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NTN HM821547/HM82#06 is an inch series tapered roller bearing with a straight bore. This single-row bearing is designed for heavy radial and axial loads in industrial applications such as gearboxes and axle housings.
MODEL HM821547/HM82#06
$2,469.54 Each
Prices are subject to change
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Returnable:No
B (in)
3.9362
Bore Type
Round
Bore type
Round
Cone Number
HM821547
Configuration
Two
Cup Number
HM821511D
D (in)
7.7500
Dynamic Load Rating
125000 lbf
Dynamic load rating
125000 lbf
e (Axial Load Factor)
0.61
Enclosure
Open
I.D.
3.9362 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
7.75 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class 4
Precision rating
Class 4
R (in)
0.14
r (in)
0.0600
Static Load Rating
176000 lbf
Static load rating
176000 lbf
Style
TDO
Type
Tapered Roller Bearing
Wi
4.0700 in
Width
4.07
Wo
2.9300 in
Y2 (Axial Load Factor)
1.66
Technical Specifications
Type | Tapered Roller Bearing |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Style | TDO |
Precision Rating | Class 4 |
Cone Number | HM821547 |
Cup Number | HM821511D |
Configuration | Two |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.61 |
Y2 (Axial Load Factor) | 1.66 |
Static Load Rating | 176000 lbf785000 N785.00 kN |
Dynamic Load Rating | 125000 lbf555000 N555.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 3.9362 in99.979 mm |
|---|---|
D | 7.7500 in196.850 mm |
Wo | 2.9300 in74.422 mm |
Wi | 4.0700 in103.378 mm |
r | 0.0600 in1.500 mm |
R | 0.14 in3.5 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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