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Timken Part Number 749 – 742, Tapered Roller Bearings – TS (Tapered Single) Imperial

Home TIMKEN BEARING Timken Part Number 749 – 742, Tapered Roller Bearings – TS (Tapered Single) Imperial

Timken Part Number 749 – 742, Tapered Roller Bearings – TS (Tapered Single) Imperial

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

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