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NTN W38 is a bearing adapter sleeve for mounting bearings with a tapered bore onto cylindrical shafts. It features a 38 mm bore and is designed for metric shaft diameters. Adapter sleeves simplify installation and removal of spherical roller bearings and other tapered-bore bearings in industrial machinery.
MODEL W38
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$55.46 Each
Prices are subject to change
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
Height
9.875
Length
9.875
Width
0.146
Specifications
| Bearing Data Sheet | ||
|---|---|---|
| LockWasher | ||
| NTN Part Number | W38 | |
| Lock Nut | AN38A | |
| Bore No. | 38 | |
| Weight | N/A (lbs) / N/A (kg) | |
| Dimensions | Features/Options | ||||
|---|---|---|---|---|---|
| Dimension | Imperial | Metric | Option | Code | Description |
| Bore d Width B or W d d3 Thread O.D. max d3 Thread O.D. max - d2 max d2 max -Tol (+.0000) Threads per inch d1 max C (Tol +1/65 -0) G (Tol +1/32 -0) I (Tol +1/64 -0) E (Tol +1/64 -0) F (Tol +1/64 -0) M f1 f d4 d5 r Bent Inner Tab Typ B2 Bent Inner Tab Ty Number of Tabs |
7.5950 (in) 0.1560 (in) 7.4803 (in) 7.4720 (in) -0.0152 (in) 7.3908 (in) -0.0091 (in) 8 7.3125 (in) 1.2813 (in) 1.6563 (in) 0.2500 (in) 0.7500 (in) 0.2344 (in) |
192.913 (mm) 3.962 (mm) 190.000 (mm) 189.789 (mm) -0.386 (mm) 187.726 (mm) -0.231 (mm) 8 185.738 (mm) 32.544 (mm) 42.069 (mm) 6.350 (mm) 19.050 (mm) 5.953 (mm) |
Series | W38 | W00 Lockwasher Series |
| Basic Load Ratings | Limiting Speeds | ||||
|---|---|---|---|---|---|
| Static Dynamic |
0 (N) 0 (N) |
0 (N) 0 (N) |
Oil Seals Grease |
N/A N/A N/A |
|
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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