d - 28,575 mm

T - 25,4 mm

B - 25,357 mm

C - 20,638 mm

a - 16 mm

r min. - 2,4 mm

r1 min. - 3,2 mm

Da - 57 mm

db - 35 mm

da - 39 mm

Db - 62,5 mm

Basic dynamic load rating (C) - 71,4 kN

Basic static load rating (C0) - 85,1 kN

Calculation factor (e) - 0,27

Calculation factor (Y0) - 1,21

Calculation factor (Y1) - 2,19

• Model Number: 2578/2520
• Inner Diameter：28,575mm Outer Diameter：mm Width：25,357mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:sterilizers,Industrial Electromechanical,magnetic elements,vertical sawing machine,Broadcasting System,Grinding and polishing equipment,lifting tackle,Embroidery,Hydraulic Press,tube,office outdoor camping equipment
• Similar models:FBJ 2578/2523 KOYO 2578/2520 Timken 2578/2523-B NTN 4T-2578/2523 Timken 2578/2523-S Timken 2578/2524YD CX 2578/2523 Timken 2578/2523 ISO 2578/2523
• BEARING POWER International Trading Co.,Ltd. specialize in 2578/2520 products，there is large inventory of KOYO 2578/2520 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 2578/2520 Which KOYO 2578/2520 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.

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  NK17/20	17	25	20	Timken	Needle Roller Bearings
  R530-1	530	670	100	NSK	Cylindrical Roller Bearings
  UCT215-48	76,2			FYH	Bearing Units
  RNAO20x28x26	28		26	FAG	NEEDLE BEARINGS
  KR26C.DZ.2RS	10	26	12	FAG	NEEDLE BEARINGS
  2200TV	10	30	14	FAG	SELF
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  NJ-217	85	150	28	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NU-1920E	100	140	20	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS