d - 44,45 mm

D - 84,138 mm

T - 30,162 mm

B - 30,886 mm

C - 23,812 mm

a - 20,5 mm

r min. - 3,6 mm

r2 min. - 3,2 mm

da min. - 57 mm

Da - 74 mm

db min - 51 mm

ra max. - 3,6 mm

rb max. - 3,2 mm

Db - 79,5 mm

Weight - 0,7 Kg

Basic dynamic load rating (C) - 95,8 kN

Basic static load rating (C0) - 120 kN

(Grease) Lubrication Speed - 4600 r/min

(Oil) Lubrication Speed - 6200 r/min

Calculation factor (e) - 0,31

Calculation factor (Y0) - 1,08

Calculation factor (Y1) - 1,96

• Model Number: 3578R/3520
• Inner Diameter：44,45mm Outer Diameter：84,138mm Width：30,162mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:extruder,Infrared Technology,Water Monitoring,sleep monitoring,directional control valve,bio-chemical,security,extruder,universal category,rolling mill roll neck and slowdown device,lifting chain
• Similar models:FBJ 3578/3526 ISO 3578/3526 FBJ 3578/3525 ISO 3578/3520 CX 3578/3520 Fersa 3578/3520 NTN 4T-3578/3525 Timken 3578/3520 CX 3578/3525 Timken 3578/3526
• BEARING POWER International Trading Co.,Ltd. specialize in 3578R/3520 products，there is large inventory of KOYO 3578R/3520 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 3578R/3520 Which KOYO 3578R/3520 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.

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