(dimensions in mm)

Bearing Type - NU

Bore Dia (d) - 105.0000

Outer Dia (D) - 225.0000

Width (B) - 49.0000

Radius (min) (rs) - 3.000

Dynamic Load Rating (Cr) - 418,000

Static Load Rating (Cor) - 469,000

Max Speed (Grease) (X1000 RPM) - 2

Max Speed (Oil) (X1000 RPM) - 3

Max. Shaft Shoulder Dia. Inner (Li) - 133.0

Min. Housing Shoulder Dia., Outer (Lo) - 201.0

Weight (g) - 9,900.00

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:NU321 EM
• Inner Diameter：105mm Outer Diameter：225mm Width：49mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-12
• Application:tooth filling,Optical Instruments,Seals,plastic molding,industrial skin care,directional control valve,lifting tackle,impression material,inorganic chemical,packing equipment,outdoor equipment
• Similar models:KOYO NU3215 KOYO NU3211 NACHI 23216E ISO NUP3218 ISO NJ321 NKE NUP321-E-MPA CX NUP3217 CX HK3216 NTN NU3210 NKE NJ321-E-TVP3
• BEARING POWER International Trading Co.,Ltd. specialize in NU321EM products，there is large inventory of AST NU321 EM . We has been built up long-term cooperation with AST company, could make a bulk order of the NU321 EM Which AST NU321EM 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
  130070/130127C	70	127	29,79	Gamet	Tapered Roller Bearings
  23156-K-MB-W33+AH3156	280	460	146	NKE	Spherical Roller Bearings
  309245B	42	75	37	SKF	Angular Contact Ball Bearings
  51105	25	42		ISO	Thrust Ball Bearings
  6306-32R-2NSLC5	32	72	19	NACHI	Deep Groove Ball Bearings
  A5069/A5144	17,455	36,525	11,112	NSK	Tapered Roller Bearings
  CR-9111	457,2	573,088	74,613	NTN	Tapered Roller Bearings
  GE17KRRB	17	40	27,78	Timken	Deep Groove Ball Bearings
  MR14017048	222,25	269,875	76,2	NTN	Needle Roller Bearings
  NJ207 ETN	35	72	17	AST	Cylindrical Roller Bearings
  NF 315	75	139.5		NACHI	Cylindrical Roller Bearings
  NJ18/670	670	820	69	CX	Cylindrical Roller Bearings
  NUP230R	150	270	45	KOYO	Cylindrical Roller Bearings
  QJ319	95	200	45	NTN	Angular Contact Ball Bearings
  GE80FO-2RS	80	130	75	ELGES	SPHERICAL PLAIN BEARINGS
  W-11/4				FAG	THRUST BALL BEARINGS
  RKS.062.20.0744	648	816		SKF	SLEWING BEARINGS
  5204	20	47	20.6	FED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  RLS-281/2-L	10.5000	16.6250	2.2500	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NK-47/20	57		20	CONSOLIDATED	NEEDLE BEARINGS