d - 49,212 mm

D - 93,264 mm

T - 30,162 mm

B - 30,302 mm

C - 23,812 mm

Weight - 0,877 Kg

Basic dynamic load rating (C) - 102 kN

Basic static load rating (C0) - 134 kN

(Grease) Lubrication Speed - 4000 r/min

(Oil) Lubrication Speed - 5300 r/min

• Model Number: 3781/3720
• Inner Diameter：49,212mm Outer Diameter：93,264mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:Power equipment,trolley,Material handling equipment,medical equipment,transistor fittings,Seals,office outdoor camping equipment,wall materials,dynamic blood pressure,rolling mill roll neck and slowdown device,lifting upgrade
• Similar models:CX 3781/3720 AST 3781/3730 NTN 4T-3781/3720 FBJ 3781/3720 NACHI 3781/3730 ISO 3781/3720 Timken 3781/3729D+X1S-366 Timken 3781/3720
• BEARING POWER International Trading Co.,Ltd. specialize in 3781/3720 products，there is large inventory of FBJ 3781/3720 . We has been built up long-term cooperation with FBJ company, could make a bulk order of the 3781/3720 Which FBJ 3781/3720 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
  1318K	90	190	43	KOYO	Self-Aligning Ball Bearings
  22208CW33	40	80	23	CRAFT	Spherical Roller Bearings
  61826-2RS	130	165	18	ZEN	Deep Groove Ball Bearings
  61913	65	90	13	FAG	Deep Groove Ball Bearings
  70KBE03	70	150	67	NACHI	Tapered Roller Bearings
  HRT18E	18		18	NMB	Plain Bearings
  K28x35x27	28	35	27	ISO	Needle Roller Bearings
  K81140M	200	250	206	SKF	Thrust Roller Bearings
  MF-5520	55	63	20	NSK	Needle Roller Bearings
  QJ226-N2-MPA	130	230	40	NKE	Angular Contact Ball Bearings
  UCFC207-23	36,5125			KOYO	Bearing Units
  SFR188	6,35	12,7	3,175	AST	Deep Groove Ball Bearings
  VKBA 3540				SKF	Wheel Bearings
  XLS76K2	120,65	165,1	22,23	Timken	Deep Groove Ball Bearings
  NUP309E	45	100	25	FAG	CYLINDRICAL ROLLER BEARINGS
  NAB-18	26		13	SKF	NEEDLE BEARINGS
  1208F	40	80	18	FED	DEEP GROOVE BALL BEARINGS
  22BK	105	225	49	RIV	DEEP GROOVE BALL BEARINGS
  FT-11/8	1.1250	1.7500		RHP	THRUST BALL BEARINGS
  NM20	2.5000	5.5000	1.2500	STEYR	CYLINDRICAL ROLLER BEARINGS