Double Row TDI Series779D Bearing

Double row tapered roller bearing TDI style consists of a single-piece (double) inner ring plus two single outer rings. It is normally supplied complete with an outer-ring spacer as a pre-set assembly. To suit the application duty, the builtin setting value needs to be established by your VAFEM engineer before an order is placed. A groove and holes can be supplied in the outerring spacer to allow lubricant to pass from the bearing  housing. Contact your VAFEM engineer for spacer information.

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

Dimension and Parameters

Bearing Dimensions(mm/in.)
d :3.875
D :7.125
T :4
B :4.03
Load Ratings(N/lbf)
Dynamic(1)
C1(2) :135000
Factors(2)
e :0.4
Y1 :1.8
Y2 :2.6
Dynamic(3)
C90 :20200
Ca90 :13300
C90(2) :35100
Factors(2)
K :1.51
Part Number
Inner :779D
Outer :772
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(4) :0.06
Backing Shoulder Dia.
da :4.41
Housing
Max. Housing Fillet Radius
r(4) :0.13
Backing Shoulder Dia.
Db :6.34
Geometry Factors
G1 :227.3
G2 :41.3
Cg :0.1067
Bearing Weight(kg/lbs.) :24.99
Part Number:
d:
D:
B:
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