d - 20 mm

D - 37 mm

B - 17 mm

F - 25 mm

r_min - 0,3 mm

s - 0,8 mm / Axial displacement

m - 75,2 g / Weight

C_r - 23700 N / Dynamic load rating (radial)

C_0r - 25500 N / Static load rating (radial)

C_ur - 4600 N / Fatigue limit load, radial

n_G - 16900 1/min / Limiting speed

n_B - 9600 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

• Model Number: NA4904
• Inner Diameter：20mm Outer Diameter：37mm Width：17mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:plastic molding,wheel lathe,expectoration machine,hydraulic pump,instrument,diagnostic test paper,drawing die,rolling mill roll neck and slowdown device,Insect Count,respirator,ventilation heating equipment
• Similar models:KOYO NA4904 NTN NA4904L INA RNA4904-XL SKF RNA4904 NBS RNA4904RS JNS RNA4904 INA NA4904-XL INA RNA4904-2RSR KOYO RNA4904.2RS JNS NA4904UU
• BEARING POWER International Trading Co.,Ltd. specialize in NA4904 products，there is large inventory of INA NA4904 . We has been built up long-term cooperation with INA company, could make a bulk order of the NA4904 Which INA 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.

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  7100/7196		50,005		KOYO	Tapered Roller Bearings
  7311DT	55	120	29	NACHI	Angular Contact Ball Bearings
  E30304J	20	52	16.25	NACHI	Tapered Roller Bearings
  EGB7050-E40-B	70	75	50	INA	Plain Bearings
  MJT3/8	9,525	38,1	14,2875	RHP	Angular Contact Ball Bearings
  NNU4988 V	440	600	160	CX	Cylindrical Roller Bearings
  NU1028	140	210	33	NTN	Cylindrical Roller Bearings
  P 85 R-1.1/2 TF	38,1			SKF	Bearing Units
  SA1-80B	80	120	55	NTN	Plain Bearings
  SIL 20	20			CX	Plain Bearings
  UCP206-18	28,575		38,1	KOYO	Bearing Units
  UKPX10+H2310	45		63,5	NACHI	Bearing Units
  UKT208	35			ISO	Bearing Units
  NCF3064V	320	480	121	FAG	CYLINDRICAL ROLLER BEARINGS
  XW-53/4				NH	THRUST BALL BEARINGS
  SA40TXE	40		28	SKF	ROD ENDS
  BL304ZNR	20	52	15	NTN	DEEP GROOVE BALL BEARINGS
  12x30x7mm	12	30	7	CONSOLIDATED	OIL SEALS