(dimensions in mm)

Bearing Type - NJ

Bore Dia (d) - 17.0000

Outer Dia (D) - 40.0000

Width (B) - 12.0000

Radius (min) (rs) - 0.600

Dynamic Load Rating (Cr) - 16,400

Static Load Rating (Cor) - 13,300

Max Speed (Grease) (X1000 RPM) - 17

Max Speed (Oil) (X1000 RPM) - 20

Max. Shaft Shoulder Dia. Inner (Li) - 22.1

Min. Housing Shoulder Dia., Outer (Lo) - 35.1

Weight (g) - 79.00

Precision - RBEC 1

Standard Clearance - C0

Material - 52100 Chrome steel, or equivalent

Unless otherwise specified, the internal radial clearance is "C0" or "C Normal".

This bearing is also available with the HJ end plate for the inner race.

Suffix definitions are listed in the Nomenclature Technical document.

This bearing is also available with a retaining ring groove in the outer race, and it can be supplied with the ring (suffix NR) or without the ring (suffix N). Please see the Technical Information Sheet for the groove and ring dimensions.

• Model Number:NJ203 EMA6
• Inner Diameter：17mm Outer Diameter：40mm Width：12mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:plastic molding,mathematical instruments,wall industry,hanging clamp,Industrial equipment,Leather Products,CNC,lifting chain,non-motor vehicle Electric car,tooth filling,comprehensive experiment
• Similar models:NKE NU203-E-TVP3 CX N203E ISO NU203 CX NJ2034 SKF NA2203.2RSX AST NU203EM1A FAG NUP2203-E-TVP2 CYSD NUP203 ISB NUP2203 INA 722034710
• BEARING POWER International Trading Co.,Ltd. specialize in NJ203EMA6 products，there is large inventory of AST NJ203 EMA6 . We has been built up long-term cooperation with AST company, could make a bulk order of the NJ203 EMA6 Which AST NJ203EMA6 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
  3188/3120	31,75	72,626	30,162	CX	Tapered Roller Bearings
  482/472X	69,85	123,825	30,162	KOYO	Tapered Roller Bearings
  6015 N	75	115	20	ISB	Deep Groove Ball Bearings
  6801Z	12	21	5	KOYO	Deep Groove Ball Bearings
  7310BDBTT	50,000	110,000	108,000	NTN	Angular Contact Ball Bearings
  LM603049/LM603015	45,242	79,974	21,43	Timken	Tapered Roller Bearings
  NK47/20	47	57	20	ZEN	Needle Roller Bearings
  NU232R	160	290	48	KOYO	Cylindrical Roller Bearings
  NU238-E-MPA	190	340	55	NKE	Cylindrical Roller Bearings
  NU256 E	280	500	80	CX	Cylindrical Roller Bearings
  QJ215AL1BW-1C4P6S10	75,000	130,000	25,000	NTN	Angular Contact Ball Bearings
  RNA4910.2RS	58	72	22	Timken	Needle Roller Bearings
  DC208TT8	1.1250	3.1496	1.4375	BCA	AGRICULTURAL BALL BEARINGS
  24096B.MB	480	700	218	FAG	SPHERICAL ROLLER BEARINGS
  C2318	90	190	64	FAG	TOROIDAL ROLLER BEARINGS
  23996	480	650	128	Torrington	SPHERICAL ROLLER BEARINGS
  7019CDHCP4A	95	145	24	SKF	ANGULAR CONTACT BALL BEARINGS
  51107				SNR	THRUST BALL BEARINGS
  6BE	35	80	14	RIV	DEEP GROOVE BALL BEARINGS
  59488				CONSOLIDATED	THRUST BALL BEARINGS