d - 57.15 mm

D - 112.712 mm

T - 30.162 mm

B - 30.048 mm

C - 23.812 mm

a - 26 mm

r1 min. - 3.5 mm

r2 min. - 3.5 mm

r3 min. - 3.3 mm

r4 min. - 3.3 mm

Weight - 1.376 Kg

Basic dynamic load rating (C) - 118 kN

Basic static load rating (C0) - 173 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

Calculation factor (e) - 0.4

Calculation factor (Y) - 1.5

Calculation factor (Y0) - 0.82

• Model Number:3979/3920
• Inner Diameter：57.15mm Outer Diameter：112.712mm Width：30.162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:dye pigments,medical equipment,garbage disposal,cleaning agent,flow control valve,construction machinery and equipment,clean stationery,Oral Equipment,office equipment,Machine Tool Accessories,magnetic elements
• Similar models:KOYO 3979/3920 Timken 3979/3920-B KBC 3979/3920 Fersa 3979/3920 FBJ 3979/3920 CX 3979/3920 ISO 3979/3920 Timken NP113979/NP693852 NTN 4T-3979/3920 Timken 3979/3920
• BEARING POWER International Trading Co.,Ltd. specialize in 3979/3920 products，there is large inventory of KBC 3979/3920 . We has been built up long-term cooperation with KBC company, could make a bulk order of the 3979/3920 Which KBC 3979/3920 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
  23256R	280	500	176	KOYO	Spherical Roller Bearings
  4T-33891/33821	52,388	95,25	28,575	NTN	Tapered Roller Bearings
  60/28VV	28	52	12	NSK	Deep Groove Ball Bearings
  60BNR10X	60	95	18	NSK	Angular Contact Ball Bearings
  626-2RSH	19	6	6	SKF	Deep Groove Ball Bearings
  6307FT150	35,000	80,000	21,000	SNR	Deep Groove Ball Bearings
  7905CTRSU	25	42	9	NSK	Angular Contact Ball Bearings
  AST850SM 105100	105	110		AST	Plain Bearings
  CR-3105DB	154	210	90	NTN	Tapered Roller Bearings
  CX366				CX	Wheel Bearings
  ML6010	6	10	2,5	KOYO	Deep Groove Ball Bearings
  NA 4903U	20	37	18	IKO	Needle Roller Bearings
  SS 6009	45	75	16	ISB	Deep Groove Ball Bearings
  240520	1.5000	2.1250	1.2500	BAL	JOURNAL ROLLER ASSEMBLIES
  C203HCUL	17	40	12	Barden	ANGULAR CONTACT BALL BEARINGS
  7214B.U(A/O)	70	125	24	FAG	ANGULAR CONTACT BALL BEARINGS
  AH2356	280	260		STEYR	WITHDRAWAL SLEEVES
  200448	1.2500	1.7500	3.0000	Rollway	JOURNAL ROLLER ASSEMBLIES
  BK-3038	37		38	CONSOLIDATED	NEEDLE BEARINGS
  H-2344x200	220	280		CONSOLIDATED	ADAPTERS