Double Row TNASW SeriesNA691SW 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 :101.6
D :168.275
T :92.075
C :69.85
Load Ratings(N/lbf)
Dynamic(1)
C1(2) :461000
Factors(2)
e :0.47
Y1 :1.43
Y2 :2.14
Dynamic(3)
C90 :68600
Ca90 :55300
C90(2) :119000
Factors(2)
K :1.24
Part Number
Inner :NA691SW
Outer :672D
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(4) :3.5
Backing Shoulder Dia.
db :118
Housing
Max. Housing Fillet Radius
r(4) :0.8
Backing Shoulder Dia.
Da :160
Bearing Weight(kg/lbs.) :7.82
Part Number:
d:
D:
B:
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