Double Row TDI SeriesLM654644D 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 :279.578
D :380.898
T :117.475
B :117.475
Load Ratings(N/lbf)
Dynamic(1)
C1(2) :1260000
Factors(2)
e :0.4
Y1 :1.6
Y2 :2.3
Dynamic(3)
C90 :187000
Ca90 :138000
C90(2) :326000
Factors(2)
K :1.35
Part Number
Inner :LM654644D
Outer :LM654610
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(4) :1.5
Backing Shoulder Dia.
da :297
Housing
Max. Housing Fillet Radius
r(4) :3.3
Backing Shoulder Dia.
Db :356
Geometry Factors
G1 :1916.4
G2 :265.6
Cg :0.1744
Bearing Weight(kg/lbs.) :40.56
Part Number:
d:
D:
B:
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