(dimensions in mm)

Bearing Type - NU

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

Weight (g) - 77.00

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:NU203 EM1A
• Inner Diameter：17mm Outer Diameter：40mm Width：12mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-12
• Application:diagnostic test paper,Liposuction device,municipal machinery,car,Storage Tool,milling head plug,Automobile,Display Devices,building decoration raw materials and accessories,set bacteria instrument,light therapy instrument
• Similar models:SKF BC4B322039/HA1 ISB NJ2203 CX NUP203E AST NJ203EM6 ISO NU2032 Timken NU203E.TVP NTN RNP2032 SKF NU2203ECP NTN RUS203 CX NH203E
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  22219	95	170	43	FBJ	Spherical Roller Bearings
  22317EMW33	85,000	180,000	60,000	SNR	Thrust Roller Bearings
  22336MBK	180	380	126	AST	Spherical Roller Bearings
  61915-2RS	75	105	16	CRAFT	Deep Groove Ball Bearings
  BK3020	30	37	20	SKF	Needle Roller Bearings
  BSA 210 C	50	90	20	SKF	Thrust Ball Bearings
  BTW 100 CTN9/SP	100	150	30	SKF	Angular Contact Ball Bearings
  C48/1320MB	1320	1600	280	SKF	Cylindrical Roller Bearings
  HK152012	15	20	12	ISO	Cylindrical Roller Bearings
  NA4824	120	150	30	NTN	Needle Roller Bearings
  QJ1028	140	210	33	CX	Angular Contact Ball Bearings
  S7210B	50	90	20	ZEN	Angular Contact Ball Bearings
  TUP2 105.60	105	110		CX	Plain Bearings
  6040	200	310	51	FAG	DEEP GROOVE BALL BEARINGS
  TLA1412Z	20		12	IKO	NEEDLE BEARINGS
  ER-54	5.9055	3.3750	1.9375	McGill	BALL BEARING
  XLS-21	21.0000	28.0000	3.5000	HOFF	DEEP GROOVE BALL BEARINGS
  3305	25	62	25.4	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  MS-261/2-AC	8.5000	16.0000	3.0000	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  SA20ES	20		16	CONSOLIDATED	ROD ENDS