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NTN WS81106 is a thrust needle roller bearing inner ring with a 30 mm bore. Designed for use with the 81106 series thrust needle roller and cage assembly, this inner ring provides a precision raceway for axial load applications in gearboxes, machine tools, and industrial transmissions.
MODEL WS81106
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$22.17 Each
Prices are subject to change
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Brand Minimum Order Quantity: 4
Typically Ships in: 1 day
Returnable:No
B (in)
0.1181
Bore Type
Round
Bore type
Round
Configuration
One
d (in)
1.1811
d1 (-0.2/-0.5)
1.8504 in
I.D.
30 mm
Material
High carbon chrome steel
O.D.
47 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0236
Type
Inner Ring
Technical Specifications
| Type | Inner Ring |
|---|---|
| Bore Type | Round |
| Configuration | One |
| Material | High Carbon Chrome Steel |
| Precision | ISO Class 0 |
| Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
| d | 1.1811 in30.000 mm |
|---|---|
| d1 (-0.2/-0.5) | 1.8504 in47.000 mm |
| B | 0.1181 in3.000 mm |
| r | 0.0236 in0.600 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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