d - 20 mm

D - 37 mm

B - 18 mm

C - 17 mm

F - 25 mm

r_min - 0,3 mm

m - 80 g / Weight

C_r - 19500 N / Dynamic load rating (radial)

C_0r - 19900 N / Static load rating (radial)

C_ur - 3750 N / Fatigue limit load, radial

n_{G Fett} - 7500 1/min / Limiting speed for grease lubrication

dimension series 49, lip seal on one side

• Model Number: NA4904-RSR
• Inner Diameter：20mm Outer Diameter：37mm Width：18mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:Spectrum Products,agriculture,non-ferrous metal alloy,Dental Drill etc,lifting upgrade,electric hydraulic lifting platform,pump accessories,bathroom facilities,multi-knife lathe,sewage pump,industry test
• Similar models:NBS NA49042RS SKF RNA4904RS NBS NA4904RS Timken RNA4904RS CRAFT NA4904 Timken NA4904 KOYO NA4904RS INA NA4904-XL ISO NA4904-2RS IKO RNA4904UU
• BEARING POWER International Trading Co.,Ltd. specialize in NA4904-RSR products，there is large inventory of INA NA4904-RSR . We has been built up long-term cooperation with INA company, could make a bulk order of the NA4904-RSR Which INA NA4904-RSR 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
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  5S-7205UCG/GNP42	25	52	15	NTN	Angular Contact Ball Bearings
  619/500X3F1	500	660	75	ISB	Deep Groove Ball Bearings
  6316	80	170	39	KOYO	Deep Groove Ball Bearings
  K12x16x13	12	16,0		MPZ	Needle Roller Bearings
  HK2016D	20,000	26,000	16,000	NTN	Needle Roller Bearings
  KLM30S	30	45	64	NTN	Linear Bearings
  NJ 2212	60	110	28	NACHI	Cylindrical Roller Bearings
  NP849042/NP403673	240	320	42	Timken	Tapered Roller Bearings
  NU 205 EW	25	52	15	NSK	Cylindrical Roller Bearings
  NU206	30	62	16	FBJ	Cylindrical Roller Bearings
  RNAO 20x32x12	20	26	12	NBS	Needle Roller Bearings
  TA 3730 Z	37	47	30	IKO	Needle Roller Bearings
  XLS56K	88,9	127	19,05	Timken	Deep Groove Ball Bearings
  SN214with20214	70	-	80	FAG	PILLOW BLOCKS
  NA4822	110	140	30	INA	NEEDLE BEARINGS
  180SD31	180	300	96	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  309RDU#7BKE	45	100	25	MRC	ANGULAR CONTACT BALL BEARINGS
  NU313	65	140	33	STEYR	CYLINDRICAL ROLLER BEARINGS
  N411	55	140	33	STEYR	CYLINDRICAL ROLLER BEARINGS