Double Row TDI SeriesM257149D 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 :304.8
D :419.1
T :130.175
B :130.175
Load Ratings(N/lbf)
Dynamic(1)
C1(2) :2080000
Factors(2)
e :0.3
Y1 :2
Y2 :3
Dynamic(3)
C90 :310000
Ca90 :176000
C90(2) :540000
Factors(2)
K :1.76
Part Number
Inner :M257149D
Outer :M257110
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(4) :1.5
Backing Shoulder Dia.
da :322
Housing
Max. Housing Fillet Radius
r(4) :6.4
Backing Shoulder Dia.
Db :392
Geometry Factors
G1 :2157.5
G2 :303.6
Cg :0.1669
Bearing Weight(kg/lbs.) :52.61
Part Number:
d:
D:
B:
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