d - 20 mm

Fw - 25 mm

D - 37 mm

B - 17 mm

C - 17 mm

r min. - 0,3 mm

da min. - 22 mm

da max - 24 mm

Da max. - 35 mm

S - 0,5 mm

Weight - 0,0785 Kg

Basic dynamic load rating (C) - 21 kN

Basic static load rating (C0) - 25 kN

Limiting speed - 16 000 r/min

• Model Number: NA 4904
• Inner Diameter：20mm Outer Diameter：37mm Width：17mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:Pest Monitoring,E Beauty,sheet industry,engineering machinery,roller lathe,disposable,surgical instruments,preservation equipment,embroidery cloth,container finishing,hydraulic actuator
• Similar models:IKO NA4904 KOYO NA4904RS INA RNA4904-XL KOYO RNA4904 JNS NA4904 NSK NA4904TT INA RNA4904 CX RNA4904-2RS INA NA4904-2RSR NBS RNA49042RS
• BEARING POWER International Trading Co.,Ltd. specialize in NA4904 products，there is large inventory of IKO NA 4904 . We has been built up long-term cooperation with IKO company, could make a bulk order of the NA 4904 Which IKO NA4904 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
  1319-K-M-C3	95	200	45	FAG	Self-Aligning Ball Bearings
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  726002900	56	80	29,5	INA	Cylindrical Roller Bearings
  AST50 72IB32	114,3			AST	Plain Bearings
  HK1516	15	21	16	SKF	Needle Roller Bearings
  KBH 10-PP	10	19		NBS	Linear Bearings
  LM501349/10	41,275	73,431	19,558	ISO	Tapered Roller Bearings
  NK32/30R	32	42	30	NTN	Needle Roller Bearings
  NNU4996	480	650	170	ISO	Cylindrical Roller Bearings
  NUP326E	130	280	58	NTN	Cylindrical Roller Bearings
  RNA6918	105	125	63	SKF	Needle Roller Bearings
  RNF2223	110,000	260,325	92,000	NTN	Cylindrical Roller Bearings
  SBNPTH201-100	12		83,5	FYH	Bearing Units
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  W-5/8				FAG	THRUST BALL BEARINGS
  K-55x63x32../2	55	63	32../2	CONSOLIDATED	NEEDLE BEARINGS
  FY-106X	1.3750			CONSOLIDATED	PILLOW BLOCKS