d - 60 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 - 74 mm

da - 68 mm

Db - 99 mm

Aa - 2,2 mm

Ab - 1,1 mm

Weight - 1,3 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:3977/3920
• Inner Diameter：60mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:garbage disposal,Digital Generator,equipment,Vertical machining,coupling type,engine,Spectral Products,rehabilitation training equipment,Textile Industry Accessories and Accessories,animal,physical instruments
• Similar models:Timken 3977/3920-B Timken 3977X/3921XA KOYO 3977/3925 Timken 3977/3920 Timken 3977/3925 ISO 3977/3920 CX 3977/3920 Timken 3977X/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3977/3920 products，there is large inventory of Timken 3977/3920 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 3977/3920 Which Timken 3977/3920 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
  1986/1922	25,4	57,15	19,845	Timken	Tapered Roller Bearings
  51306 V/HR11Q1	65	30	21	SKF	Thrust Ball Bearings
  6208-NR	40	80	18	NKE	Deep Groove Ball Bearings
  61948	240	320	38	CX	Deep Groove Ball Bearings
  6306/HR22T2	30	72	19	SKF	Deep Groove Ball Bearings
  7001UCGD2/GNP4	12	28	8	NTN	Angular Contact Ball Bearings
  A 5228 WB	140	250	82,55	SIGMA	Cylindrical Roller Bearings
  BEAM 035090-2RZ	35	90	34	SKF	Thrust Ball Bearings
  FJLTT-1216	12	19	16	NSK	Needle Roller Bearings
  FR 166	4,762	10,719	3,175	NSK	Deep Groove Ball Bearings
  GIPFL 30 PW	30	55	37	INA	Plain Bearings
  NJ319EG15	95,000	200,000	45,000	SNR	Cylindrical Roller Bearings
  NJ420	100	250	58	CYSD	Cylindrical Roller Bearings
  WB1630136	15,918	30	136,4	ISB	Deep Groove Ball Bearings
  202KDD4	35	.6250	11	FAF	DEEP GROOVE BALL BEARINGS
  LS7095	70	95		FAG	THRUST NEEDLE BEARINGS
  11207E	35	72	17	MRC	SELF
  GE200DO	200	290	130	INA	SPHERICAL PLAIN BEARINGS
  1601	.1875	.6875	.2500	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  238/670	670	820	112	CONSOLIDATED	SPHERICAL ROLLER BEARINGS