d - 105 mm

D - 225 mm

T - 53,5 mm

B - 49 mm

C - 41 mm

ra1 max. - 2,5 mm

a - 43,5 mm

r min. - 4 mm

r1 min. - 3 mm

da min. - 123 mm

Da min - 193 mm

Da max. - 211 mm

db max. - 132 mm

Db min. - 209 mm

ra max. - 3 mm

Sa - 6 mm

Sb - 12,5 mm

Weight - 9,79 Kg

Basic dynamic load rating (C) - 435 kN

Basic static load rating (C0) - 530 kN

(Grease) Lubrication Speed - 1 700 r/min

(Oil) Lubrication Speed - 2 300 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,96

Calculation factor (Y2) - 1,74

• Model Number: 30321U
• Inner Diameter：105mm Outer Diameter：225mm Width：53,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-17
• Application:extruder,Security Equipment,plastic molding,molding machine,packaging machinery,stirrer,Other machinery,oral medical device,Vertical pull,Other Measurements,air shower etc
• Similar models:KOYO 30321D KOYO 30321 NTN 430321XU FAG 30321-XL NSK HR30321J NTN 30321U KOYO 30321JR NACHI 30321D NTN 430321X NTN 30321
• BEARING POWER International Trading Co.,Ltd. specialize in 30321U products，there is large inventory of NTN 30321U . We has been built up long-term cooperation with NTN company, could make a bulk order of the 30321U Which NTN 30321U 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
  54314-MP+U314	55	125	80,3	NKE	Thrust Ball Bearings
  55187/55443	47,625	112,712	30,162	Timken	Tapered Roller Bearings
  6218Z	90,000	160,000	30,000	NTN	Deep Groove Ball Bearings
  6314ZZ	70	150	35	NSK	Deep Groove Ball Bearings
  657/653	73,025	146,05	41,275	Timken	Tapered Roller Bearings
  AST20 19060	190	195		AST	Plain Bearings
  AST20 WC13IB	22,225	41,275		AST	Plain Bearings
  AX 55 78	55	78	2,8	KOYO	Needle Roller Bearings
  K240x250x42	240	250		SKF	Needle Roller Bearings
  MJH-10101	15,875	22,225	15,88	NSK	Needle Roller Bearings
  NKIS 40	65	40	22	SKF	Cylindrical Roller Bearings
  NUP10/800	800	1150	155	ISO	Cylindrical Roller Bearings
  RNAO16X24X20	16	24	20	KOYO	Needle Roller Bearings
  SL014980	400	540	140	INA	Cylindrical Roller Bearings
  488500	10	30	.3543	New Departure	DEEP GROOVE BALL BEARINGS
  NAK50	50	80	28	FAG (Old No.)	NEEDLE BEARINGS
  SN612	55		80	STEYR	PILLOW BLOCKS
  211-MFF	55	100	21	MRC	DEEP GROOVE BALL BEARINGS
  NBI172916	17	29	16	NADELLA	NEEDLE BEARINGS
  K-17008ARO	170	186	8	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS