(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：2025-12-17
• Application:Cylinder Special,Doppler,teaching equipment,mathematical instruments,climb ladder,transistor fittings,plastic molding,wheel lathe,Power equipment,Gripper Swing,rubber products machinery and equipment
• Similar models:FAG N203-E-TVP2 NKE NUP2203-E-TVP3 NTN 2R11203 NTN RNU4203 AST NJ2203E SKF NU2203ECP PSL PSL412-203 CYSD NU203 NTN NU203 FAG NU203-E-TVP2
• 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
  120BNR10H	120	180	28	NSK	Angular Contact Ball Bearings
  2578/2523-S	28,575	69,85	23,812	Timken	Tapered Roller Bearings
  61907	35	55	10	CX	Deep Groove Ball Bearings
  665A/653	85,725	146,05	41,275	CX	Tapered Roller Bearings
  ACT013BDB	65	100		KOYO	Angular Contact Ball Bearings
  B-912	14,288	19,05	19,05	Timken	Needle Roller Bearings
  B7014-E-T-P4S	70	110	20	FAG	Angular Contact Ball Bearings
  GW 160	160	290	77	CX	Plain Bearings
  EXT318	90			SNR	Bearing Units
  KFC065	165,1	203,2	19,05	KOYO	Deep Groove Ball Bearings
  NK75/25	75	92	25	AST	Needle Roller Bearings
  RNAF 8010030	80	100	30	IKO	Needle Roller Bearings
  RNU4807	240,000	500,000	157,000	NTN	Cylindrical Roller Bearings
  TUW1 32	32	54	1,5	CX	Plain Bearings
  UCFA206	30			SNR	Bearing Units
  NU2224E	120	215	58	FAG	CYLINDRICAL ROLLER BEARINGS
  31309A	45	100	25	FAG	TAPERED ROLLER BEARINGS
  MCYRR-12	12	32	15	McGill	NEEDLE BEARINGS
  H-3936x160	180	210		CONSOLIDATED	ADAPTERS
  C2211V	55	100	25	CONSOLIDATED	TOROIDAL ROLLER BEARINGS