d - 190 mm

D - 240 mm

B - 50 mm

F - 210 mm

r_min - 1,5 mm

s - 1,5 mm / Axial displacement

m - 5610 g / Weight

C_r - 255000 N / Dynamic load rating (radial)

C_0r - 690000 N / Static load rating (radial)

C_ur - 100000 N / Fatigue limit load, radial

n_G - 2250 1/min / Limiting speed

n_B - 1350 1/min / Reference speed

dimension series 48, to DIN 617/ISO 1206

• Model Number:NA4838
• Inner Diameter：190mm Outer Diameter：240mm Width：50mm
• Type：Needle Roller Bearings
• Update date：2025-12-18
• Application:Doppler,Oral Equipment,Pneumatic Control Elements,rehabilitation training equipment,organic raw materials,luminescent reagent,shaft milling machine,ventilation equipment,Pneumatic Control Valves,inorganic chemical,Industrial
• Similar models:NSK NA4838 INA RNA4838 INA NA4838 NTN RNA4838 AST RNA4838 SKF RNA4838 SKF NA4838 NTN NA4838 CX NA4838 NBS RNA4838
• BEARING POWER International Trading Co.,Ltd. specialize in NA4838 products，there is large inventory of INA NA4838 . We has been built up long-term cooperation with INA company, could make a bulk order of the NA4838 Which INA NA4838 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
  1622-2Z	14,287	34,925	11,112	ZEN	Deep Groove Ball Bearings
  18790/18724	50.800	88.900	17.462	NACHI	Tapered Roller Bearings
  22309CW33	45	100	36	CRAFT	Spherical Roller Bearings
  2786/2735X	34,925	73,025	23,812	Timken	Tapered Roller Bearings
  32019*2	95	145	32	CYSD	Tapered Roller Bearings
  54313U	65	115	79	NSK	Thrust Ball Bearings
  54317	85	150	95,2	NSK	Thrust Ball Bearings
  6212-2RS	60	110	22	ZEN	Deep Groove Ball Bearings
  6920NR	100	140	20	NTN	Deep Groove Ball Bearings
  71818 CTBP4	90	115	13	CX	Angular Contact Ball Bearings
  H936349/H936310	168,275	330,2	85,725	KOYO	Tapered Roller Bearings
  K15X19X17SE	15	19		KOYO	Needle Roller Bearings
  LME20OP	20	32	31,5	Samick	Linear Bearings
  MF-1716	17	23	16	NSK	Needle Roller Bearings
  N1012RXTPKR	60	86,1	18	NSK	Cylindrical Roller Bearings
  RNA4907-XL	42	55	20	INA	Needle Roller Bearings
  RNA5903	22	30	18	CX	Needle Roller Bearings
  GS81164	324	400		FAG	THRUST ROLLER BEARINGS
  NNA69/32	32	52	36	SKF (Old No.)	NEEDLE BEARINGS
  120BA10	120	180	28	Torrington	ANGULAR CONTACT BALL BEARINGS