d - 25.4 mm

D - 57.15 mm

T - 17.462 mm

B - 17.462 mm

C - 13.495 mm

a - 12.6 mm

r1 min. - 1.3 mm

r2 min. - 1.3 mm

r3 min. - 1.5 mm

r4 min. - 1.5 mm

Weight - 0.221 Kg

Basic dynamic load rating (C) - 39,5 kN

Basic static load rating (C0) - 45,5 kN

(Grease) Lubrication Speed - 6700 r/min

(Oil) Lubrication Speed - 9000 r/min

Calculation factor (e) - 0.35

Calculation factor (Y) - 1.7

Calculation factor (Y0) - 0.95

• Model Number:15578/15520
• Inner Diameter：25.4mm Outer Diameter：57.15mm Width：17.462mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:tapping machine,Gear grinding machine,electromagnet,coal,orthodontic material,EEG,medical equipment,Pest Monitoring,Beauty and Body,metal mold,gantry processing
• Similar models:Fersa 15578/15520 Timken 15578/15520-B SKF 15578/15520 KOYO 15578/15520 FAG K15578-15520 ISO 15578/15523 NTN 4T-15578/15520 ISB 15578/15520 NSK 15578/15520 PFI 15578/20
• BEARING POWER International Trading Co.,Ltd. specialize in 15578/15520 products，there is large inventory of KBC 15578/15520 . We has been built up long-term cooperation with KBC company, could make a bulk order of the 15578/15520 Which KBC 15578/15520 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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  NA 6907U	35	55	37	IKO	Needle Roller Bearings
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