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Y-bearing plummer block unit, cast iron housing · SKF SY 1.1/4 AFM
SKF SY 1.1/4 AFM y-bearing unit

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SKF SY 1.1/4 AFM y-bearing unit

Manufacturer part numberSY 1.1/4 AFMAlso known as: SY1.1/4AFM · SY1.1/4 AFM
Brand
SKF
Subcategory
Y-bearing unit
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Description

SKF SY 1.1/4 AFM belongs to y-bearing unit, 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 SY 1.1/4 AFM and any equivalents.

The SKF SY AFM Y-bearing housing unit integrates a housing and a ball insert bearing in one assembly, ready to mount on shafts and secure to machinery. It supports rotating shafts and handles minor misalignment in conveying and transmission systems. MR Industrial Accessories LLC supplies this series to maintenance and purchasing teams across the United States, Canada, Mexico and South America.

To interpret a part number such as SY 1.1/4 AFM, start with the SY prefix, which identifies SKF's Y-bearing housing units with insert bearings. The following figure gives the shaft size in inches or millimeters. The AFM suffix denotes a specific construction variant, often tied to the insert locking method and sealing. When selecting a unit, confirm the shaft diameter and match the suffix to the equipment drawing or original component.

These units find use in food processing, packaging, conveyors, fans, mixers and agricultural machinery. Their design simplifies shaft installation and tolerates small misalignments, reducing maintenance effort in tight-access areas. They suit moderate loads and medium speeds typical of industrial power transmission.

Before ordering, verify shaft diameter, load type and operating environment. The insert seal must withstand dust, moisture or washdown conditions. During installation, use a flat, clean mounting surface, align the housing with the shaft, and tighten the insert locking screws to the specified torque. Follow the manufacturer's guidance for lubrication intervals.

Interchangeability with other brands is not automatic. While housing dimensions may match, locking systems, seals and load ratings can differ. Always compare critical dimensions and insert type before substituting. For assistance, contact MR Industrial Accessories LLC with your equipment details.

To request a quote, send the complete SKF SY AFM part number via WhatsApp or email. If the part number is unavailable, provide the shaft diameter, a photo of the existing unit, or key dimensions, and we will reply with a suitable option.

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 AFM suffix indicate in the SKF SY series?
The AFM suffix identifies a construction variant, typically related to the insert bearing locking type and sealing. Check the complete designation or consult with our team for exact specifications.
How do I select the right SY AFM housing unit for my application?
Determine the shaft diameter, load type and environmental conditions. The part number includes the shaft size in inches or millimeters. If unsure, send us your equipment data for guidance.
Can I replace an SKF SY AFM unit with another brand?
Not always. While dimensions may be similar, differences in locking, sealing and load capacity can affect performance. Verify main dimensions and insert type before substituting.
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