All Product Types
>
ENGINEERED BEARINGS
>
Tapered Roller Bearings
>
Tapered Roller Bearings - 2TS (Matched Bearing Assembly)
>
Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)
>
Part Number 778 - 772 (Y4S-772)
Part Number 778 - 772 (Y4S-772), Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)
Download PDF
Download PDF
Printable Page
Email This Page
Save To Favorites
Please wait…
Tapered Roller Bearings - 2TS-DM (Matched Bearing Assembly, Direct Mount)
larger image
larger image
Specifications
·
Dimensions
·
Abutment and Fillet Dimensions
·
Basic Load Ratings
·
Factors
Specifications
Cone Part Number
778
Cup Part Number
772
Related Assembly Number(s)
778-90234
Outer Spacer Part Number
Y4S-772
Design Unit
Inch
Dimensions
d - Bore
3.6250
in
92.075
mm
D - Cup Outer Diameter
7-1/8
in
180.975
mm
T - Width
3.75
in
95.25
mm
B - Width
3.78
in
96.012
mm
Abutment and Fillet Dimensions
R - Cone Backface "To Clear" Radius
1
0.02
in
0.50
mm
r - Cup Backface "To Clear" Radius
2
0.130
in
3.30
mm
db - Cone Backface Backing Diameter
4.37
in
111
mm
Da - Cup Frontface Backing Diameter
6.65
in
167.90
mm
1
These maximum fillet radii will be cleared by the bearing corners.
2
These maximum fillet radii will be cleared by the bearing corners.
Basic Load Ratings
C90 - Dynamic Radial Rating (90 million revolutions)
1
20200
lbf
89700
N
C1 - Dynamic Radial Rating (1 million revolutions)
2
135000
lbf
603000
N
C
a90
- Dynamic Thrust Rating (90 million revolutions)
3
13300
lbf
59200
N
C90
(2)
- Dynamic Radial Rating (Two-Row, 90 million revolutions)
4
35100
lbf
156000
N
1
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values.
2
Based on 1 x 10
6
revolutions L
10
life, for the ISO life calculation method.
3
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values for a single-row, C
90(2)
is the two-row radial value.
4
Based on 90 x 10
6
revolutions L
10
life, for The Timken Company life calculation method. C
90
and C
a90
are radial and thrust values for a single-row, C
90(2)
is the two-row radial value.
Factors
K - Factor
1
1.51
e - ISO Factor
2
0.39
Y1 - ISO Factor
3
1.75
Y2 - ISO Factor
4
2.61
1
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
2
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
3
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
4
These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
MORE IMAGES
·
timken-2TS-DM-24-OD-pin-cage-cutaway-angle-view
·
timken-2TS-DM-24-OD-pin-cage-left-angle-view
·
Timken TRB 2TS-DM
VIEW CAD DRAWING
·
3D
·
2D ISO View
·
2D Sales Drawing
DOWNLOADS
Bearing Life Calculation Tool
Bearing Dimensional Tolerances
Tools and Guides for Engineers
NEW PRODUCT OFFERING
PT Tech
