d - 241,3 mm

D - 327,025 mm

T - 52,388 mm

B - 52,388 mm

C - 36,513 mm

a - 60 mm

r min. - 6,4 mm

r1 min. - 3,2 mm

da min. - 261 mm

Da min - 299 mm

Da max. - 314 mm

db max. - 259 mm

ra max. - 6,4 mm

rb max. - 3,2 mm

Db - 309 mm

Weight - 11,2 Kg

Basic dynamic load rating (C) - 468 kN

Basic static load rating (C0) - 930 kN

Calculation factor (e) - 0,41

Calculation factor (Y0) - 0,81

Calculation factor (Y1) - 1,48

• Model Number: 8578/8520
• Inner Diameter：241,3mm Outer Diameter：327,025mm Width：52,388mm
• Type：Tapered Roller Bearings
• Update date：2025-04-19
• Application:Spectrum Products,molding machine,teaching equipment,decoration machinery,Display Devices,Liposuction device,Vertical pull,leather processing,atomizer class,gantry processing,Machine Tool Accessories
• Similar models:Timken 8578/8520CD+X2S-8578 Timken NP455350/NP857890 Timken 8578/8520B NTN T-8578/8520D+A ISO 8578/8520 CX 8578/8520 Timken NP897593/NP857890 NTN T-8578/8520 Timken 8578/8520 KOYO 8578/8520
• BEARING POWER International Trading Co.,Ltd. specialize in 8578/8520 products，there is large inventory of KOYO 8578/8520 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 8578/8520 Which KOYO 8578/8520 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
  26126/26284D	32,004	71,975	42,761	Timken	Tapered Roller Bearings
  30TAF07	30	72	19	NACHI	Thrust Ball Bearings
  30WR3429A	30	34	29	KOYO	Needle Roller Bearings
  51209	45,000	73,000	20,000	NTN-SNR	Thrust Ball Bearings
  51308	40	78	26	KOYO	Thrust Ball Bearings
  53222	110	160	40,2	NSK	Thrust Ball Bearings
  E35KRR	35	72	37,7	Timken	Deep Groove Ball Bearings
  F-216642	25,4	36,6	20	INA	Cylindrical Roller Bearings
  GRA106RRB	34,925	72	25,4	Timken	Deep Groove Ball Bearings
  HJ-283720,2RS	44,45	58,738	31,75	KOYO	Needle Roller Bearings
  KJ42X47X35.3	42,000	47,000		NTN	Needle Roller Bearings
  LRJ7/8	22,225	50,8	14,2875	RHP	Cylindrical Roller Bearings
  NA 4906 2RS	30	47	18	NBS	Needle Roller Bearings
  RAE12-NPP-FA106	12	40	28,6	INA	Deep Groove Ball Bearings
  TGB35128	30	139	68,5	SNR	Angular Contact Ball Bearings
  SX01A28LLBA1	12,705	38,092	11,112	NTN	Angular Contact Ball Bearings
  T.P.N. 740 CE	40	62		ISB	Plain Bearings
  221-SFF	105	190	36	MRC	DEEP GROOVE BALL BEARINGS
  SAR1-35SS	35	55	25	NTN	SPHERICAL PLAIN BEARINGS
  NK-22/16	30		16	CONSOLIDATED	NEEDLE BEARINGS