d - 241,3 mm

D - 327,025 mm

T - 52,388 mm

B - 52,388 mm

C - 36,512 mm

R - 6,3 mm

r - 3,3 mm

a - 7,6 mm

Da - 313 mm

db - 264 mm

da - 253 mm

Db - 305 mm

Aa - 7 mm

Ab - 2,2 mm

Weight - 11,12 Kg

Basic static load rating (C0) - 1070 kN

Factor (G1) - 1050,5

Factor (G2) - 172,4

Factor (Cg) - 0,0406

Factor (K) - 1,44

Basic dynamic load rating (C90) - 134

Basic dynamic load rating (Ca90) - 93,3

Basic dynamic load rating (C1) - 517 kN

Calculation factor (e) - 0,41

Calculation factor (Y) - 1,48

• Model Number:8578/8520
• Inner Diameter：241,3mm Outer Diameter：327,025mm Width：52,388mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:stacker lift platform,Chromatography Products,stamping die and its equipment,Sensors,switch,Other machinery,other processing,other rubber,milling head plug,hook,Generator
• Similar models:Timken 8578/8520CD+X2S-8578 Timken 8578/8520 KOYO 8578/8520 NTN T-8578/8520D+A Timken NP455350/NP857890 Timken 8578/8520B ISO 8578/8520 CX 8578/8520 Timken NP897593/NP857890 NTN T-8578/8520
• BEARING POWER International Trading Co.,Ltd. specialize in 8578/8520 products，there is large inventory of Timken 8578/8520 . We has been built up long-term cooperation with Timken company, could make a bulk order of the 8578/8520 Which Timken 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
  22312-E-K-W33	60	130	46	NKE	Spherical Roller Bearings
  50BNR20HV1V	50	80	19	NSK	Angular Contact Ball Bearings
  54310+U310	40	95	64,7	NKE	Thrust Ball Bearings
  54413	68	140	109,4	ISO	Thrust Ball Bearings
  6000EE	10,000	26,000	8,000	SNR	Deep Groove Ball Bearings
  605HZZ	5	14	5	AST	Deep Groove Ball Bearings
  7018 A-UO	90	140	48	CX	Angular Contact Ball Bearings
  IJ123050				ILJIN	Angular Contact Ball Bearings
  GE340-DW	340	460	160	INA	Plain Bearings
  GEF12ES	12	22	11	LS	Plain Bearings
  GLP 5032			32	NBS	Needle Roller Bearings
  SB205	25	52	27	CX	Deep Groove Ball Bearings
  TLAM 2526	25	32	26	IKO	Needle Roller Bearings
  MM50BS100	50	100	20	FAF	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS
  R10.2RS	.6250	1.3750	.3437	FAG	DEEP GROOVE BALL BEARINGS
  J321232	1.0000	1.3750	1.0000	Bower	JOURNAL ROLLER ASSEMBLIES
  GE-50UK-2RS	50	75	35	INA	SPHERICAL PLAIN BEARINGS
  STO15	15	35	12	Torrington	NEEDLE BEARINGS
  RS-5030NR	150	225	100	NSK	CYLINDRICAL ROLLER BEARINGS
  SS6209-ZZ	45	85	19	CONSOLIDATED	DEEP GROOVE BALL BEARINGS