d - 66.675 mm

D - 112.713 mm

T - 30.163 mm

B - 30.048 mm

C - 23.813 mm

a - 4.3 mm

r1 min. - 3.6 mm

r2 min. - 3.2 mm

Weight - 1,15 Kg

Basic dynamic load rating (C) - 111000 kN

Basic static load rating (C0) - 164000 kN

(Grease) Lubrication Speed - 2800 r/min

(Oil) Lubrication Speed - 4000 r/min

Calculation factor (e) - 0.40

Calculation factor (Y0) - 0.82

Calculation factor (Y1) - 1.49

• Model Number: 3984/3920
• Inner Diameter：66.675mm Outer Diameter：112.713mm Width：30.163mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:Digital Generator,Generator,municipal machinery,Gripper Swing,lifting tackle,tapping machine,Low-voltage electrical equipment,Medical printer,food add,Workpiece,electric pump
• Similar models:Fersa 3984/3920 FBJ 3984/3925 ISO 3984/3920 CX 3984/3920 KOYO 3984/3925 Timken 3984/3925 KBC 3984/3920 NTN 4T-3984/3925 CX 3984/3925 Fersa 3984/3925
• BEARING POWER International Trading Co.,Ltd. specialize in 3984/3920 products，there is large inventory of NACHI 3984/3920 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 3984/3920 Which NACHI 3984/3920 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
  150KBE03	150	320	120	NACHI	Tapered Roller Bearings
  230/950 EKW33+OH30/950	900	1360	300	ISB	Spherical Roller Bearings
  23938RK	190	260	52	KOYO	Spherical Roller Bearings
  30224A	120	215	43,5	ZVL	Tapered Roller Bearings
  54216	80	115	51	NACHI	Thrust Ball Bearings
  7317B	85	180	41	NTN	Angular Contact Ball Bearings
  HJ-364824	57,15	76,2	38,1	KOYO	Needle Roller Bearings
  HR322/32	32	65	22,25	NSK	Tapered Roller Bearings
  K50×55×30	50	55		NTN	Needle Roller Bearings
  NF2226	130	230	64	ISO	Cylindrical Roller Bearings
  NJ2240-E-M6	200	360	98	NKE	Cylindrical Roller Bearings
  NU 10/670 ECMA	980	670	136	SKF	Thrust Ball Bearings
  SCE46PP	6,35	11,1252	9,525	AST	Needle Roller Bearings
  SIQG63ES	63			SKF	Plain Bearings
  UC201	12	47	31	FAG	Deep Groove Ball Bearings
  UKP319SC	85		125	KOYO	Bearing Units
  53214U				FAG	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  308PP	40	90	23	FAF	DEEP GROOVE BALL BEARINGS
  GS81130	152	190		Torrington	THRUST ROLLER BEARINGS
  SA70ES	70		49	CONSOLIDATED	ROD ENDS