Single row spacer assembles 2TS-DM(directing mounting)3980 Bearing

Any two matching single-row bearings (type TS)  can be supplied as a double-row, pre-set, ready-to-fit assembly by the addition of spacers, machined to pre-determined dimensions and tolerances.  

There are two basic mounting arrangements for single-row spacer assemblies:

Type 2TS-IM (indirect mounting) 

These consist of two single-row bearings with an inner-ring and outer-ring spacer. In some applications, the outer-ring spacer is replaced by a shoulder in the bearing housing.

Type 2TS-DM (direct mounting) 

These consist of two single-row bearings, with cone (inner-ring) backfaces abutting and an  outer-ring spacer. They are generally used at fifixed (locating) positions on rotating shaft  applications.


VAFEM (Shang Hai) Bearing Technology Co.,Ltd
image/20220811/1660194744.jpg
Single row spacer assembles 2TS-DM(directing mounting)

Dimension and Parameters

Bearing Dimensions(mm/in.)
d :2.375
D :4.4375
T :2.375
B :2.366
Load Ratings(N/lbf)
Dynamic(2)
C1(2) :54300
Factors(3)
e :0.4
Y1 :1.68
Y2 :2.5
Dynamic(4)
C90 :8090
Ca90 :5570
C90(2) :14100
Factors(3)
K :1.45
Part Number
Inner :3980
Outer :3920
Outer Spacer(5) :Y3S-3920
Bearing Dimensions(mm/in.)
Shaft
Max. Shaft Fillet Radius
R(6) :0.02
Backing Shoulder Dia.
db :2.68
Housing
Max. Housing Fillet Radius
r(6) :0.13
Backing Shoulder Dia.
Da :3.9
Bearing Weight(kg/lbs.) :6.06
Part Number:
d:
D:
B:
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