d - 66,675 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

a - 4,6 mm

Weight - 0,78 Kg

• Model Number:3984/3920
• Inner Diameter：66,675mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:auto tools,packing equipment,leather processing,heating fans,gear grinding machine,molding machine,magnetic elements,Broadcasting System,Liposuction device,non-motor vehicle Electric car,Surveying Surveying Instruments
• Similar models:KBC 3984/3920 Timken 3984/3920 NTN 4T-3984/3925 ISO 3984/3925 FBJ 3984/3920 ISO 3984/3920 Timken 3984/3920B PFI 3984/20 CX 3984/3926 FBJ 3984/3925
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  22207 KCW33+H307	35	72	23	ISO	Spherical Roller Bearings
  6815ZNR	75	95	10	NACHI	Deep Groove Ball Bearings
  5S-7001CDLLBG/GNP42	12	28	8	NTN	Angular Contact Ball Bearings
  609JX2Z	9,000	24,000	7,000	NTN	Deep Groove Ball Bearings
  6006-Z-N	30	55	13	NKE	Deep Groove Ball Bearings
  Bo17	17	44	11	CX	Deep Groove Ball Bearings
  EGS25200-E50				INA	Plain Bearings
  JK0S050	50	80	22	FAG	Tapered Roller Bearings
  KJ40X47X28.8	40,000	47,000		NTN	Needle Roller Bearings
  K45x50x27	45	50	27	CX	Needle Roller Bearings
  NU213R	65	120	23	KOYO	Cylindrical Roller Bearings
  X31315M/Y31315M	75	160	40	Timken	Tapered Roller Bearings
  T4CB120	120	170	27	CX	Tapered Roller Bearings
  UKFLE212H	55			SNR	Bearing Units
  USFEE208	40			SNR	Bearing Units
  WC8011	11	32	.5000	New Departure	DEEP GROOVE BALL BEARINGS
  FLRA1-5ZZA	.0937	.3125	.1406	NTN	DEEP GROOVE BALL BEARINGS
  NU-2032E	160	240	48	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NF-408	40	110	27	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  6304-2RS	20	52	15	CONSOLIDATED	DEEP GROOVE BALL BEARINGS