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NTN HM89443/HM89410 is an inch series tapered roller bearing set with a 3 in straight bore. The cone (HM89443) and cup (HM89410) are manufactured from case carburized steel for durability under heavy radial and axial loads. This open design is suitable for industrial gearboxes, axle housings, and conveyor systems requiring separable bearing assemblies.
MODEL HM89443/HM89410
$36.99 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.2300 in
B (in)
1.3125
Bore Type
Round
Bore type
Round
Cone Number
HM89443
Configuration
One
Cup Number
HM89410
D (in)
3.0000
Dynamic Load Rating
17500 lbf
Dynamic load rating
17500 lbf
e (Axial Load Factor)
0.55
Enclosure
Open
I.D.
1.3125 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
3 in
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision Rating
Class 2
Precision rating
Class 2
r (in)
0.1300
R (in)
0.03
Static Load Rating
23600 lbf
Static load rating
23600 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
1.83 in
V
1.75 in
W
1.1563 in
Wi
1.1250 in
Wo
0.9063 in
X
2.87 in
Y0 (Axial Load Factor)
0.6
Y2 (Axial Load Factor)
1.10
Z
2.44 in
Technical Specifications
Type | Tapered Roller Bearing |
|---|---|
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class 2 |
Cone Number | HM89443 |
Cup Number | HM89410 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.55 |
Y2 (Axial Load Factor) | 1.1 |
Y0 (Axial Load Factor) | 0.60 |
Static Load Rating | 23600 lbf105000 N105.00 kN |
Dynamic Load Rating | 17500 lbf78000 N78.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 1.3125 in33.338 mm |
|---|---|
D | 3.0000 in76.200 mm |
Wo | 0.9063 in23.020 mm |
Wi | 1.1250 in28.575 mm |
W | 1.1563 in29.370 mm |
r | 0.1300 in3.300 mm |
R | 0.03 in0.8 mm |
a (Effective Load Center) | -0.2300 in-5.800 mm |
U | 1.83 in46.5 mm |
V | 1.75 in44.5 mm |
X | 2.87 in73.0 mm |
Z | 2.44 in62.0 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 | NTN Bearing |
| Model | RNA5907E |
| Brand | Jason Industrial |
| Model | 2/B52 |
