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：2025-12-11
• Application:Gripper Swing,ignition system,root canal filling,medical equipment,lifting upgrade,packaging machinery,Medical equipment,DC generators,Infrared Technology,ventilation equipment,Medical printer
• Similar models:KOYO 2578/2520 NTN 4T-2578/2523 Timken 2578/2523-B Timken 2578/2524YD Timken 2578/2523 ISO 2578/2523 Timken 2578/2523-S CX 2578/2523 FBJ 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  24188EK30	440	720	280	NACHI	Cylindrical Roller Bearings
  3578/3525	44.450	87.312	30.162	NACHI	Tapered Roller Bearings
  53216 + U 216	115	80	29,5	SKF	Thrust Ball Bearings
  AR 10 75 100,4	75	100	10	KOYO	Needle Roller Bearings
  ASTB90 F26560	265	270		AST	Plain Bearings
  FNTK-5072	50	72	3,85	KOYO	Needle Roller Bearings
  GAC 50 CP	50	80	20	ISB	Plain Bearings
  HI-CAP TR0708-1	35	80	32,75	KOYO	Tapered Roller Bearings
  HSS7015-C-T-P4S	75	115	20	FAG	Angular Contact Ball Bearings
  NNF5018PP	90	140	67	ZEN	Cylindrical Roller Bearings
  NUP2032	160	240	48	CX	Cylindrical Roller Bearings
  NUP315	75	160	37	NTN	Cylindrical Roller Bearings
  QJM 1	25,4	63,5	19,05	SIGMA	Angular Contact Ball Bearings
  UK210+H-26	41,275	90	55	SNR	Deep Groove Ball Bearings
  UKF205	20			KOYO	Bearing Units
  LS6590	65	90		INA	THRUST NEEDLE BEARINGS
  NF203E	17	40	12	SKF	CYLINDRICAL ROLLER BEARINGS
  XWX152802.75	15	28		SKF (Old No.)	THRUST NEEDLE BEARINGS
  6211-2RSNR	100	.235	21	STEYR	DEEP GROOVE BALL BEARINGS
  XLS-27/8	2.8750	4.5000	.7500	CONSOLIDATED	DEEP GROOVE BALL BEARINGS