d - 49.212 mm

D - 93.264 mm

T - 30.162 mm

B - 30.302 mm

C - 23.812 mm

a - 8.4 mm

r1 min. - 3.5 mm

r2 min. - 0.8 mm

Weight - 0,945 Kg

Basic dynamic load rating (C) - 102000 kN

Basic static load rating (C0) - 134000 kN

(Grease) Lubrication Speed - 3800 r/min

(Oil) Lubrication Speed - 5300 r/min

Calculation factor (e) - 0.34

Calculation factor (Y0) - 0.97

Calculation factor (Y1) - 1.8

• Model Number: 3781/3730
• Inner Diameter：49.212mm Outer Diameter：93.264mm Width：30.162mm
• Type：Tapered Roller Bearings
• Update date：2025-04-18
• Application:supporting facilities,food safety,air shower etc,medical equipment,thread processing machine,special broaching machine,leather processing,plastic blow molding,oral medical device,Storage Device,impression material
• Similar models:AST 3781/3730 FBJ 3781/3720 NTN 4T-3781/3720 NACHI 3781/3730 ISO 3781/3720 Timken 3781/3720 Timken 3781/3729D+X1S-366 CX 3781/3720
• BEARING POWER International Trading Co.,Ltd. specialize in 3781/3730 products，there is large inventory of NACHI 3781/3730 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 3781/3730 Which NACHI 3781/3730 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
  160RN30	160	225		Timken	Cylindrical Roller Bearings
  20212 KC+H212	60	110	22	ISO	Spherical Roller Bearings
  32315F	75	160	58	Fersa	Tapered Roller Bearings
  3778/3720-B	47,625	93,264	30,302	Timken	Tapered Roller Bearings
  4T-4580/4535	50,8	104,775	39,688	NTN	Tapered Roller Bearings
  67780/67720	165,1	247,65	47,625	ISO	Tapered Roller Bearings
  7209DF	45	85	19	CYSD	Angular Contact Ball Bearings
  AXK0619TN	6	19	2	Timken	Needle Roller Bearings
  E 210 /S 7CE3	10	30	9	SNFA	Angular Contact Ball Bearings
  ESFLE203	17			SNR	Bearing Units
  HK1014-2RS	10	14	14	AST	Needle Roller Bearings
  HM89444/HM89410	33,338	76,2	29,37	Timken	Tapered Roller Bearings
  HR33124J	120	200	62	NSK	Tapered Roller Bearings
  JH913848/JH913811	70	150	41,275	FBJ	Tapered Roller Bearings
  K16x22x20	16	22	20	CX	Needle Roller Bearings
  HW-21/4				NH	THRUST BALL BEARINGS
  ER-35	3.9370	2.1875	1.1875	McGill	BALL BEARING
  NUTR3072X	30	72	29	SKF	NEEDLE BEARINGS
  6212-Z	60	110	22	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  GEH-50C-2RS	50	90	56	CONSOLIDATED	SPHERICAL PLAIN BEARINGS