d - 20 mm

Fw - 25 mm

D - 37 mm

B - 17 mm

C - 17 mm

r5 min. - 0,3 mm

S - 1,5 mm

Weight - 0,084 Kg

Basic dynamic load rating (C) - 21,3 kN

Basic static load rating (C0) - 25,5 kN

(Grease) Lubrication Speed - 18000 r/min

(Oil) Lubrication Speed - 12000 r/min

• Model Number: NA4904
• Inner Diameter：20mm Outer Diameter：37mm Width：17mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:screen filter,marine analysis and testing equipment,thin metal materials,lifting upgrade,Generator,fabric products,small appliances,pressure control valve,spreader series,medical equipment,van
• Similar models:IKO NA4904 Timken RNA4904 Timken RNA4904.2RS ISO RNA4904-2RS JNS RNA4904M NBS RNA49042RS NTN RNA4904RLL ISO NA4904-2RS KOYO RNA4904 SKF RNA4904RS
• BEARING POWER International Trading Co.,Ltd. specialize in NA4904 products，there is large inventory of KOYO NA4904 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NA4904 Which KOYO 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
  22244 CC/W33	400	220	108	SKF	Spherical Roller Bearings
  51322M	110	190	63	CRAFT	Thrust Ball Bearings
  6012	60	95	18	FAG	Deep Groove Ball Bearings
  HUB161-11	34	76		NTN	Angular Contact Ball Bearings
  CSEC055	139,7	158,75	9,525	INA	Deep Groove Ball Bearings
  HS71908-C-T-P4S	40	62	12	FAG	Angular Contact Ball Bearings
  LF-940	4	9	2,5	NMB	Deep Groove Ball Bearings
  KEST4183YR1LFT	41,275	82,55	26,543	KOYO	Tapered Roller Bearings
  NJ2252	260	480	130	NTN	Cylindrical Roller Bearings
  NU 2228	140	250	68	NACHI	Cylindrical Roller Bearings
  RMEY55	55			NKE	Bearing Units
  RNA4916	90	110	30	AST	Needle Roller Bearings
  RNAO-75×95×30	75	83	30	NTN	Needle Roller Bearings
  RNAO25X37X16	25	37	16	KOYO	Needle Roller Bearings
  UCFC206-20	31,75			FYH	Bearing Units
  X32205/Y32205	25	52	19,25	Timken	Tapered Roller Bearings
  NJ1014	70	110	20	FAG	CYLINDRICAL ROLLER BEARINGS
  6203.2RSR	40	17	12	FAG	DEEP GROOVE BALL BEARINGS
  W603ZZA	3	9	5	NTN	DEEP GROOVE BALL BEARINGS
  1209E/TG	45	85	19	STEYR	SELF