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NTN 1R25X30X23 is an inner ring for needle roller bearings with a 25 mm bore. Made from high carbon chrome steel, this inner ring is designed for use with compatible needle roller bearing assemblies in industrial applications requiring compact radial load support.
MODEL 1R25X30X23
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$17.72 Each
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Brand Minimum Order Quantity: 4
Typically Ships in: 1 day
Returnable:No
B (in)
0.9055
Bore Type
Round
Bore type
Round
d (in)
0.9843
da min
1.0630 in
F (in)
1.1811
I.D.
25 mm
Material
High carbon chrome steel
O.D.
30 mm
r (in)
0.0118
ras max
0.0118 in
t (in)
0.0709
Tolerance
ISO class 0 (RBEC 1)
Type
Inner Ring
Technical Specifications
Type | Inner Ring |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Tolerance | ISO Class 0 (RBEC 1) |
| 0.084 lb0.038 kg |
Dimensional Specifications
| |
d | 0.9843 in25.000 mm |
F | 1.1811 in30.000 mm |
B | 0.9055 in23.000 mm |
r | 0.0118 in0.300 mm |
t | 0.0709 in1.800 mm |
da min | 1.0630 in27.000 mm |
ras max | 0.0118 in0.300 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.