d - 241,3 mm

D - 327,025 mm

T - 52,388 mm

B - 52,388 mm

C - 36,512 mm

R - 6,4 mm

r - 3,3 mm

a - 59,6 mm

Da - 304 mm

db - 250 mm

da - 267 mm

Db - 317 mm

Weight - 11,4 Kg

Basic dynamic load rating (C) - 470 kN

Basic static load rating (C0) - 940 kN

Calculation factor (e) - 0,41

Calculation factor (Y0) - 0,81

Calculation factor (Y1) - 1,5

• Model Number:8578/8520
• Inner Diameter：241,3mm Outer Diameter：327,025mm Width：52,388mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-11
• Application:sheet industry,surgical instruments,transistor fittings,X-ray Equipment,medical equipment,dye pigments,pneumatic Pump,spreader series,Special Equipment,Pneumatic Actuator,glass processing machine
• Similar models:NSK 8578/8520
• BEARING POWER International Trading Co.,Ltd. specialize in 8578/8520 products，there is large inventory of NSK 8578/8520 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 8578/8520 Which NSK 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
  1306K+H306	25	72	31	CRAFT	Self-Aligning Ball Bearings
  2320-K-M-C3	100	215	73	FAG	Self-Aligning Ball Bearings
  26878/26822	38,1	79,375	23,812	ISO	Tapered Roller Bearings
  440536	25	68	19	SKF	Deep Groove Ball Bearings
  62304-2RS1	52	20	21	SKF	Deep Groove Ball Bearings
  DCL118	17,462	22,225	12,7	NTN	Needle Roller Bearings
  MR93ZZ	3	9	4	FBJ	Deep Groove Ball Bearings
  N410	50	130	31	CYSD	Cylindrical Roller Bearings
  NK43/20	43	53	20	JNS	Needle Roller Bearings
  NK55/25	55	68	25	KOYO	Needle Roller Bearings
  NKXR40	40	52	32	INA	Complex Bearings
  RNA6909R	52	68	40	NTN	Needle Roller Bearings
  SF5206	260,000	369,500	46,000	NTN	Angular Contact Ball Bearings
  SI 30 ES	30	47	22	ISB	Plain Bearings
  SYJ 35 KF	30	35	46	SKF	Bearing Units
  T911	228,6	482,6	104,775	Timken	Thrust Roller Bearings
  QJ226	130	230	40	FAG	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  477206	30	62	16	New Departure	DEEP GROOVE BALL BEARINGS
  115RIN511	11.5000	18.0000	2.3750	Torrington	CYLINDRICAL ROLLER BEARINGS
  61901-2RS	12	24	6	CONSOLIDATED	DEEP GROOVE BALL BEARINGS