Double Row TNASW SeriesNA455SW Bearing

Double row tapered roller bearing TNASW double-row bearings are a  variant of type TNA, having chamfers and slots on the front face of the inner ring. TNASWE has an extended inner ring face. Slots on the inner ring provide lubrication. Cone front faces are extended, eliminating the  need for a separate cone spacer. TNASW and TNASWE bearings are supplied with a built-in  clearance, which results in a specififi ed mounted setting  range satisfactory for most applications. Types TNASW and TNASWE provide a solution for fifi xed  or floating bearing applications.

VAFEM (Shang Hai) Bearing Technology Co.,Ltd
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Double Row TNASW Series

Dimension and Parameters

Bearing Dimensions(mm/in.)
d :2
D :4.25
T :2.5626
C :2.125
Load Ratings(N/lbf)
Dynamic(1)
C1(2) :53100
Factors(2)
e :0.34
Y1 :2.01
Y2 :3
Dynamic(3)
C90 :7900
Ca90 :4540
C90(2) :13800
Factors(2)
K :1.74
Part Number
Inner :NA455SW
Outer :452D
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(4) :0.14
Backing Shoulder Dia.
db :2.56
Housing
Max. Housing Fillet Radius
r(4) :0.03
Backing Shoulder Dia.
Da :3.94
Bearing Weight(kg/lbs.) :6.2
Part Number:
d:
D:
B:
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