(dimensions in mm)

Bearing Type - N

Bore Dia (d) - 17.0000

Outer Dia (D) - 40.0000

Width (B) - 12.0000

Radius (min) (rs) - 0.300

Dynamic Load Rating (Cr) - 11,800

Static Load Rating (Cor) - 9,600

Max Speed (Grease) (X1000 RPM) - 17

Max Speed (Oil) (X1000 RPM) - 20

Max. Shaft Shoulder Dia. Inner (Li) - 22.9

Min. Housing Shoulder Dia., Outer (Lo) - 33.9

Weight (g) - 69.00

Precision - RBEC 1

Standard Clearance - C0

Material - 52100 Chrome steel, or equivalent

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

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:N203
• Inner Diameter：17mm Outer Diameter：40mm Width：12mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-13
• Application:extruder,Dental Drill etc,atomizer class,Storage Tool,mathematical instruments,marine test,generator,Seals,fabric products,respirator,reducer
• Similar models:NTN NJ203 SKF BC4B322039/HA1 CX NU203E Timken NUP203E.TVP SNR RNU203EG15 NTN E-4R15203 CYSD N203 NTN RNUJ2033 CX NJ2203E ISB NJ203
• BEARING POWER International Trading Co.,Ltd. specialize in N203 products，there is large inventory of AST N203 . We has been built up long-term cooperation with AST company, could make a bulk order of the N203 Which AST N203 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
  15125/15245		62.000	20.638	NACHI	Tapered Roller Bearings
  16FSH35	16	35	12	Timken	Plain Bearings
  20236-MB	180	320	52	FAG	Spherical Roller Bearings
  33210	50	90	32	FBJ	Tapered Roller Bearings
  6009	45	75	16	Fersa	Deep Groove Ball Bearings
  6301	12	37	12	FAG	Deep Groove Ball Bearings
  AB41272S02	25	52	15	SNR	Deep Groove Ball Bearings
  CR0-3666	180	260	185	NTN	Tapered Roller Bearings
  GEG17N	17	35	20	LS	Plain Bearings
  NF 1044	220	310		NACHI	Cylindrical Roller Bearings
  NJ1940	200	280	38	ISO	Cylindrical Roller Bearings
  NU3248	240	440	160	KOYO	Cylindrical Roller Bearings
  RC4922	110	150	40	NACHI	Cylindrical Roller Bearings
  RNA4840	220	250	50	CX	Needle Roller Bearings
  WJ-323820	50,8	60,325		Timken	Needle Roller Bearings
  S202FF	15	35	11	BCA	DEEP GROOVE BALL BEARINGS
  LFR5201-10.2Z	12	35	-	INA	YOKE TYPE TRACK ROLLERS
  AL-55	55	100	25	RIV	DEEP GROOVE BALL BEARINGS
  SAR1-35SS	35	55	25	NTN	SPHERICAL PLAIN BEARINGS
  6316-ZZNR	80	170	39	CONSOLIDATED	DEEP GROOVE BALL BEARINGS