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Y-bearing plummer block unit, cast iron housing · SKF SY 2.3/16 LF/AH
Y-bearing unit SKF SY 2.3/16 LF/AH

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Y-bearing unit SKF SY 2.3/16 LF/AH

Manufacturer Part Number
SY 2.3/16 LF/AH
Brand
SKFOfficial brand
Category
Bearing housings
Subcategory
Y-bearing unit

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Description

SKF SY 2.3/16 LF/AH is a y-bearing unit reference, within Bearing housings. Request a quote for SY 2.3/16 LF/AH via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

The SKF SY LF/AH Y-bearing pillow block with insert bearing is an assembled unit that combines a cast iron housing with a Y-series insert bearing. It is used to mount rotating shafts in fixed structures, with self-alignment and quick fixing. It is a practical solution for power transmission in equipment requiring low maintenance.

The designation SY … LF/AH reads as follows: SY identifies the split Y-bearing pillow block with cast iron base; the number that follows indicates the shaft diameter in inches, as in SY 2.3/16 LF/AH or SY 2.7/16 LF/AH. The suffixes LF and AH refer to sealing and insert fixing variants: LF usually indicates a special seal for dusty or humid environments, and AH a fixing by set screws on the inner ring. For each size, consult the technical data sheet and verify that the diameter matches your shaft.

These pillow blocks are used in belt conveyors, bucket elevators, mixers, mills, packaging lines and process equipment in the food, chemical, cement and aggregate industries. In Argentina they are common in animal feed plants, meat processing plants and water treatment plants. Their design allows mounting the shaft without machining the housing and absorbing small misalignments, which simplifies maintenance in continuous production lines.

To select the pillow block, verify the shaft diameter, the type of load (radial, axial or combined) and the environmental conditions. The LF seal protects against dust and splashes; if there are frequent washdowns, consider additional seals. The AH insert is fixed to the shaft with set screws, so the fit must be firm but without deforming the ring. Lubricate as indicated by the manufacturer and check the alignment of the pillow block with the shaft to avoid parasitic loads.

Y-bearing pillow blocks with insert bearing are interchangeable between brands in terms of main dimensions, but always verify tolerances and the fixing system. An SKF pillow block can replace another of similar designation, but the sealing and fixing suffixes change performance. Do not mix inserts from different brands in the same housing without confirming compatibility. MR Accesorios Industriales carries SKF and can advise you on the appropriate equivalence.

To request a quote, send the complete code via WhatsApp to MR Accesorios Industriales. Indicate the designation as it appears on your equipment or on the bearing plate. If you do not have it at hand, provide the shaft diameter and a photo of the pillow block. With that data we will confirm the SY … LF/AH variant you need and the alternatives.

This description provides guidance on the product type. Check the configuration and dimensions of this reference.

Dimensions

Dimensions and tolerances: Send us the part number via WhatsApp and we'll confirm dimensions, sealing, and internal clearance against the manufacturer's data sheet.

Frequently Asked Questions

What does the LF/AH suffix mean in an SKF SY pillow block?
LF indicates a reinforced sealing variant for dusty or humid environments. AH refers to the system for fixing the insert to the shaft by means of set screws. Together they define the level of protection and the mounting method of the assembly.
How do I choose the correct diameter for my shaft?
Measure the shaft diameter with a caliper and compare it with the number that follows SY in the designation. For example, SY 2.3/16 corresponds to a 2 inch and 3/16 shaft. If you have doubts, consult us with the exact measurement.
Can the insert bearing be replaced without changing the housing?
Yes, in most cases the insert is replaceable. Verify that the new insert has the same outer dimensions and fixing system. Consult us with the housing code to confirm the compatibility of the replacement part.
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