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NTN T-E-HM256849/HM2#11 is an inch series tapered roller bearing set consisting of a cone and cup. It features an open design with a straight bore and is constructed from case carburized steel for durability under heavy radial and axial loads. This bearing set is suitable for industrial applications requiring high load capacity and reliable performance.
MODEL T-E-HM256849/HM2#11
$13,980.79 Each
Prices are subject to change
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B (in)
11.8125
Bore type
Round
Bore Type
Round
Cone Number
HM256849
Configuration
Two
Cup Number
HM256810CDG2
D (in)
16.6270
Dynamic load rating
254000 lbf
Dynamic Load Rating
254000 lbf
e (Axial Load Factor)
0.34
Enclosure
Open
I.D.
11.8125 in
Lubrication
w/o Oil Hole
Material
Case Carburized Steel
O.D.
16.625 in
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision rating
Class 4
Precision Rating
Class 4
R (in)
0.25
Static load rating
540000 lbf
Static Load Rating
540000 lbf
Style
TDO
Type
Tapered Roller Bearing
Wi
3.2500 in
Width
6.875 in
Wo
5.3770 in
Y2 (Axial Load Factor)
1.78
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Style | TDO |
Precision Rating | Class 4 |
Cone Number | HM256849 |
Cup Number | HM256810CDG2 |
Configuration | Two |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.34 |
Y2 (Axial Load Factor) | 1.78 |
Static Load Rating | 540000 lbf2400000 N2400.00 kN |
Dynamic Load Rating | 254000 lbf1130000 N1130.00 kN |
Enclosure | Open |
| 169.000 lb76.657 kg | |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 11.8125 in300.038 mm |
D | 16.6270 in422.326 mm |
Wo | 5.3770 in136.576 mm |
Wi | 3.2500 in82.550 mm |
R | 0.25 in6.4 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.
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