d - 66,675 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

R - 3,6 mm

r - 3,3 mm

a - -4,6 mm

Da - 106 mm

db - 80 mm

da - 74 mm

Db - 99 mm

Aa - 2,4 mm

Ab - 0,9 mm

Weight - 1,15 Kg

Basic static load rating (C0) - 191 kN

Factor (G1) - 75,2

Factor (G2) - 21,3

Factor (Cg) - 0,0297

Factor (K) - 1,45

Basic dynamic load rating (C90) - 33,3

Basic dynamic load rating (Ca90) - 22,9

Basic dynamic load rating (C1) - 129 kN

Calculation factor (e) - 0,4

Calculation factor (Y) - 1,49

• Model Number:3984/3920
• Inner Diameter：66,675mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:Medical printer,hydraulic pressure gauge,pneumatic Pump,plastic rolling,quality inspection equipment,Dental Equipment,E Beauty,Automation,machine tool spindle,food sterilization,storage and transportation equipment
• Similar models:NTN 4T-3984/3920 ISO 3984/3920 Fersa 3984/3925 Timken 3984/3920 NACHI 3984/3920 Timken 3984/3925 CX 3984/3926 CX 3984/3925 KBC 3984/3920 FBJ 3984/3925
• BEARING POWER International Trading Co.,Ltd. specialize in 3984/3920 products，there is large inventory of Timken 3984/3920 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 3984/3920 Which Timken 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
  120060/120110	60	110	30,16	Gamet	Tapered Roller Bearings
  2921	105	140	25	NACHI	Thrust Ball Bearings
  3NC628YH4	8	24	8	KOYO	Deep Groove Ball Bearings
  6319-2RS	95	200	45	ZEN	Deep Groove Ball Bearings
  71928CVUJ74	140	190	24	SNR	Angular Contact Ball Bearings
  G1009KLLB	14,2875	40	27,78	Timken	Deep Groove Ball Bearings
  K49X65X38H	49	65		Timken	Needle Roller Bearings
  KT 252913	25	29		IKO	Needle Roller Bearings
  NN3020TBKR	100	137	37	NSK	Cylindrical Roller Bearings
  PCM 9510060 E	95	100	60	SKF	Plain Bearings
  BR-21	.5000	1.3750	.4375	FED	DEEP GROOVE BALL BEARINGS
  234726M.SP	135	200	234726 M.SP	Barden	ANGULAR CONTACT THRUST BALL BEARINGS
  LS140180	140	180		INA	THRUST NEEDLE BEARINGS
  307-SF	35	80	21	MRC	DEEP GROOVE BALL BEARINGS
  75TAC20X	75	115	234415 M.SP	NSK	ANGULAR CONTACT THRUST BALL BEARINGS
  NF240E	200	360	58	STEYR	CYLINDRICAL ROLLER BEARINGS
  RLS8	.7500	1.8750	.5625	NH	CYLINDRICAL ROLLER BEARINGS
  NJ330	150	320	65	SKF	CYLINDRICAL ROLLER BEARINGS
  6022.2ZNR	110	170	28	SKF	DEEP GROOVE BALL BEARINGS
  TRL-12	.7500		.8750	CONSOLIDATED	ROD ENDS