d - 105 mm

Fw - 135 mm

D - 225 mm

B - 49 mm

r min. - 3 mm

r1 min. - 3 mm

Weight - 8.73 Kg

Basic dynamic load rating (C) - 340 kN

Basic static load rating (C0) - 385 kN

(Grease) Lubrication Speed - 2600 r/min

(Oil) Lubrication Speed - 3200 r/min

• Model Number:NU 321
• Inner Diameter：105mm Outer Diameter：225mm Width：49mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:Power equipment,sheet industry,agricultural testing and analysis equipment and related,Die,Cutting Machine,electromagnet,medical Equipment,Medical room equipment,wire industry,lifting equipment Hoisting hoist,Broadcasting System
• Similar models:SNR NU321EM CX NU3216 NACHI NP321 NTN RNU3216 ISO NUP3219 CX NUP3212 ISO NJ3213 KOYO NUP2321 ISO NUP321 CX N321E
• BEARING POWER International Trading Co.,Ltd. specialize in NU321 products，there is large inventory of NACHI NU 321 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the NU 321 Which NACHI NU321 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
  22317 KCW33+AH2317	85	180	60	ISO	Spherical Roller Bearings
  53318U	90	155	59	NACHI	Thrust Ball Bearings
  515652A	35	72	27	FAG	Angular Contact Ball Bearings
  54232XU	160	225	110	NSK	Thrust Ball Bearings
  6328	140	300	62	CX	Deep Groove Ball Bearings
  7000 BDB	10	26	16	ISO	Angular Contact Ball Bearings
  74550A/74850	139,7	215,9	47,625	CX	Tapered Roller Bearings
  BXRE307	35	80	21	INA	Needle Roller Bearings
  ER209-26	41,275	85	49,2	FYH	Deep Groove Ball Bearings
  F623ZZ	3	10	4	ISB	Deep Groove Ball Bearings
  LMEKM25	25	40		Samick	Linear Bearings
  M-241	3,175	6,35	6,35	NSK	Needle Roller Bearings
  NU 19/600 ECMA/HA1	800	600	90	SKF	Thrust Ball Bearings
  TUP2 190.60	190	195		CX	Plain Bearings
  Z-549731.04.DRGL	280	666,75	218	FAG	Spherical Roller Bearings
  MB-23	115	137	12	FAG	LOCKWASHERS
  RBC2	.8750	2.0000	1.2500	RBC	ROLLER CAM FOLLOWERS
  NU311E	55	120	29	SKF	CYLINDRICAL ROLLER BEARINGS
  FLRA188ZZA	.2500	.5000	.1875	NTN	DEEP GROOVE BALL BEARINGS
  RBNA101412	14		12	SKF (Old No.)	NEEDLE BEARINGS