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NTN DC212TTRA is a heavy duty disc bearing with a cylindrical outer diameter, double sealed for contamination protection. It features a steel cage and through hardened steel construction for durability in agricultural and industrial disc applications.
MODEL DC212TTRA
$122.75 Each
Prices are subject to change
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Returnable:No
B (in)
1.6870
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
C (in)
1.5059
Cage Material
Steel
Cage material
Steel
Cage Type
Pressed
Cage type
Pressed
Configuration
One
D (in)
4.3307
d (in)
1.7700
Dynamic Load Rating
11800 lbf
Dynamic load rating
11800 lbf
Enclosure
Double Sealed
F (in)
0.2520
I.D.
44.958 mm
Lubrication
Relubricated
Material
Through hardened steel
O.D.
110 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Outside Ring Type
Cylindrical
Precision
Class 0
r (in)
1.5000
Radial Internal Clearance
CN
Radial internal clearance
CN
Seal Material
Nitrile Rubber
Seal material
Nitrile rubber
Seal Type
Contact
Seal type
Contact
Shaft size
1.7500 in
Static Load Rating
8100 lbf
Static load rating
8100 lbf
Type
Heavy Duty Disc Bearing
Technical Specifications
Type | Heavy Duty Disc Bearing |
Bore Type | Round |
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 | CN |
Static Load Rating | 8100 lbf36000 N36.00 kN |
Dynamic Load Rating | 11800 lbf52500 N52.50 kN |
Enclosure | Double Sealed |
Weight | 3.871 lb1.756 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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