(dimensions in mm)

Bearing Type - NU

Bore Dia (d) - 140.0000

Outer Dia (D) - 250.0000

Width (B) - 42.0000

Radius (min) (rs) - 3.000

Dynamic Load Rating (Cr) - 372,000

Static Load Rating (Cor) - 479,000

Max Speed (Grease) (X1000 RPM) - 2

Max Speed (Oil) (X1000 RPM) - 3

Max. Shaft Shoulder Dia. Inner (Li) - 169.0

Min. Housing Shoulder Dia., Outer (Lo) - 225.0

Weight (g) - 9,100.00

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:NU228 EM
• Inner Diameter：140mm Outer Diameter：250mm Width：42mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:chemical raw materials and reagents,Spectrum Products,Rolling mill gear box,test laboratory equipment and accessories,DC generators,Digital Generator,Machine tools,medical equipment,Anesthetic Equipment,test equipment,gear grinding machine
• Similar models:ISO NUP2228 SKF NU228ECM/C3VL2071 NSK NUP228EM CX NP2228E CX NP3228 NACHI 22228EXK NSK NUP2228EM ISO NJ228 CX NJ3228 AST NU228EM
• BEARING POWER International Trading Co.,Ltd. specialize in NU228EM products，there is large inventory of AST NU228 EM . We has been built up long-term cooperation with AST company, could make a bulk order of the NU228 EM Which AST NU228EM 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
  23980-B-K-MB+H3980	400	540	106	FAG	Spherical Roller Bearings
  32044T168X/DB	220	340	168	SKF	Tapered Roller Bearings
  3209-B-TV	45	85	30,2	NKE	Angular Contact Ball Bearings
  4T-HM204049/HM204010	46	91	32	NTN	Tapered Roller Bearings
  52205	20	47	28	ISB	Thrust Ball Bearings
  F-83345	23,05	43	9	INA	Thrust Roller Bearings
  LM565943/10	374,65	522,288	85,725	ISO	Tapered Roller Bearings
  NA6917R	85	120	63	NTN	Needle Roller Bearings
  NU18/1000	1000	1220	100	ISO	Cylindrical Roller Bearings
  RNA4902	20	28	13	SKF	Needle Roller Bearings
  RNA49/28	32	45	17	INA	Needle Roller Bearings
  RNA4910-2RS	58	72	22	ISO	Needle Roller Bearings
  RNA6919-ZW-XL	110	130	63	INA	Needle Roller Bearings
  RW4	6,35	15,875		AST	Deep Groove Ball Bearings
  UCC208	40			SNR	Bearing Units
  USFC211	55			SNR	Bearing Units
  OPN-625	.6250	1.1250	1.5000	Heim	LINEAR RECIRCULATING BALL BEARINGS
  5213-K	65	120	38.1	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  SW32-OP	2.0000	3.0000	4.0000	NB	LINEAR RECIRCULATING BALL BEARINGS
  RLS-22	2.7500	5.2500	.9375	SKF	DEEP GROOVE BALL BEARINGS