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NTN HM88547/HM88510 is an inch series tapered roller bearing set consisting of cone HM88547 and cup HM88510. It features a straight bore, open design, and case carburized steel construction for durability under heavy radial and axial loads. Suitable for industrial applications requiring separable bearing assemblies.
MODEL HM88547/HM88510
$34.25 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.2400 in
B (in)
1.3125
Bore Type
Round
Bore type
Round
Cone Number
HM88547
Configuration
One
Cup Number
HM88510
D (in)
2.8750
Dynamic Load Rating
16200 lbf
Dynamic load rating
16200 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.
2.875 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)
0.03
r (in)
0.1300
Static Load Rating
21800 lbf
Static load rating
21800 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
1.79 in
V
1.67 in
W
1.1563 in
Wi
1.0938 in
Wo
0.9063 in
X
2.76 in
Y2 (Axial Load Factor)
1.10
Z
2.32 in
Technical Specifications
Type | Tapered Roller Bearing |
Bore Type | Round |
Material | Case Carburized Steel |
Style | Cone & Cup |
Precision Rating | Class 4 |
Cone Number | HM88547 |
Cup Number | HM88510 |
Configuration | One |
Lubrication | w/o Oil Hole |
e (Axial Load Factor) | 0.55 |
Y2 (Axial Load Factor) | 1.1 |
Static Load Rating | 21800 lbf97000 N97.00 kN |
Dynamic Load Rating | 16200 lbf72000 N72.00 kN |
Enclosure | Open |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
B | 1.3125 in33.338 mm |
D | 2.8750 in73.025 mm |
Wo | 0.9063 in23.020 mm |
Wi | 1.0938 in27.783 mm |
W | 1.1563 in29.370 mm |
r | 0.1300 in3.300 mm |
R | 0.03 in0.8 mm |
a (Effective Load Center) | -0.2400 in-6.000 mm |
U | 1.79 in45.5 mm |
V | 1.67 in42.5 mm |
X | 2.76 in70.0 mm |
Z | 2.32 in59.0 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 | Climax Metal |
| Model | C405M-240X305 |
