d - 190 mm

F - 210 mm

D - 240 mm

B - 50 mm

C - 50 mm

r min. - 1,5 mm

s - 1,5 mm

da min. - 198 mm

Da max. - 232 mm

ra max. - 1,5 mm

Weight - 5,62 Kg

Basic dynamic load rating (C) - 227 kN

Basic static load rating (C0) - 680 kN

(Grease) Lubrication Speed - 1 300 r/min

(Oil) Lubrication Speed - 1 900 r/min

• Model Number:NA4838
• Inner Diameter：190mm Outer Diameter：240mm Width：50mm
• Type：Needle Roller Bearings
• Update date：2026-01-01
• Application:Dental Drill etc,Gear grinding machine,decoration machinery,Antenna Potentials,drawing die,metal mold,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Medium and large motor,Material handling equipment,chamfering machine etc,standing experimental equipment
• Similar models:AST RNA4838 INA RNA4838 INA RNA4838-XL NBS NA4838 INA NA4838 NTN RNA4838 ISO NA4838 NTN NA4838 ISO RNA4838 IKO RNA4838
• BEARING POWER International Trading Co.,Ltd. specialize in NA4838 products，there is large inventory of NTN NA4838 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NA4838 Which NTN 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
  72212C/72487	53,975		32,791	KOYO	Tapered Roller Bearings
  B71914-C-2RSD-T-P4S	70	100	16	FAG	Angular Contact Ball Bearings
  BH-78	11,113	17,463	12,7	Timken	Needle Roller Bearings
  F627ZZ	7	22	7	FBJ	Deep Groove Ball Bearings
  GYA112RR	44,45	85	42	Timken	Deep Groove Ball Bearings
  HCB7032-E-T-P4S	160	240	38	FAG	Angular Contact Ball Bearings
  HK1616	16	22	16	ZEN	Needle Roller Bearings
  K90x97x20	90	97	20	CX	Needle Roller Bearings
  NP 1032	160	220		NACHI	Cylindrical Roller Bearings
  SR155	3,967	7,938	2,779	ZEN	Deep Groove Ball Bearings
  UCEP214	70		74.6	NACHI	Bearing Units
  UCT214	70			SNR	Bearing Units
  XLRJ3.3/4	95,25	133,35	19,05	RHP	Cylindrical Roller Bearings
  BR-243320			1.2500	IKO	NEEDLE BEARINGS
  NBA12019	4.7500	6.2500	.7500	NSK	ANGULAR CONTACT BALL BEARINGS
  NA2050	50	80	28	NADELLA	NEEDLE BEARINGS
  NK15/16	23		16	SKF	NEEDLE BEARINGS
  45RIF198	4.5000	9.3750	2.0000	Torrington	CYLINDRICAL ROLLER BEARINGS
  WC8026	26	52	.6250	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  HC7014TGP/4	70	110	20	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS