d - 49,212 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 - 56 mm

ra max. - 3,5 mm

da - 62 mm

Db - 88 mm

Weight - 0,877 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-3781/3720
• Inner Diameter：49,212mm Outer Diameter：93,264mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-04-24
• Application:Spectrum Products,Broadcasting System,sawing machine,spectrometer,motor,Garment Accessories,power source,hinge industry,Medical room equipment,tower crane,welding equipment
• Similar models:NTN 4T-3781/3720 CX 3781/3720 Timken 3781/3729D+X1S-366 AST 3781/3730 ISO 3781/3720 FBJ 3781/3720 Timken 3781/3720 NACHI 3781/3730
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-3781/3720 products，there is large inventory of NTN 4T-3781/3720 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-3781/3720 Which NTN 4T-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
  1009	45	95	47	INA	Thrust Ball Bearings
  16012-2RS	60	95	11	ZEN	Deep Groove Ball Bearings
  16009	45,000	75,000	10,000	NTN-SNR	Deep Groove Ball Bearings
  22328 KCW33+H2328	140	300	102	ISO	Spherical Roller Bearings
  323/22CR	22	56	22,25	KOYO	Tapered Roller Bearings
  3NCHAC019C	95	145	24	KOYO	Angular Contact Ball Bearings
  4T-JM714249/JM714210	75	120	31	NTN	Tapered Roller Bearings
  60BTR10S	60	95	16,5	NSK	Angular Contact Ball Bearings
  6910ZZ	50	72	12	NSK	Deep Groove Ball Bearings
  7009 CDB	45	75	32	ISO	Angular Contact Ball Bearings
  GE70ES-2RS	70	105		AST	Plain Bearings
  K18x24x13	18	24		SKF	Needle Roller Bearings
  NAO-10×22×20ZW	10	18	20	NTN	Needle Roller Bearings
  UCFLE202	15			SNR	Bearing Units
  NAB-55	67		22	FAG	NEEDLE BEARINGS
  22324EAS.MA.C4.T41A	120	260	86	FAG	SPHERICAL ROLLER BEARINGS
  51134				STEYR	THRUST BALL BEARINGS
  6220-RS	180	100	34	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  6312-RS	60	130	31	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  RNAO-50x65x40	65		40	CONSOLIDATED	NEEDLE BEARINGS