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：2025-04-23
• Application:tire industry,Display Devices,Cutting Machine,Medical room equipment,E Beauty,tooth filling,forklift industry,Plastic Equipment,electromagnetic clutch,filter paper products,squeeze machine etc
• Similar models:SKF 3984/2/3920/2/Q Timken 3984/3925 PFI 3984/20 Fersa 3984/3925 Timken 3984/3926 NTN 4T-3984/3925 CX 3984/3920 ISO 3984/3925 ISO 3984/3926 FBJ 3984/3920
• 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
  238/1250	1250,000	1500,000	185,000	NTN	Spherical Roller Bearings
  240/560E	560	820	258	NACHI	Cylindrical Roller Bearings
  30308	40	90	25,25	PFI	Tapered Roller Bearings
  306KDG	30	72	19	Timken	Deep Groove Ball Bearings
  3305-B-2Z-TV	25	62	25,4	NKE	Angular Contact Ball Bearings
  33122/DF	110	180	112	SKF	Tapered Roller Bearings
  331291 B	1016	812,8	190,5	SKF	Tapered Roller Bearings
  54224U+U224	123			ISO	Thrust Ball Bearings
  AST20 28060	280	285		AST	Plain Bearings
  B10	26,988	50,012	19,05	INA	Thrust Ball Bearings
  GEZ 600 TXA-2LS	222,25	152,4	120,65	SKF	Plain Bearings
  NA 4918	90	125	35	IKO	Needle Roller Bearings
  NNU 4936 K	180	250	69	NSK	Cylindrical Roller Bearings
  NUP217	85	150	28	ISO	Cylindrical Roller Bearings
  ZARN65125-L-TV	65	125	103	INA	Complex Bearings
  T7FC075	75	150	38	FAG	TAPERED ROLLER BEARINGS
  TRC4860	3.0000	3.7500		Torrington	THRUST NEEDLE BEARINGS
  SN517	75		90	STEYR	PILLOW BLOCKS
  6028Z	140	210	33	SKF	DEEP GROOVE BALL BEARINGS
  5307E-ZZ	35	80	34.9	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS