NTN SPW2226-407N1 pillow block bearing
- Brand
- NTN
- Category
- Bearing housings
- Subcategory
- Y-bearing unit
- Series
- SPW
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Description
NTN SPW2226-407N1 belongs to pillow block bearing, part of our Bearing housings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for SPW2226-407N1 and any equivalents.
The NTN SPW is a mounted pillow block unit that pairs a cast iron housing with a self-aligning insert bearing. It carries rotating shafts in equipment where alignment is straightforward and lubrication is permanent. MR Industrial Accessories LLC supplies this line to maintenance teams and plants across the United States and Latin America.
Reading the SPW code helps you order the right unit. The base designation is followed by a size number, as in SPW2211N1, SPW2213N1 and SPW2215N1. When the reference carries a hyphen, for example SPW2211-115N1 or SPW2213-203N1, that extra number points to the shaft diameter or the locking style. The N1 ending marks the standard execution of the series. Shaft size and housing outside diameter are the two values worth comparing side by side.
Typical duty covers conveyors, belts, elevators, mixers and process lines in food, chemical and materials handling plants. The pillow block format mounts on steel frames or concrete pads, which keeps installation and changeout simple. Machinery builders, repair shops and production plants order these units as spare parts for their lines.
Selection comes down to shaft diameter, radial and axial load, and the surrounding environment. The insert bearing seal keeps dust and moisture out; where washdowns are frequent, an execution with an added seal is the better fit. Bearings arrive pre-lubricated, though in continuous duty it pays to inspect the lubricant condition. Matching alignment between housings prevents parasitic loads, and the shaft should be clean and free of burrs before the locking screws are tightened to the recommended torque.
SPW housings can be interchanged with equivalent mounted units from other makers, including SKF, FAG and NSK, provided the main dimensions and the locking type line up. Interchange is never automatic: check shaft diameter, hole spacing and center height first. If you only have a competitor's number or an unmarked part, send it over and we will quote it and point you to the compatible alternative.
To get a quote, send the part number or the dimensions by WhatsApp or email. We reply promptly and can also help you pick the variant that suits your application.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What does the N1 suffix mean on an SPW housing?
- N1 identifies the standard execution within the SPW series. Main dimensions stay the same, but it can reflect construction details such as seal type or housing material. Send the complete part number and we will confirm the exact variant.
- How do I decide between an SPW housing and another housing type?
- It depends on load direction and the space you have. The SPW pillow block works when the shaft runs parallel to the base. Wall or flange mounting calls for a different series. Describe your application and we will guide you.
- Are SPW housings lubricated from the factory?
- Yes, the insert bearings in the SPW series come with lubricant. In continuous service or harsh environments, check the condition and relubricate to suit the working conditions. We can advise on the right frequency for your equipment.