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NTN M12649/M12610 inch series tapered roller bearing set consisting of cone M12649 and cup M12610. Straight bore, open enclosure, case carburized steel construction. Single row design for high radial and axial load capacity in industrial applications.
MODEL M12649/M12610
$13.01 Each
Prices are subject to change
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Returnable:No
a (Effective Load Center)
-0.2500 in
B (in)
0.8437
Bore Type
Round
Bore type
Round
Cone Number
M12649
Configuration
One
Cup Number
M12610
D (in)
1.9687
Dynamic Load Rating
8550 lbf
Dynamic load rating
8550 lbf
e (Axial Load Factor)
0.28
Enclosure
Open
I.D.
0.8437 in
Lubrication
w/o Oil Hole
Material
Case carburized steel
O.D.
1.9687 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)
0.05
r (in)
0.0500
Static Load Rating
8750 lbf
Static load rating
8750 lbf
Style
Cone & cup
Type
Tapered Roller Bearing
U
1.14 in
V
1.00 in
W
0.6900 in
Wi
0.7200 in
Width
0.72
Wo
0.5500 in
X
1.81 in
Y0 (Axial Load Factor)
1.19
Y2 (Axial Load Factor)
2.16
Z
1.73 in
Technical Specifications
| Type | Tapered Roller Bearing |
|---|---|
| Bore Type | Round |
| Material | Case Carburized Steel |
| Style | Cone & Cup |
| Precision Rating | Class 2 |
| Cone Number | M12649 |
| Cup Number | M12610 |
| Configuration | One |
| Lubrication | w/o Oil Hole |
| e (Axial Load Factor) | 0.28 |
| Y2 (Axial Load Factor) | 2.16 |
| Y0 (Axial Load Factor) | 1.19 |
| Static Load Rating | 8750 lbf39000 N39.00 kN |
| Dynamic Load Rating | 8550 lbf38000 N38.00 kN |
| Enclosure | Open |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| B | 0.8437 in21.430 mm |
|---|---|
| D | 1.9687 in50.005 mm |
| Wo | 0.5500 in13.970 mm |
| Wi | 0.7200 in18.288 mm |
| W | 0.6900 in17.526 mm |
| r | 0.0500 in1.300 mm |
| R | 0.05 in1.3 mm |
| a (Effective Load Center) | -0.2500 in-6.400 mm |
| U | 1.14 in29.0 mm |
| V | 1.00 in25.5 mm |
| X | 1.81 in46.0 mm |
| Z | 1.73 in44.0 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.