(dimensions in inches)

Bearing Type - single row assembly

Bore Dia (d) - 1.9375

Outer Dia (D) - 3.6718

Width (B) - 1.1875

Outer Width (Bo) - 0.9375

Inner Width (Bi) - 1.1930

Radius (min) (rs) - 0.138

Radius (min) (rs1) - 0.031

Weight (g) - 833.00

Material - 52100 chrome steel or equiavelent

The assembly part number lists the cone part number first and then the cup part number.

• Model Number:3781/3730
• Inner Diameter：49,2125mm Outer Diameter：93,26372mm Width：30,1625mm
• Type：Tapered Roller Bearings
• Update date：2023-03-16
• Application:Forklift industry,fabric products,van,industrial skin care,miscellaneous instruments,Grinding and polishing equipment,Polymer,packaging machinery,tooth filling,Pneumatic Control Valves,car and accessories
• Similar models:Timken 3781/3729D+X1S-366 NTN 4T-3781/3720 CX 3781/3720 Timken 3781/3720 FBJ 3781/3720 AST 3781/3730 NACHI 3781/3730 ISO 3781/3720
• BEARING POWER International Trading Co.,Ltd. specialize in 3781/3730 products，there is large inventory of AST 3781/3730 . We has been built up long-term cooperation with AST company, could make a bulk order of the 3781/3730 Which AST 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
  180KBE030+L	180	280	93	NSK	Tapered Roller Bearings
  22309 KCW33+AH2309	45	100	36	CX	Spherical Roller Bearings
  314	150	70	35	SKF	Deep Groove Ball Bearings
  32976	380	520	87	NSK	Tapered Roller Bearings
  6805ZZNR	25,000	37,000	7,000	NTN	Deep Groove Ball Bearings
  CX680				CX	Wheel Bearings
  GAKL 20 PB	20	40	25	INA	Plain Bearings
  KBK11X15X12.3	11,000	15,000		NTN	Needle Roller Bearings
  NA2130	130	170	34	KOYO	Needle Roller Bearings
  NSA04002	26,995	40	25,5	NSK	Needle Roller Bearings
  NU1064	320	480	74	CX	Cylindrical Roller Bearings
  S6300-2RS	10	35	11	ZEN	Deep Groove Ball Bearings
  NU2310E	50	110	40	FAG	CYLINDRICAL ROLLER BEARINGS
  6412NR	60	150	35	FAG	DEEP GROOVE BALL BEARINGS
  R120LL	20	47	14	NH	CYLINDRICAL ROLLER BEARINGS
  C2209V	45	85	23	SKF	TOROIDAL ROLLER BEARINGS
  JU047CPO	4.7500	5.5000	.5000	KAYDON	DEEP GROOVE BALL BEARINGS
  J241680	.7500	1.2500	2.5000	Bower	JOURNAL ROLLER ASSEMBLIES
  7019CDHCP4A	95	145	24	SKF	ANGULAR CONTACT BALL BEARINGS
  STO40DZ	40	80	20	Torrington	NEEDLE BEARINGS