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NTN DC209TTR8 heavy duty disc bearing with square bore and cylindrical outer diameter. Double sealed for contamination resistance. Through hardened steel construction with steel cage. Designed for agricultural disc harrow applications.
MODEL DC209TTR8
$109.94 Each
Prices are subject to change
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Returnable:No
Axial Static Load Rating
4586 lbf
Axial static load rating
4586 lbf
B (in)
1.4380
Ball Material
Steel, Ball Material:Through Hardened Steel
Ball material
Through hardened steel
Bore Type
Square
Bore type
Square
C (in)
1.4380
Cage Material
Nylon
Cage material
Nylon
Cage Type
Molded
Cage type
Molded
Configuration
One
D (in)
3.3460
d (in)
1.3780
Dynamic Load Rating
7307 lbf
Dynamic load rating
7307 lbf
Enclosure
Multi-lip Seal - Both Sides
F (in)
0.1988
H (in)
1.3000
Housing Width
0 in
Housing width
0 in
I.D.
33.02 mm
Lubrication
Relubricated
Material
Through hardened steel
Number of Holes
0
Number of holes
0
O.D.
85 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Cylindrical OD
Precision
ISO class 0
r (in)
0.0394
Radial Dynamic Load Rating
7306 lbf
Radial Internal Clearance
C3
Radial internal clearance
C3
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Shaft size
1.250 in
Static Load Rating
4586 lbf
Static load rating
4586 lbf
Total Length
0.0000 in
Total length
0.0000 in
Type
Heavy Duty Disc Bearing
Width
36.513 mm
Technical Specifications
Type | Heavy Duty Disc Bearing |
Bore Type | Square |
Outside Ring Type | Cylindrical |
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 |
Lubrication | Relubricated |
Radial Internal Clearance | C3 |
Static Load Rating | 4600 lbf20400 N20.40 kN |
Dynamic Load Rating | 7300 lbf32500 N32.50 kN |
Enclosure | Double Sealed |
Weight | 1.720 lb0.780 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
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.
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