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. - 35 mm

ra max. - 0,3 mm

Weight - 0,077 Kg

Basic dynamic load rating (C) - 19,7 kN

Basic static load rating (C0) - 22,9 kN

(Grease) Lubrication Speed - 11000 r/min

(Oil) Lubrication Speed - 18000 r/min

• Model Number: NA4904
• Inner Diameter：20mm Outer Diameter：37mm Width：17mm
• Type：Needle Roller Bearings
• Update date：2025-12-13
• Application:plastic rolling,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Gear grinding machine,agriculture,relay,forklift industry,machine tool spindle,Warehouse Shelf Equipment,beverage production,surgical instruments,safety testing
• Similar models:NBS RNA49042RS IKO NA4904U KOYO NA4904 CX RNA4904-2RS KOYO RNA4904RS IKO NA4904UU KOYO RNA4904 JNS NA4904M NTN RNA4904RLL NBS RNA4904RS
• BEARING POWER International Trading Co.,Ltd. specialize in NA4904 products，there is large inventory of NSK NA4904 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA4904 Which NSK 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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  180703KC17	17	40	16	UBP	Deep Groove Ball Bearings
  22322 EJA/VA405	240	110	80	SKF	Spherical Roller Bearings
  2915	75	100	20	FBJ	Thrust Ball Bearings
  29426	130	270	85	Timken	Thrust Roller Bearings
  2N2-SC03B02LLVAXCM/L696	17	62	21	NTN	Deep Groove Ball Bearings
  6207-2RD	35	72	17	KOYO	Deep Groove Ball Bearings
  A 5311 WB	55	120	49,2125	SIGMA	Cylindrical Roller Bearings
  BT2B 332754	596,9	368,3	203,2	SKF	Tapered Roller Bearings
  E 217 /S/NS 7CE1	17	40	12	SNFA	Angular Contact Ball Bearings
  ER18	28,575	62	38,1	Timken	Deep Groove Ball Bearings
  K71X78X27.8	71,000	78,000		NTN	Needle Roller Bearings
  M268730/M268710CD+M268730XA	381	590,55	244,475	Timken	Tapered Roller Bearings
  NK12/12	12	19	12	AST	Needle Roller Bearings
  RCJY45	45			NKE	Bearing Units
  TAM 3515	35	45	15	IKO	Needle Roller Bearings
  7307WNSU	35	80	21	FAF	ANGULAR CONTACT BALL BEARINGS
  W6209-2RS1	45	85	19	SKF	DEEP GROOVE BALL BEARINGS
  3AE	20	42	9	RIV	DEEP GROOVE BALL BEARINGS
  RA-109-110	1.6250	3.3465	.7480	CONSOLIDATED	BALL BEARINGS
  6210TP/5	50	90	20	CONSOLIDATED	DEEP GROOVE BALL BEARINGS