d - 42,862 mm

D - 82,931 mm

T - 23,812 mm

B - 25,4 mm

C - 19,05 mm

ra1 max. - 0,8 mm

a - 17,6 mm

r min. - 2,3 mm

r1 min. - 0,8 mm

Da - 74 mm

db - 49,5 mm

ra max. - 2,3 mm

da - 53 mm

Db - 77 mm

Weight - 0,586 Kg

Basic dynamic load rating (C) - 76,5 kN

Basic static load rating (C0) - 99 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6000 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 0,99

Calculation factor (Y1) - 1,8

• Model Number:25578/25520
• Inner Diameter：42,862mm Outer Diameter：82,931mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2023-03-09
• Application:pressure control valve,hinge industry,Rolling mill gear box,stirrer,physical instruments,Machine Tool Accessories,gas turbine,Spectrum Products,lifting upgrade,chamfer,Other machinery
• Similar models:FBJ 25578/25520 Timken 25578/25520D+X1S-25578 NTN 4T-25578/25520 CX 25578/25520 ISO 25578/25520 Fersa 25578/25521 KOYO 25578/25523 Timken 25578/25523 Timken 25578/25522 NSK 25578/25520
• BEARING POWER International Trading Co.,Ltd. specialize in 25578/25520 products，there is large inventory of NSK 25578/25520 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 25578/25520 Which NSK 25578/25520 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
  16004-2RS	20	42	8	ZEN	Deep Groove Ball Bearings
  23980 KCW33+AH3980	400	540	106	ISO	Spherical Roller Bearings
  25880/25820	36,487	73,025	23,812	Fersa	Tapered Roller Bearings
  6307YA-2RSN-1R	32	80	23	CJB	Deep Groove Ball Bearings
  6912-2RS	60	85	13	CYSD	Deep Groove Ball Bearings
  9278R/9220	68,262		46,038	KOYO	Tapered Roller Bearings
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  GEG 63 ES	95	63	63	SKF	Plain Bearings
  GEWZ12ES	12,7	22,225	19,05	LS	Plain Bearings
  MUCFL206	30			NACHI	Bearing Units
  NN3172	360	600	192	ISO	Cylindrical Roller Bearings
  NNC4928 V	140	190	50	ISO	Cylindrical Roller Bearings
  UCX15	75	140	82,6	FYH	Deep Groove Ball Bearings
  SI5E	5			LS	Plain Bearings
  CFE36PP			1.2500	INA	NEEDLE BEARINGS
  6305YC78	25	62	17	SKF	DEEP GROOVE BALL BEARINGS
  32213J2	65	120	31	SKF	TAPERED ROLLER BEARINGS
  2208EK/2RS1/TG	40	80	23	STEYR	SELF
  75RIF344	7.5000	14.5000	2.7500	Torrington	CYLINDRICAL ROLLER BEARINGS
  95316	.7500	1.3750	1.0000	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES