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TIMKEN-749-742-Tapered-Roller-Bearings-TS-(Tapered-Single)-Imperial

Home TIMKEN BEARING TIMKEN-749-742-Tapered-Roller-Bearings-TS-(Tapered-Single)-Imperial

TIMKEN-749-742-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-749-742-Specifications:

Series

 745

Cone Part Number

 749

Cup Part Number

 742

Design Units

 Imperial

Bearing Weight

 3.2 Kg7.2 lb

Cage Type

 Stamped Steel

Dimensions

d – Bore

 85.027 mm3.3475 in

D – Cup Outer Diameter

 150.089 mm5.9090 in

B – Cone Width

 46.673 mm1.8375 in

C – Cup Width

 36.513 mm1.4375 in

T – Bearing Width

 44.450 mm1.7500 in

Abutment and Fillet Dimensions

R – Cone Backface “To Clear” Radius1 3.560 mm0.14 in
r – Cup Backface “To Clear” Radius2 3.3 mm0.130 in

da – Cone Frontface Backing Diameter

 95 mm4.46 in

db – Cone Backface Backing Diameter

 101.09 mm3.98 in

Da – Cup Frontface Backing Diameter

 142.00 mm5.63 in

Db – Cup Backface Backing Diameter

 134.11 mm5.28 in

Ab – Cage-Cone Frontface Clearance

 2 mm0.08 in

Aa – Cage-Cone Backface Clearance

 1.3 mm0.05 in
a – Effective Center Location3 -11.9 mm-0.47 in

Basic Load Ratings

C90 – Dynamic Radial Rating (90 million revolutions)4 21900 lbf97600 N
C1 – Dynamic Radial Rating (1 million revolutions)5 84700 lbf377000 N

C0 – Static Radial Rating

 93800 lbf417000 N
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 12200 lbf54400 N

Factors

K – Factor7 1.8
e – ISO Factor8 0.33
Y – ISO Factor9 1.84

G1 – Heat Generation Factor (Roller-Raceway)

 160

G2 – Heat Generation Factor (Rib-Roller End)

 26.3
Cg – Geometry Factor10 0.0898

As a professional bearing exporter and TIMKEN distributor, WS Bearing stocks thousands kindsof Tapered Roller Bearings for sale，We can export to Singapore–Viet Nam–Malaysia–Indonesia etc. If you have problems about selecting proper bearings for your special applications, please contact us right now

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