d - 66,675 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

ra1 max. - 3,3 mm

a - 4,5 mm

Da - 99 mm

db - 74 mm

ra max. - 5,5 mm

da - 84 mm

Db - 106 mm

Weight - 1,18 Kg

Basic dynamic load rating (C) - 119 kN

Basic static load rating (C0) - 174 kN

(Grease) Lubrication Speed - 3 200 r/min

(Oil) Lubrication Speed - 4 300 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y2) - 1,49

• Model Number:4T-3994/3920
• Inner Diameter：66,675mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2026-01-03
• Application:medical equipment,Garment Accessories,medical equipment,stirrer,pneumatic,Cylinder Special,EEG,teaching equipment,security equipment,non-motor vehicle Electric car,ship special
• Similar models:AST 3994/3925 Timken 3994/3920 NTN 4T-3994/3920 NACHI 3994/3920 ISO 3994/3920 Timken 3994/3927X Timken 3994/3926 Fersa 3994/3920 Fersa 3994/3927X Timken 3994/3925
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-3994/3920 products，there is large inventory of NTN 4T-3994/3920 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-3994/3920 Which NTN 4T-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
  2205E-2RS1KTN9+H305E	20	52	18	SKF	Self-Aligning Ball Bearings
  23956MBKW33	280	380	75	AST	Spherical Roller Bearings
  7334BDT	170	360	72	NTN	Angular Contact Ball Bearings
  80035/80068C	35	68	20,63	Gamet	Tapered Roller Bearings
  B-36	4,763	8,733	9,53	Timken	Needle Roller Bearings
  HMK2526LL	25	33	26	NTN	Needle Roller Bearings
  HR322/28CJ	28	58	20,25	NSK	Tapered Roller Bearings
  JH-1816	28.575	38.100	25.40	KOYO	Needle Roller Bearings
  LM501349/LM501314	41,275	73,431	21,43	FBJ	Tapered Roller Bearings
  NJ315EG15	75,000	160,000	37,000	SNR	Cylindrical Roller Bearings
  NUP 308 EW	40	90	23	NSK	Cylindrical Roller Bearings
  PRC 12				IKO	Plain Bearings
  75CM796	7.5000	14.5000	2.7500	American	CYLINDRICAL ROLLER BEARINGS
  NKJ45/25A	45	62	25	FAG	NEEDLE BEARINGS
  TLA2030Z	26		30	IKO	NEEDLE BEARINGS
  NKI40/20	40	55	20	INA	NEEDLE BEARINGS
  440SD39	440	600	118	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  4221	105	190	50	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  IR-6x10x10JSI	6		10	CONSOLIDATED	NEEDLE BEARINGS
  110x130x13mm	110	130	13	CONSOLIDATED	OIL SEALS