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：2025-04-21
• Application:cleaners,generator,Machine Tool Accessories,walking Food processing machinery and equipment,Cylinder Type,motor,cleaning agent,Cylinder Special,electrocardiograph,welding equipment,education model Instruments
• Similar models:ISO 3977/3920 Timken 3977X/3921XA KOYO 3977/3925 Timken 3977/3920 Timken 3977/3920-B Timken 3977X/3920 CX 3977/3920 Timken 3977/3925
• 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.

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  1213S	65	120	23	NTN	Self-Aligning Ball Bearings
  3586/3525	45,237	87,312	30,162	ISO	Tapered Roller Bearings
  335-S/332-B	33,338	80	22,403	Timken	Tapered Roller Bearings
  3879/3820	40	85,725	30,162	CX	Tapered Roller Bearings
  39575/39520	50,8	112,712	30,162	KOYO	Tapered Roller Bearings
  4R4806	240	340	220	NTN	Cylindrical Roller Bearings
  52209	47	73	37	ISO	Thrust Ball Bearings
  CX663				CX	Wheel Bearings
  GE280ES	280	400	155	LS	Plain Bearings
  HM801346X/HM801310	38,1	82,55	29,37	KOYO	Tapered Roller Bearings
  K 19x23x13	19	23		NBS	Needle Roller Bearings
  NCF2968 V	340	460	72	CX	Cylindrical Roller Bearings
  RNA 49/32	40	52	20	JNS	Needle Roller Bearings
  TSM 10 BB-O	10			ISB	Self-Aligning Ball Bearings
  T911	228,6	482,6	104,775	Timken	Thrust Roller Bearings
  N332E	160	340	68	FAG	CYLINDRICAL ROLLER BEARINGS
  53220U				STEYR	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  80BIA360	8.0000	13.0000	1.7500	Torrington	ANGULAR CONTACT BALL BEARINGS
  ULZ816	8	16	6	RMB	DEEP GROOVE BALL BEARINGS
  NU-1076	380	560	82	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS