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NTN DS208TTR8 DSTT heavy duty disc bearing with square bore and spherical outer diameter. Designed for Type 2 applications, this bearing accommodates misalignment and heavy radial loads in industrial machinery.
MODEL DS208TTR8
$115.71 Each
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Returnable:No
B (in)
1.4370
B - Tolerance
0/-0.0047 in
Ball Material
Steel
Ball material
Steel
Bore Type
Square
Bore type
Square
C (in)
1.1890
C - Tolerance
0/-0.0047 in
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
D (in)
3.1496
d (in)
1.2362
D - Tolerance
0/-0.0005 in
Dynamic Load Rating
6550 lbf
Dynamic load rating
6550 lbf
Enclosure
Double Sealed
F (in)
0.2598
H (in)
1.1800
H - Tolerance
0.0050/-0.0050 in
I.D.
29.972 mm
Lubrication
Relubricated
Material
Through hardened steel
O.D.
80 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Spherical
Precision
Class 0
r (in)
0.0886
Radial Internal Clearance
CN
Radial internal clearance
CN
s
0.0866 in
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Shaft size
1.125 in
Static Load Rating
4000 lbf
Static load rating
4000 lbf
Type
Heavy Duty Disc Bearing
Width
36.5 mm
Technical Specifications
Type | Heavy Duty Disc Bearing |
Bore Type | Square |
Outside Ring Type | Spherical |
Material | Through Hardened Steel |
Cage Type | Pressed |
Cage Material | Steel |
Ball Material | Steel |
Seal Type | Contact |
Seal Material | Nitrile Rubber |
Precision | Class 0 |
Configuration | One |
Radial Internal Clearance | CN |
Lubrication | Relubricated |
Static Load Rating | 4000 lbf17800 N17.80 kN |
Dynamic Load Rating | 6550 lbf29100 N29.10 kN |
Enclosure | Double Sealed |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
H | 1.1800 in29.972 mm |
D | 3.1496 in80.000 mm |
C | 1.1890 in30.200 mm |
B | 1.4370 in36.500 mm |
d | 1.2362 in31.400 mm |
r | 0.0886 in2.250 mm |
F | 0.2598 in6.600 mm |
s | 0.0866 in2.200 mm |
D - Tolerance | 0/-0.0005 in0/-0.013 mm |
H - Tolerance | 0.0050/-0.0050 in0.127/-0.127 mm |
C - Tolerance | 0/-0.0047 in0/-0.120 mm |
B - Tolerance | 0/-0.0047 in0/-0.120 mm |
Shaft Size | 1.125 in28.575 mm |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
| Brand | Marathon Electric |
| Model | GT1044A |
| Brand | HubCity |
| Model | 0223-07196 |
