Timken Part Number M12649 – M12610, Tapered Roller Bearings – TS (Tapered Single) Imperial

Home TIMKEN BEARING Timken Part Number M12649 – M12610, Tapered Roller Bearings – TS (Tapered Single) Imperial

Timken Part Number M12649 – M12610, 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  M12649 – M12610 Specifications：

Series

 M12600

Cone Part Number

 M12649

Cup Part Number

 M12610

Design Units

 Imperial

Bearing Weight

 0.20 Kg0.4 lb

Cage Type

 Stamped Steel

Dimensions

d – Bore

 21.430 mm0.8437 in

D – Cup Outer Diameter

 50.005 mm1.9687 in

B – Cone Width

 18.288 mm0.7200 in

C – Cup Width

 13.970 mm0.5500 in

T – Bearing Width

 17.526 mm0.6900 in

Abutment and Fillet Dimensions

R – Cone Backface “To Clear” Radius1 1.270 mm0.050 in
r – Cup Backface “To Clear” Radius2 1.27 mm0.050 in

da – Cone Frontface Backing Diameter

 27.43 mm1.08 in

db – Cone Backface Backing Diameter

 29.46 mm1.16 in

Da – Cup Frontface Backing Diameter

 46.48 mm1.83 in

Db – Cup Backface Backing Diameter

 43.94 mm1.73 in

Ab – Cage-Cone Frontface Clearance

 1.8 mm0.07 in

Aa – Cage-Cone Backface Clearance

 -0.3 mm-0.01 in
a – Effective Center Location3 -6.4 mm-0.25 in

Basic Load Ratings

C90 – Dynamic Radial Rating (90 million revolutions)4 3040 lbf13500 N
C1 – Dynamic Radial Rating (1 million revolutions)5 11700 lbf52200 N

C0 – Static Radial Rating

 9780 lbf43500 N
Ca90 – Dynamic Thrust Rating (90 million revolutions)6 1450 lbf6440 N

Factors

K – Factor7 2.1
e – ISO Factor8 0.28
Y – ISO Factor9 2.16

G1 – Heat Generation Factor (Roller-Raceway)

 9.1

G2 – Heat Generation Factor (Rib-Roller End)

 5.63
Cg – Geometry Factor10 0.0479

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