(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：2025-11-27
• Application:plastic molding,medical equipment,switch,industry test,cooling system,Film machine,other CNC,oral medical device,steam Hydraulic control element,rubber products machinery and equipment,stamping die and its equipment
• Similar models:CX 25577/25520 KBC 25577/25523 SKF 25577/2/25520/2/Q NACHI 25577/25523 NACHI 25577/25520 SKF 25577/2/25523/2/Q Timken 25577/25518 Fersa 25577/25522 NTN 4T-25577/25522 NTN 4T-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
  29484	420	730	185	NTN	Thrust Roller Bearings
  32221	105	190	53	ISB	Tapered Roller Bearings
  54408U	40	90	77	NSK	Thrust Ball Bearings
  55TAB10	55	100	20	NACHI	Thrust Ball Bearings
  608ZZ	8	22	7	CRAFT	Deep Groove Ball Bearings
  686-2TS4,5	6	13	4,5	ZEN	Deep Groove Ball Bearings
  7060 B-UD	300	460	148	CX	Angular Contact Ball Bearings
  7210 C-UX	50	90	40	CX	Angular Contact Ball Bearings
  75BER19H	75	105	16	NSK	Angular Contact Ball Bearings
  9156K	280	420	65	Timken	Deep Groove Ball Bearings
  BA 88 Z	12,7	17,462	12,7	IKO	Needle Roller Bearings
  DL 20 12	20	26	12	Timken	Needle Roller Bearings
  GEZ292ES	292,1	438,15	219,075	LS	Plain Bearings
  NA4913	65	90	25	CX	Needle Roller Bearings
  NA6918	90	125	63	ISO	Needle Roller Bearings
  NNCL4960CV	300	420	118	SKF	Cylindrical Roller Bearings
  RN8005	400,000	500,000	46,000	NTN	Cylindrical Roller Bearings
  SQ208-102		80		AST	Deep Groove Ball Bearings
  UC203	17	47	16	SNR	Deep Groove Ball Bearings
  NJ2322	110	240	80	FAG	CYLINDRICAL ROLLER BEARINGS