d - 66,675 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

ra1 max. - 3,2 mm

a - 25,5 mm

r min. - 3,5 mm

r1 min. - 3,2 mm

Da - 99 mm

db - 74 mm

ra max. - 3,5 mm

da - 80 mm

Db - 106 mm

Weight - 1,166 Kg

Basic dynamic load rating (C) - 120 kN

Basic static load rating (C0) - 173 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

Calculation factor (e) - 0,4

Calculation factor (Y0) - 0,82

Calculation factor (Y1) - 1,5

• 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:respirator,bathroom facilities,equipment and,Hydraulic Hose,Hydraulic Equipment,auto tools,spectrometer,Cylinder Pneumatic Treatment Element,gear type,rolling machine,building decoration raw materials and accessories
• Similar models:Timken 3984/3920 ISO 3984/3920 PFI 3984/20 Timken 3984/3927X SKF 3984/2/3920/2/Q NACHI 3984/3920 CX 3984/3920 Timken 3984/3925 Timken 3984/3920B CX 3984/3926
• BEARING POWER International Trading Co.,Ltd. specialize in 3984/3920 products，there is large inventory of NSK 3984/3920 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 3984/3920 Which NSK 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
  16018	90	140	16	NACHI	Deep Groove Ball Bearings
  23284 KCW33+H3284	420	760	272	ISO	Spherical Roller Bearings
  30214	70	125	26,25	ISB	Tapered Roller Bearings
  6814-2RU	70	90	10	KOYO	Deep Groove Ball Bearings
  52312	50	110	64	FAG	Thrust Ball Bearings
  6213-Z	65	120	23	ISB	Deep Groove Ball Bearings
  6216-RS1	140	80	26	SKF	Deep Groove Ball Bearings
  713649320				FAG	Wheel Bearings
  71913 CB/HCP4A	90	65	13	SKF	Angular Contact Ball Bearings
  7226 BGAM	230	130	40	SKF	Angular Contact Ball Bearings
  7310 BEP	110	50	27	SKF	Angular Contact Ball Bearings
  GEG 120 ES 2RS	120	210	115	ISB	Plain Bearings
  GEG25C	25	47	28	LS	Plain Bearings
  J-188	28.575	34.925	12.70	KOYO	Needle Roller Bearings
  SLX280X460X200	280,000	460,000	200,000	NTN	Cylindrical Roller Bearings
  32221J2	105	190	50	SKF	TAPERED ROLLER BEARINGS
  98840	1.3750	2.3750	2.5000	RBC	JOURNAL ROLLER ASSEMBLIES
  6018NR	90	140	24	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  6207	72	35	17	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NU-2984E	420	560	82	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS