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Timken Part Number L725349 – L725311, Tapered Roller Bearings – TS (Tapered Single) Imperial

Home TIMKEN BEARING Timken Part Number L725349 – L725311, Tapered Roller Bearings – TS (Tapered Single) Imperial

Timken Part Number L725349 – L725311, 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 Number L725349 – L725311 Specifications：

Series

 L725300

Cone Part Number

 L725349

Cup Part Number

 L725311

Design Units

 Imperial

Bearing Weight

 1.5 Kg3.3 lb

Cage Type

 Stamped Steel

Dimensions

d – Bore

 127 mm5 in

D – Cup Outer Diameter

 171.450 mm6.7500 in

B – Cone Width

 25.400 mm1.0000 in

C – Cup Width

 18.288 mm0.7200 in

T – Bearing Width

 25.400 mm1.0000 in

Abutment and Fillet Dimensions

R – Cone Backface “To Clear” Radius1 3.300 mm0.13 in
r – Cup Backface “To Clear” Radius2 3.3 mm0.130 in

da – Cone Frontface Backing Diameter

 134.11 mm6.25 in

db – Cone Backface Backing Diameter

 138.94 mm5.47 in

Da – Cup Frontface Backing Diameter

 167.89 mm6.61 in

Db – Cup Backface Backing Diameter

 160.02 mm6.3 in

Ab – Cage-Cone Frontface Clearance

 2.5 mm0.1 in

Aa – Cage-Cone Backface Clearance

 2.3 mm0.09 in
a – Effective Center Location3 9.1 mm0.36 in

Basic Load Ratings

C90 – Dynamic Radial Rating (90 million revolutions)4 8750 lbf38900 N
C1 – Dynamic Radial Rating (1 million revolutions)5 33700 lbf150000 N

C0 – Static Radial Rating

 55300 lbf246000 N
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 7130 lbf31700 N

Factors

K – Factor7 1.23
e – ISO Factor8 0.48
Y – ISO Factor9 1.26

G1 – Heat Generation Factor (Roller-Raceway)

 187

G2 – Heat Generation Factor (Rib-Roller End)

 77.6
Cg – Geometry Factor10 0.153

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

Other models ：  M12649 – M12610                             L725349 – L725311

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