d - 47,625 mm

D - 93,264 mm

T - 30,162 mm

B - 30,302 mm

C - 23,812 mm

ra1 max. - 3,3 mm

a - 8,3 mm

Da - 82 mm

db - 55 mm

ra max. - 6,4 mm

da - 67 mm

Db - 88 mm

Weight - 0,898 Kg

Basic dynamic load rating (C) - 102 kN

Basic static load rating (C0) - 134 kN

(Grease) Lubrication Speed - 4 000 r/min

(Oil) Lubrication Speed - 5 300 r/min

Calculation factor (e) - 0,34

Calculation factor (Y0) - 0,97

Calculation factor (Y2) - 1,77

• Model Number: 4T-3778/3720
• Inner Diameter：47,625mm Outer Diameter：93,264mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:stamping die and its equipment,wall industry,machine lathe,vertical pull,rubber products machinery and equipment,Other machinery,Rolling mill gear box,construction machinery and equipment,medical equipment,Rolling mill,ignition system
• Similar models:Timken 3778/3729D NTN 4T-3778/3720 Fersa 3778/3720 FBJ 3778/3720 CX 3778/3720 ISO 3778/3720 KOYO 3778/3730 Timken 3778/3720 Timken 3778/3720-B
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-3778/3720 products，there is large inventory of NTN 4T-3778/3720 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-3778/3720 Which NTN 4T-3778/3720 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
  1635-2Z	19,05	44,45	12,7	ZEN	Deep Groove Ball Bearings
  22318 KCW33	90	190	64	CX	Spherical Roller Bearings
  22308RHRK	40	90	33	KOYO	Spherical Roller Bearings
  240/500-B-K30-MB	500	720	218	FAG	Spherical Roller Bearings
  32214	70	125	33,25	PFI	Tapered Roller Bearings
  61800-2Z	10	19	5	SKF	Deep Groove Ball Bearings
  6315	75	160	37	ISB	Deep Groove Ball Bearings
  GE 200 DO-2RS	200	290	130	INA	Plain Bearings
  GE800-DW	800	1060	355	INA	Plain Bearings
  NP 1007	35	55		NACHI	Cylindrical Roller Bearings
  NUP 222	110	200	38	ISB	Cylindrical Roller Bearings
  NUP238R	190	340	55	KOYO	Cylindrical Roller Bearings
  UKFCX05	20			KOYO	Bearing Units
  GE69ZO2RS	2.7500	4.3750	2.4062	ELGES	SPHERICAL PLAIN BEARINGS
  TWB411	.2500	.6875		INA	THRUST NEEDLE BEARINGS
  01/02/7303	17	47	14	RIV	TAPERED ROLLER BEARINGS
  NF201E	12	32	10	SKF	CYLINDRICAL ROLLER BEARINGS
  1112F2	90	60		MRC	THRUST BALL BEARINGS
  63/28NR	28	68	18	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  4200-2RS	10	30	14	CONSOLIDATED	DEEP GROOVE BALL BEARINGS