d - 49,987 mm

D - 92,075 mm

T - 24,608 mm

B - 25,4 mm

C - 19,845 mm

a - 19,9 mm

r min. - 2,4 mm

r2 min. - 0,8 mm

da min. - 60 mm

Da - 83 mm

db min - 56 mm

ra max. - 2,4 mm

rb max. - 0,8 mm

Db - 87 mm

Weight - 0,71 Kg

Basic dynamic load rating (C) - 84,8 kN

Basic static load rating (C0) - 119 kN

(Grease) Lubrication Speed - 4200 r/min

(Oil) Lubrication Speed - 5600 r/min

Calculation factor (e) - 0,38

Calculation factor (Y0) - 0,87

Calculation factor (Y1) - 1,59

• Model Number:28579R/28521
• Inner Diameter：49,987mm Outer Diameter：92,075mm Width：24,608mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:Polymer,coal,wall industry,Beauty and Body,electronic materials,manual Tools,medical equipment,supporting facilities,joint protection,coal mill,rolling mill roll neck and slowdown device
• Similar models:FBJ 28579/28520 ISO 28579/28521 Timken 28579/28521B CX 28579/28520 KOYO 28579R/28521 CX 28579/28521 Fersa 28579/28520 NTN 4T-28579/28521 FBJ 28579/28521 Timken 28579/28521
• BEARING POWER International Trading Co.,Ltd. specialize in 28579R/28521 products，there is large inventory of KOYO 28579R/28521 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 28579R/28521 Which KOYO 28579R/28521 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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