(dimensions in inches)

Bearing Type - single row assembly

Bore Dia (d) - 1.2500

Outer Dia (D) - 2.6150

Width (B) - 1.0000

Outer Width (Bo) - 0.8125

Inner Width (Bi) - 0.9983

Radius (min) (rs) - 0.031

Radius (min) (rs1) - 0.130

Weight (g) - 410.00

Material - 52100 chrome steel or equiavelent

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

• Model Number:2580/2520
• Inner Diameter：31,75mm Outer Diameter：66,421mm Width：25,4mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:boring bar boring bar,mechanical annex,tube,hardware,Hydraulic Rama,quality inspection equipment,shaft milling machine,Pneumatic Control Valves,building decoration raw materials and accessories,chemical instruments,molding machine
• Similar models:NTN 4T-12580/12520 Timken 2580/2520A Timken 2580/2530 Timken 2580/2523B Timken 2580A/2520A ISO 2580/2520 Timken 12580/12520 Timken 2580/2524YD+X2S-2580 ISO 2580/2523 NACHI 12580/12520
• BEARING POWER International Trading Co.,Ltd. specialize in 2580/2520 products，there is large inventory of AST 2580/2520 . We has been built up long-term cooperation with AST company, could make a bulk order of the 2580/2520 Which AST 2580/2520 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
  22356CC/W33	280	580	175	SKF	Spherical Roller Bearings
  2320-K-M-C3	100	215	73	FAG	Self-Aligning Ball Bearings
  3207ZZ	35	72	27	CRAFT	Angular Contact Ball Bearings
  54218U	90	135	76	NACHI	Thrust Ball Bearings
  6210-2NKE9	50	90	20	NACHI	Deep Groove Ball Bearings
  6801	12	21	5	NSK	Deep Groove Ball Bearings
  693ZZ	3	8	4	ISB	Deep Groove Ball Bearings
  712152010	32	80	21	INA	Deep Groove Ball Bearings
  7217 C-UO	85	150	56	CX	Angular Contact Ball Bearings
  BK283818	28	38	18	ISO	Cylindrical Roller Bearings
  HR30206C	30	62	17,25	NSK	Tapered Roller Bearings
  IJ223037				ILJIN	Angular Contact Ball Bearings
  NU 28/630 MA	780	630	88	SKF	Thrust Ball Bearings
  SB530	530	760	100	KOYO	Deep Groove Ball Bearings
  SCE166	25,4	31,75	9,525	INA	Needle Roller Bearings
  1016	110	80		Aetna	THRUST BALL BEARINGS
  1908HCDUL	40	62	12	Barden	ANGULAR CONTACT BALL BEARINGS
  TLAM2220	28		20	IKO	NEEDLE BEARINGS
  HK2816	35		16	INA	NEEDLE BEARINGS
  NAX1725Z	26	17		IKO	NEEDLE BEARINGS