Double Row TDI SeriesM272749D 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 :479.425
D :679.45
T :238.125
B :238.125
Load Ratings(N/lbf)
Dynamic(1)
C1(2) :6500000
Factors(2)
e :0.3
Y1 :2
Y2 :3
Dynamic(3)
C90 :968000
Ca90 :551000
C90(2) :1680000
Factors(2)
K :1.76
Part Number
Inner :M272749D
Outer :M272710
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(4) :3.3
Backing Shoulder Dia.
da :510
Housing
Max. Housing Fillet Radius
r(4) :6.4
Backing Shoulder Dia.
Db :633
Geometry Factors
G1 :8110.8
G2 :508.6
Cg :0.2598
Bearing Weight(kg/lbs.) :286.5
Part Number:
d:
D:
B:
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