d - 58.738 mm

D - 112.712 mm

T - 30.162 mm

B - 30.048 mm

C - 23.812 mm

a - 4.5 mm

r1 min. - 3.5 mm

r2 min. - 3.3 mm

Weight - 1,35 Kg

Basic dynamic load rating (C) - 118000 kN

Basic static load rating (C0) - 172000 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

Calculation factor (e) - 0.40

Calculation factor (Y0) - 0.82

Calculation factor (Y1) - 1.5

• Model Number:3981/3920
• Inner Diameter：58.738mm Outer Diameter：112.712mm Width：30.162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:packaging machinery,sucker industry,SPA equipment,Laser Devices,forming machine,PVC,Industrial,Beauty and Body,Machine Tool Accessories,axle lathe,relay
• Similar models:NSK 3981/3926 KOYO 3981/3926 Timken 3981/3920 Timken 3981/3920-B NACHI 3981/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3981/3920 products，there is large inventory of NACHI 3981/3920 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 3981/3920 Which NACHI 3981/3920 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
  23024 KCW33+H3024	120	180	46	ISO	Spherical Roller Bearings
  23034EMKW33	170,000	260,000	67,000	SNR	Thrust Roller Bearings
  355/354A	44,45	85	20,638	ISO	Tapered Roller Bearings
  B35-27	35,5	95	12	NSK	Deep Groove Ball Bearings
  49BWKH04A		135		NSK	Angular Contact Ball Bearings
  51207	35	62	18	ISB	Thrust Ball Bearings
  54414U	70	150	125	NACHI	Thrust Ball Bearings
  67782/67720	168,275	247,65	47,625	ISO	Tapered Roller Bearings
  7208 ATBP4	40	80	18	CX	Angular Contact Ball Bearings
  H71938C	190	260	33	AST	Angular Contact Ball Bearings
  MH-20161	31,75	41,275	25,4	Timken	Needle Roller Bearings
  MJT 4	101,6	215,9	44,45	SIGMA	Angular Contact Ball Bearings
  NNCF4836-V	180	211,3	45	NKE	Cylindrical Roller Bearings
  NUP1016	80	125	22	ISO	Cylindrical Roller Bearings
  RNAO45X55X17	45	55	17	KOYO	Needle Roller Bearings
  BR-7728	.6250	1.6250	.5000	FED	DEEP GROOVE BALL BEARINGS
  SAF310	2.3750	1.8750		Torrington	PILLOW BLOCKS
  1215MFF	75	130	25	FED	DEEP GROOVE BALL BEARINGS
  RXLS-61/2	6.5000	8.7500	1.1250	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  C2316	80	170	58	CONSOLIDATED	TOROIDAL ROLLER BEARINGS