d - 53,975 mm

D - 123,825 mm

T - 38,1 mm

B - 36,678 mm

C - 30,162 mm

ra1 max. - 3,3 mm

a - 28,8 mm

r min. - 3,5 mm

r1 min. - 3,3 mm

Da - 109 mm

db - 65 mm

ra max. - 3,5 mm

da - 71 mm

Db - 116 mm

Weight - 2,254 Kg

Basic dynamic load rating (C) - 161 kN

Basic static load rating (C0) - 221 kN

(Grease) Lubrication Speed - 3000 r/min

(Oil) Lubrication Speed - 4000 r/min

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,95

Calculation factor (Y1) - 1,7

• Model Number:557S/552A
• Inner Diameter：53,975mm Outer Diameter：123,825mm Width：38,1mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:supporting facilities,hydraulic cylinder buffer,position switch,Liposuction device,test laboratory equipment and accessories,nail products,Solenoid Valves,surgical instruments,packaging materials,electromagnet,Embroidery
• Similar models:Timken 25576/25521 Timken 25578/25523 Timken 557-S/553-BA KOYO 15578/15520 NTN 4T-25577/25523 Fersa 25578/25520 FBJ 25577/25520 NTN 4T-557S/552A ISO 557S/552A CX 25577/25520
• BEARING POWER International Trading Co.,Ltd. specialize in 557S/552A products，there is large inventory of NSK 557S/552A . We has been built up long-term cooperation with NSK company, could make a bulk order of the 557S/552A Which NSK 557S/552A 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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