d - 60 mm

D - 112,712 mm

T - 30,162 mm

B - 30,048 mm

C - 23,812 mm

a - 4,6 mm

Weight - 1,3 Kg

Basic dynamic load rating (C) - 129 kN

Basic static load rating (C0) - 191 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

• Model Number: 3977/3920
• Inner Diameter：60mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:pump industry,roller lathe,aerial work equipment,gear type,Gear grinding machine,labor insurance,Broadcasting System,filter paper products,rock drilling machinery,spreader series,coal mill
• Similar models:Timken 3977X/3920 ISO 3977/3920 Timken 3977X/3921XA Timken 3977/3925 CX 3977/3920 KOYO 3977/3925 Timken 3977/3920 Timken 3977/3920-B
• BEARING POWER International Trading Co.,Ltd. specialize in 3977/3920 products，there is large inventory of CX 3977/3920 . We has been built up long-term cooperation with CX company, could make a bulk order of the 3977/3920 Which CX 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
  150KBE131	150	250	71	NACHI	Tapered Roller Bearings
  22324 VA	120	260	86	ISB	Spherical Roller Bearings
  6326 M	280	130	58	SKF	Deep Groove Ball Bearings
  687	7	14	3,5	NSK	Deep Groove Ball Bearings
  78255D/78537+Y1S-78537	64,987	136,525	66,091	Timken	Tapered Roller Bearings
  811/850 M	1000	850	120	SKF	Thrust Roller Bearings
  E-4R10008	500	710	480	NTN	Cylindrical Roller Bearings
  E2.YET 204	47	20	31	SKF	Deep Groove Ball Bearings
  HK5520	55	63	20	INA	Needle Roller Bearings
  HR30216J	80	140	28,25	NSK	Tapered Roller Bearings
  KT 455017	45	50		IKO	Needle Roller Bearings
  NP202	15	35	11	ISO	Cylindrical Roller Bearings
  NU38/670	670,000	820,000	112,000	NTN	Cylindrical Roller Bearings
  QJ224-N2-MPA	120	215	40	NKE	Angular Contact Ball Bearings
  SI60ET-2RS	60		44	AST	Plain Bearings
  WR6-2Z	9,525	22,225	9,525	ZEN	Deep Groove Ball Bearings
  206NPPG	62	.203	16	FAF	DEEP GROOVE BALL BEARINGS
  FX3/16	.1875	.3750	.1250	SKF	DEEP GROOVE BALL BEARINGS
  512/630				CONSOLIDATED	THRUST BALL BEARINGS
  6218TP/5	90	160	30	CONSOLIDATED	DEEP GROOVE BALL BEARINGS