(dimensions in inches)

Bearing Type - single row assembly

Bore Dia (d) - 2.2500

Outer Dia (D) - 3.8125

Width (B) - 0.8268

Outer Width (Bo) - 0.6250

Inner Width (Bi) - 0.8640

Radius (min) (rs) - 0.138

Radius (min) (rs1) - 0.031

Weight (g) - 598.00

Material - 52100 chrome steel or equiavelent

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

• Model Number: 387A/382A
• Inner Diameter：57,15mm Outer Diameter：96,8375mm Width：21mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:packing equipment,marine analysis and testing equipment,Spectrum Products,horizontal processing,vacuum suction cup,forklift industry,Garment Accessories,Insect Capture,wheel lathe,plant determination,Machine tool accessories
• Similar models:Timken 3878/3820 Timken 3877/3821 Timken NP626468/NP962387 Timken 53176/53387 Timken 3877A/3820 Timken 387/384ED+X2S-387 NTN 4T-387A/382S NSK 3877/3820 Timken 3387/3320-B KOYO 3877A/3821
• BEARING POWER International Trading Co.,Ltd. specialize in 387A/382A products，there is large inventory of AST 387A/382A . We has been built up long-term cooperation with AST company, could make a bulk order of the 387A/382A Which AST 387A/382A 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.

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  280RT03	280	519		Timken	Cylindrical Roller Bearings
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  333	17	52	16	KOYO	Deep Groove Ball Bearings
  6205L11-H-20DDU	25	52	15	NSK	Deep Groove Ball Bearings
  6308-2RS1	40	90	23	MPZ	Deep Groove Ball Bearings
  FL673	3	7,2	2	NTN	Deep Groove Ball Bearings
  K81102-TV	15	28	3,5	INA	Thrust Roller Bearings
  NJ409	45,000	120,000	29,000	NTN-SNR	Cylindrical Roller Bearings
  UGF204	20			NACHI	Bearing Units
  SDMK8MG	8	15		KOYO	Linear Bearings
  UCTU212+WU600	60		65.1	NACHI	Bearing Units
  AS3K	.3750	.8750	.2187	FAF	DEEP GROOVE BALL BEARINGS
  7411WNSU	55	140	33	FAF	ANGULAR CONTACT BALL BEARINGS
  4429	2.2500	3.4375		Andrews	THRUST BALL BEARINGS
  7222BEAG(Y/P)	110	200	38	SKF	ANGULAR CONTACT BALL BEARINGS
  60/1.5-ZZ	1.5	6	3	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  637-2RS	7	26	9	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  50x70x10mm	50	70	10	CONSOLIDATED	OIL SEALS