Double Row TDI SeriesLM247748D 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 :244.475
D :327.025
T :92.075
B :92.075
Load Ratings(N/lbf)
Dynamic(1)
C1(2) :987000
Factors(2)
e :0.3
Y1 :2.1
Y2 :3.1
Dynamic(3)
C90 :147000
Ca90 :80800
C90(2) :256000
Factors(2)
K :1.82
Part Number
Inner :LM247748D
Outer :LM247710
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(4) :1.5
Backing Shoulder Dia.
da :257
Housing
Max. Housing Fillet Radius
r(4) :3.3
Backing Shoulder Dia.
Db :310
Geometry Factors
G1 :1173.3
G2 :243.9
Cg :0.1345
Bearing Weight(kg/lbs.) :21.53
Part Number:
d:
D:
B:
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