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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

TIMKEN BEARING

Description

Timken Part Number 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

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