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. - 5.6 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:3994/3920
• Inner Diameter：66.675mm Outer Diameter：112.713mm Width：30.163mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:Storage Device,expectoration machine,extruder,key lock,industrial equipment,Seals,wire industry,security equipment,mechanical and electrical,ship special,medical equipment
• Similar models:CX 3994/3920 Timken 3994/3926 Timken 3994/3925 NTN 4T-3994/3920 NSK 3994/3920 Timken 3994/3927X Fersa 3994/3927X ISO 3994/3920 KBC 3994/3920 Timken 3994/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3994/3920 products，there is large inventory of NACHI 3994/3920 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 3994/3920 Which NACHI 3994/3920 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
  201043	70	194	112	FAG	Tapered Roller Bearings
  23164-E1A-K-MB1 + AH3164G-H	300	540	176	FAG	Spherical Roller Bearings
  240/560 K30CW33+AH240/560	560	820	258	ISO	Spherical Roller Bearings
  6208-2NKE	40	80	18	NACHI	Deep Groove Ball Bearings
  7900UADG/GNP42	10	22	6	NTN	Angular Contact Ball Bearings
  BTH-0010D	78	130	90	SKF	Tapered Roller Bearings
  GIKFR 16 PB	16	32	21	INA	Plain Bearings
  HMK1715	17	24	15	NTN	Needle Roller Bearings
  NJ2307	35	80	31	KOYO	Cylindrical Roller Bearings
  NKJ40/30	40	55	30	KOYO	Needle Roller Bearings
  NU3219	95	170	55,6	CX	Cylindrical Roller Bearings
  PMEY20-N	20			INA	Bearing Units
  UCFL213	65			KOYO	Bearing Units
  SB-22228-SS	140	250	68	McGill	SPHERICAL ROLLER BEARINGS
  6309.2Z	45	100	25	FAG	DEEP GROOVE BALL BEARINGS
  6005.2ZNR	25	47	12	FAG	DEEP GROOVE BALL BEARINGS
  SCE97			.4375	INA	NEEDLE BEARINGS
  KF075ARO	7.5000	9.0000	.7500	KAYDON	ANGULAR CONTACT BALL BEARINGS
  MRJA4E	4.0000	8.5000	1.7500	RHP	CYLINDRICAL ROLLER BEARINGS
  MS-29-AC	11.0000	20.0000	3.5000	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS