearings
  376DE/372	47,625	100	58,735	Timken	Tapered Roller Bearings
  6010N	50	80	16	NTN	Deep Groove Ball Bearings
  6202ZNR	15,000	35,000	11,000	NTN	Deep Groove Ball Bearings
  62203-2RS1	40	17	16	SKF	Deep Groove Ball Bearings
  64450/64700B	114,3	177,8	41,275	Timken	Tapered Roller Bearings
  6801	12	21	5	FBJ	Deep Groove Ball Bearings
  71956C	280	380	46	AST	Angular Contact Ball Bearings
  EE275109D/275155+Y1S-275155	276,225	393,7	130,175	Timken	Tapered Roller Bearings
  FT31	60,325	97,638	20,638	INA	Thrust Ball Bearings
  K 25x30x20	25	30		NBS	Needle Roller Bearings
  K50X66X30H	50	66		Timken	Needle Roller Bearings
  NMJ 4.1/4	107,95	222,25	44,45	SIGMA	Self-Aligning Ball Bearings
  NU2217-E-TVP2	85	150	36	FAG	Cylindrical Roller Bearings
  UCF322	110			NACHI	Bearing Units
  52318				FAG	THRUST BALL BEARINGS
  SUCSP201-8	.5000			IPTCI	STAINLESS STEEL PILLOW BLOCKS
  624ZZ	4	13	5	NTN	DEEP GROOVE BALL BEARINGS