d - 17 mm

Fw - 22 mm

D - 30 mm

B - 14 mm

C - 13 mm

r min. - 0,3 mm

da min. - 19 mm

da max - 21 mm

Da max. - 28 mm

Weight - 0,0785 Kg

Basic dynamic load rating (C) - 10,3 kN

Basic static load rating (C0) - 20,5 kN

Limiting speed - 8 500 r/min

• Model Number: NA 4904U
• Inner Diameter：17mm Outer Diameter：30mm Width：14mm
• Type：Needle Roller Bearings
• Update date：2025-04-22
• Application:Solenoid Valves,relay,Cylinder Pneumatic Treatment Element,equipment and,Hair styling device,industrial equipment,machining,Storage Tool,industrial skin care,historical instruments,Other machinery
• Similar models:INA RNA4904-XL CRAFT NA4904-2RS CX RNA4904-2RS NBS RNA49042RS KOYO NA4904 SKF RNA4904.2RS ISO NA4904-2RS JNS RNA4904UU Timken RNA4904RS NSK NA4904
• BEARING POWER International Trading Co.,Ltd. specialize in NA4904U products，there is large inventory of IKO NA 4904U . We has been built up long-term cooperation with IKO company, could make a bulk order of the NA 4904U Which IKO NA4904U 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
  230/750CAKE4	750	1090	250	NSK	Spherical Roller Bearings
  32028*2	140	210	45	CYSD	Tapered Roller Bearings
  578R/572	79,985		36,098	KOYO	Tapered Roller Bearings
  71921 C-UX	105	145	40	CX	Angular Contact Ball Bearings
  7208BDT	40	80	18	NTN	Angular Contact Ball Bearings
  BTW 45 CTN9/SP	45	75	38	SKF	Thrust Ball Bearings
  CX631				CX	Wheel Bearings
  HR30304J	20	52	16,25	NSK	Tapered Roller Bearings
  NA1020	20	42	18	KOYO	Needle Roller Bearings
  NKI 32/30	32	47	30	FBJ	Needle Roller Bearings
  NKI28/20	28	42	20	CX	Needle Roller Bearings
  NN3048	240	360	92	ISO	Cylindrical Roller Bearings
  NNCL4968 V	340	460	118	ISO	Cylindrical Roller Bearings
  RS283824	28	38	24	KOYO	Needle Roller Bearings
  VEX 75 /NS 7CE3	75	115	20	SNFA	Angular Contact Ball Bearings
  W60/1,5ZA	1,5	6	3	NTN	Deep Groove Ball Bearings
  HYDNUT320			63	FAG	HYDRAULIC NUTS
  U1222L	110	200	38	Rollway	CYLINDRICAL ROLLER BEARINGS
  1888S	440	540	46	MRC	DEEP GROOVE BALL BEARINGS
  4427	2.1250	3.3125		CONSOLIDATED	THRUST BALL BEARINGS