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. - 5,5 mm

r1 min. - 3,2 mm

Da - 99 mm

db - 74 mm

ra max. - 5,5 mm

da - 84 mm

Db - 106 mm

Weight - 1,16 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: 3994/3920
• Inner Diameter：66,675mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:economic mold,trolley,food packaging,car steering pin,Storage Tool,metal mold,other CNC,turret industry,Pneumatic Actuator,instrumentation instrument,Chromatography Products
• Similar models:KOYO 3994/3925 Fersa 3994/3927X FBJ 3994/3920 CX 3994/3920 Timken 3994/3925 Timken 3994/3926 NACHI 3994/3920 NSK 3994/3920 Timken 3994/3920 KBC 3994/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3994/3920 products，there is large inventory of NSK 3994/3920 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 3994/3920 Which NSK 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.

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  24052-E1-K30 + AH24052	240	400	140	FAG	Spherical Roller Bearings
  30210	50	90	21,75	CRAFT	Tapered Roller Bearings
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  ASTT90 F19080	190	195		AST	Plain Bearings
  BAM 1010	15,875	20,638	15,88	IKO	Needle Roller Bearings
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  F-216642	25,4	36,6	20	INA	Cylindrical Roller Bearings
  NF220	100	180	34	KOYO	Cylindrical Roller Bearings
  NH224	120,000	215,000	51,000	NTN	Cylindrical Roller Bearings
  TMB812X1C3?	60	78	10	NTN	Deep Groove Ball Bearings
  MP45				RIV	THRUST BALL BEARINGS
  238209D-2LS	45	3.3465	.7480	SKF	BALL BEARINGS
  K-36x42x16	36	42	16	CONSOLIDATED	NEEDLE BEARINGS
  231/670	670	1090	336	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  93128	.5000	.8750	1.7500	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES