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

• Model Number: 3977/3920
• Inner Diameter：60mm Outer Diameter：112,712mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:medical equipment,sewage pump,cleaning agent,electronic components,fabric products,security equipment,Wire grinder,static control,vacuum filter,Workpiece,mathematical instruments
• Similar models:Timken 3977/3920 Timken 3977X/3921XA Timken 3977X/3920 ISO 3977/3920 KOYO 3977/3925 CX 3977/3920 Timken 3977/3920-B Timken 3977/3925
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  20208-K-TVP-C3 + H208	35	80	18	FAG	Spherical Roller Bearings
  202KDD	15	35	11	Timken	Deep Groove Ball Bearings
  23120 K	100	165	52	ISB	Spherical Roller Bearings
  4205 ATN9	25	52	18	ISB	Deep Groove Ball Bearings
  3480/3420	35		29,771	KOYO	Tapered Roller Bearings
  41106/41286-B	26,987	72,626	24,257	Timken	Tapered Roller Bearings
  54209 + U209	35	78	45	FAG	Thrust Ball Bearings
  543085/543114	215,9	290,01	31,75	NTN	Tapered Roller Bearings
  61919	95	130	18	ISB	Deep Groove Ball Bearings
  6307FT150ZZ	35,000	80,000	21,000	SNR	Deep Groove Ball Bearings
  7021CPA	105	160	26	KOYO	Angular Contact Ball Bearings
  GE20-PW	20	40	25	INA	Plain Bearings
  SL182209	45	85	23	INA	Cylindrical Roller Bearings
  VKBA 3526				SKF	Wheel Bearings
  NCF18/500V	500	620	56	FAG	CYLINDRICAL ROLLER BEARINGS
  TAF9011035	110		35	IKO	NEEDLE BEARINGS
  51230				RHP	THRUST BALL BEARINGS
  QJM5	5.0000	10.0000	2.0000	RHP	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  KG200CPO	20.0000	22.0000	1.0000	KAYDON	DEEP GROOVE BALL BEARINGS
  FPXF408	4.5000	6.0000	.7500	SKF	FOUR POINT ANGULAR CONTACT BALL BEARINGS