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Timken Part Number 558 – 552A, Tapered Roller Bearings – TS (Tapered Single) Imperial

Home TIMKEN BEARING Timken Part Number 558 – 552A, Tapered Roller Bearings – TS (Tapered Single) Imperial

Timken Part Number 558 – 552A, Tapered Roller Bearings – TS (Tapered Single) Imperial

This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.

TIMKEN BEARING

Description

Timken 558 – 552A Specifications：

Series

 555

Cone Part Number

 558

Cup Part Number

 552A

Design Units

 Imperial

Bearing Weight

 2.1 Kg4.6 lb

Cage Type

 Stamped Steel

Dimensions

d – Bore

 60.325 mm2.3750 in

D – Cup Outer Diameter

 123.825 mm4.8750 in

B – Cone Width

 36.678 mm1.4440 in

C – Cup Width

 30.163 mm1.1875 in

T – Bearing Width

 38.100 mm1.5000 in

Abutment and Fillet Dimensions

R – Cone Backface “To Clear” Radius1 2.290 mm0.09 in
r – Cup Backface “To Clear” Radius2 3.3 mm0.130 in

da – Cone Frontface Backing Diameter

 71.88 mm2.83 in

db – Cone Backface Backing Diameter

 75.95 mm2.99 in

Da – Cup Frontface Backing Diameter

 116.10 mm4.60 in

Db – Cup Backface Backing Diameter

 108.97 mm4.29 in

Ab – Cage-Cone Frontface Clearance

 2 mm0.08 in

Aa – Cage-Cone Backface Clearance

 1.8 mm0.07 in
a – Effective Center Location3 -9.4 mm-0.37 in

Basic Load Ratings

C90 – Dynamic Radial Rating (90 million revolutions)4 13200 lbf58600 N
C1 – Dynamic Radial Rating (1 million revolutions)5 50800 lbf226000 N

C0 – Static Radial Rating

 55700 lbf248000 N
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 7810 lbf34700 N

As a professional bearing exporter and distributor, WS Bearing stocks thousands kindsof Spherical roller bearings for sale. They are all original top brands bearings such as SKF bearing, FAG bearing, NSK bearing，TIMKEN bearing etc. If you have problems about selecting proper bearings for your special applications, please contact us right now

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