(dimensions in inches)

Bearing Type - single row assembly

Bore Dia (d) - 1.6880

Outer Dia (D) - 3.2700

Width (B) - 0.9375

Outer Width (Bo) - 0.7500

Inner Width (Bi) - 1.0000

Radius (min) (rs) - 0.138

Radius (min) (rs1) - 0.130

Weight (g) - 576.00

Material - 52100 chrome steel or equiavelent

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

• Model Number: 25577/25521
• Inner Diameter：42,8752mm Outer Diameter：83,058mm Width：23,8125mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:hydraulic pump,power tools,Broadcasting System,hardware,container finishing,Spectrum Products,welding equipment,Water Monitoring,water protection,Industrial,engine
• Similar models:KOYO 25577/25521 AST 25577/25521 NTN 4T-25577/25521 NACHI 25577/25520 Fersa 25577/25521 SKF 25577/2/25520/2/Q Fersa 25577/25520 ISO 25577/25522 SKF 25577/2/25523/2/Q KBC 25577/25523
• BEARING POWER International Trading Co.,Ltd. specialize in 25577/25521 products，there is large inventory of AST 25577/25521 . We has been built up long-term cooperation with AST company, could make a bulk order of the 25577/25521 Which AST 25577/25521 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
  218WNP	90	160	30	Timken	Deep Groove Ball Bearings
  28138/28300X	34,975	76,2	20,625	Timken	Tapered Roller Bearings
  2305-2RS	25	62	24	NKE	Self-Aligning Ball Bearings
  6013-Z	65	100	18	ISB	Deep Groove Ball Bearings
  6014DD	70	110	20	KBC	Deep Groove Ball Bearings
  63006-2RS C3	30	55	19	PFI	Deep Groove Ball Bearings
  7219 BECBM	170	95	32	SKF	Angular Contact Ball Bearings
  DE3605	180,000	280,000	92,000	NTN	Angular Contact Ball Bearings
  EC44208S01	45	75	20	SNR	Tapered Roller Bearings
  H-14118/H-14283	30.000	72.085	22.385	NACHI	Tapered Roller Bearings
  HSS7000-E-T-P4S	10	26	8	FAG	Angular Contact Ball Bearings
  KBK10X13X14,5	10	13	14,5	CX	Needle Roller Bearings
  NJ2892	460	580	72	CX	Cylindrical Roller Bearings
  NU1014	70	110	20	NTN	Cylindrical Roller Bearings
  ADJ-1500	1.5000	2.3750	3.0000	Heim	LINEAR RECIRCULATING BALL BEARINGS
  BK1614RS	22		14	SKF	NEEDLE BEARINGS
  300TP187				Torrington	THRUST ROLLER BEARINGS
  241/710	710	1150	438	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  6313-2RSNR	65	140	33	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  TPFY-208	2.5000			CONSOLIDATED	THERMOPLASTIC PILLOW BLOCKS