(dimensions in inches)

Bearing Type - single row assembly

Bore Dia (d) - 1.3750

Outer Dia (D) - 3.3750

Width (B) - 1.1875

Outer Width (Bo) - 0.9375

Inner Width (Bi) - 1.1875

Radius (min) (rs) - 0.138

Radius (min) (rs1) - 0.130

Weight (g) - 1,045.00

Material - 52100 chrome steel or equiavelent

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

• Model Number: 3872/3820
• Inner Diameter：34,925mm Outer Diameter：85,725mm Width：30,1625mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:marine analysis,plastic molding,sheet industry,lathe,Wire grinder,hydraulic pump,axle lathe,linear drive,Spectrum Products,floor industry,knitted fabrics
• Similar models:KOYO 3872/3821 ISO 3872/3820 NTN 4T-3872/3820 KOYO 3872A/3820 Timken 3872/3820 AST 3872/3820 CX 3872/3820 Timken 3872/3821 FBJ 3872/3820 Timken 3872A/3820
• BEARING POWER International Trading Co.,Ltd. specialize in 3872/3820 products，there is large inventory of AST 3872/3820 . We has been built up long-term cooperation with AST company, could make a bulk order of the 3872/3820 Which AST 3872/3820 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
  2302	15	42	17	ISB	Self-Aligning Ball Bearings
  308WG	40	90	23	Timken	Deep Groove Ball Bearings
  623-2RS1	10	3	4	SKF	Deep Groove Ball Bearings
  6914	70	100	16	FBJ	Deep Groove Ball Bearings
  7010HVUJ74	50	80	16	SNR	Angular Contact Ball Bearings
  89310	50,000	95,000	27,000	NTN	Thrust Ball Bearings
  H715334/11	61,912	136,525	46,038	CX	Tapered Roller Bearings
  KJ34X39X27.3	34,000	39,000		NTN	Needle Roller Bearings
  LM665949D/LM665910/LM665910D	385,762	514,35	317,5	NTN	Tapered Roller Bearings
  K 8x11x8 TN	11	8	8	SKF	Cylindrical Roller Bearings
  NP851626/NP194962	25,4	50,292	14,224	Timken	Tapered Roller Bearings
  NU204	20	47	14	FBJ	Cylindrical Roller Bearings
  RSL182238-A	190	310,68	92	INA	Cylindrical Roller Bearings
  WJ-202612	31.750	41.275		KOYO	Needle Roller Bearings
  UCIP315-48	76,2		82	KOYO	Bearing Units
  7136-KR	180	280	46	MRC	ANGULAR CONTACT BALL BEARINGS
  SN524	110		120	SKF	PILLOW BLOCKS
  MJ-11/4-2RS	1.2500	3.1250	.8750	RHP	DEEP GROOVE BALL BEARINGS
  6300.2RS	10	35	11	SKF	DEEP GROOVE BALL BEARINGS
  1023	115	240	119	CONSOLIDATED	THRUST BALL BEARINGS