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：2025-04-22
• Application:key lock,plastic rolling,medical equipment,orthodontic material,Water Monitoring,hydraulic pump,screen filter,food packaging,respirator,food add,Rolling mill gear box
• Similar models:Timken 3977/3925 Timken 3977X/3921XA Timken 3977/3920 CX 3977/3920 Timken 3977/3920-B Timken 3977X/3920 ISO 3977/3920 KOYO 3977/3925
• 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
  2316K+H2316	80	170	58	ISO	Self-Aligning Ball Bearings
  23024-E1A-M	120	180	46	FAG	Spherical Roller Bearings
  6810ZENR	50	65	7	NACHI	Deep Groove Ball Bearings
  5412	60	150	66,68	SIGMA	Angular Contact Ball Bearings
  54409U	45	100	86	NACHI	Thrust Ball Bearings
  7208T2G/GNP4	40	80	18	NTN	Angular Contact Ball Bearings
  7320B	100	215	47	NTN	Angular Contact Ball Bearings
  AST090 9035	90	95		AST	Plain Bearings
  RS-4826E4	130	165	35	NSK	Cylindrical Roller Bearings
  NU 2219	95	170	43	ISB	Cylindrical Roller Bearings
  R18	28,575	53,975	9,525	CYSD	Deep Groove Ball Bearings
  W 6210	90	50	20	SKF	Deep Groove Ball Bearings
  SCE610PP	9,525	14,288	15,875	INA	Needle Roller Bearings
  UC209	45,000	85,000	49,2	NTN-SNR	Deep Groove Ball Bearings
  MMRJN41/2E	4.5000	9.3750	2.0000	R&M	CYLINDRICAL ROLLER BEARINGS
  SSL-1280	8	12	2.5	NMB	DEEP GROOVE BALL BEARINGS
  22312	60	130	46	Torrington	SPHERICAL ROLLER BEARINGS
  6011.2Z	55	90	18	SKF	DEEP GROOVE BALL BEARINGS
  22232	160	290	80	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  SI25C	25		20	CONSOLIDATED	ROD ENDS