Double Row TDO Series=M719 Bearing

Double row tapered roller bearing TDO consists of a single-piece (double)  outer ring and two single inner rings.  This confifi guration offers a wide  effective bearing spread to support  loads created by overturning moments. These bearings can be used at  fixed  positions or allowed to float in the housing  bore to compensate for shaft expansion.


Double row tapered roller bearing TDO bearings are usually supplied complete with an inner-ring  spacer as a pre-set assembly.   To suit the application duty, the built-in setting value needs to be  established by your VAFEM engineer before an order is placed. For spacer confifi guration information, contact your Timken  engineer. Double outer ring can be used with any single inner ring from  the same series. The tables list regularly specififi ed inner-ring part numbers.

VAFEM (Shang Hai) Bearing Technology Co.,Ltd
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Double Row TDO Series

Dimension and Parameters

Bearing Dimensions(mm/in.)
d :4
D :5.75
T :1.9375
C :1.5313
Load Ratings(N/lbf)
Dynamic(1)
C1(2) :50100
Factors(2)
e :=F719
Y1 :=G719
Y2 :=H719
Dynamic(3)
C90 :7460
Ca90 :4950
C90(2) :13000
Factors(2)
K :=L719
Part Number
Inner :=M719
Outer :=N719
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(4) :0.06
Backing Shoulder Dia.
db :4.33
Housing
Max. Housing Fillet Radius
r(4) :0.03
Backing Shoulder Dia.
Da :5.51
Pin(mm/in.)
Ka :
Kb :
Geometry Factors
G1 :=U719
G2 :=V719
Cg :=W719
Bearing Weight(kg/lbs.) :5.37
Part Number:
d:
D:
B:
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