(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：2025-04-22
• Application:vertical sawing machine,electronic materials,Oral Equipment,chamfering machine etc,Traffic Fire Protection Equipment Security equipment,medical equipment,raw material accessories,motorcycle,Other Measurements,Automation,Other Machine Tools
• Similar models:NKE NUP321-E-MPA NTN NU3215 NTN RNU3216 KOYO NUP321 KOYO NUP2321 NSK HH932132/HH932110 NSK EE321145-N1/321240-N ISO NU3216 KOYO NJ321 CX NU3219
• 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
  131092X/131150G	92,075	150	75	Gamet	Tapered Roller Bearings
  180RF91	180	262		Timken	Cylindrical Roller Bearings
  22238-2CS5/VT143	340	190	92	SKF	Spherical Roller Bearings
  23084EK	420	620	150	NACHI	Cylindrical Roller Bearings
  9105PP	25	47	12	Timken	Deep Groove Ball Bearings
  NAF 609030	60	90	30	IKO	Needle Roller Bearings
  NJ219-E-TVP2	95	170	32	FAG	Cylindrical Roller Bearings
  NN4920 K	100	140	40	CX	Cylindrical Roller Bearings
  NU 221 ECML	190	105	36	SKF	Thrust Ball Bearings
  NUP 2314	70	150	51	SIGMA	Cylindrical Roller Bearings
  SAZP11S	11,11			LS	Plain Bearings
  T4EB240	240	320	42	ISO	Tapered Roller Bearings
  UCFL208-25E	39,6875			FYH	Bearing Units
  USEHE205	25			SNR	Bearing Units
  62214-2RS1	70	125	31	SKF	DEEP GROOVE BALL BEARINGS
  GE110GS-2RS	110	180	100	IKO	SPHERICAL PLAIN BEARINGS
  NJ309E	45	100	25	STEYR	CYLINDRICAL ROLLER BEARINGS
  N405	25	80	21	SKF	CYLINDRICAL ROLLER BEARINGS
  RM-20	2.5000	5.5000	1.2500	SKF	SELF
  XLS-2	2.0000	3.3125	.6250	CONSOLIDATED	DEEP GROOVE BALL BEARINGS