Double Row TDI SeriesM280349D 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 :609.6
D :863.6
T :317.5
B :317.5
Load Ratings(N/lbf)
Dynamic(1)
C1(2) :10500000
Factors(2)
e :0.3
Y1 :2
Y2 :3
Dynamic(3)
C90 :1570000
Ca90 :893000
C90(2) :2730000
Factors(2)
K :1.76
Part Number
Inner :M280349D
Outer :M280310
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(4) :3.3
Backing Shoulder Dia.
da :648
Housing
Max. Housing Fillet Radius
r(4) :6.4
Backing Shoulder Dia.
Db :807
Geometry Factors
G1 :14433.6
G2 :688.8
Cg :0.3143
Bearing Weight(kg/lbs.) :608.49
Part Number:
d:
D:
B:
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