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Flanged bearing unit with composite or cast iron housing · SKF F3BB 104-TF
SKF F3BB 104-TF y-bearing unit

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SKF F3BB 104-TF y-bearing unit

Manufacturer part numberF3BB 104-TFAlso known as: F3BB104TF · F3BB 104 TF
Brand
SKF
Subcategory
Y-bearing unit
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Description

SKF F3BB 104-TF 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 F3BB 104-TF and any equivalents.

A Y-bearing unit from SKF pairs an insert ball bearing with a housing made of cast iron or sheet steel, giving you a shaft support that arrives ready to mount. It suits equipment that needs a compact, self-aligning arrangement and fast installation. MR Industrial Accessories LLC supplies this line to plants and workshops throughout the United States and in several Latin American countries.

Reading the code is straightforward once you know the blocks. The first letter tells you the housing style, the following digits cover size and design variant, and any suffixes describe sealing, locking method or material. Take F3BB 104-TF: a square four-bolt flange housing, an insert bearing with a 1 inch bore, and a contact seal. The -TF suffix points to a particular seal design, so confirm it fits the conditions where the unit will run.

You will find these units on belt conveyors, bucket elevators, mixers, screens, fans and packaging lines. Food, cement, mining and paper plants use them, as do workshops that build or repair agricultural machinery. Because housing and insert bearing come as one assembly, replacement is simple: swap the complete unit without regrinding the shaft or machining the housing.

Selection comes down to load type, rotation speed and environment. Where dust, water or frequent washdowns are present, choose a contact seal such as the one indicated by -TF. Check that the shaft tolerance is correct and that the mounting surface is clean and flat. The unit is lubricated at the factory, but before start-up it is worth inspecting the seal and confirming alignment.

Different brands offer Y-bearing units with insert bearings under equivalent nomenclatures, and interchangeability depends on the main dimensions, shaft diameter and locking type. A similar code is not enough: compare center height, hole spacing and how the insert locks. MR Industrial Accessories LLC can help you locate the right equivalent.

When you need a replacement, send the complete code from the housing or the bearing plate by WhatsApp or email. With that information we identify the configuration and prepare your quote. A photo of the part plus the shaft dimensions also works to confirm the variant.

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

How do I find the code on my Y-bearing unit?
Check the housing or the insert bearing plate for the engraved code. Note every letter and number, suffixes included. If it is hard to read, send a photo and the shaft dimensions via WhatsApp and we will help identify it.
What does the -TF suffix mean on an SKF housing?
The -TF suffix identifies a contact seal variant, intended for environments with dust or moisture. It is not present on every housing. Share the code and your working conditions with us to confirm whether this seal suits your application.
Can I replace a Y-bearing unit from another brand with an SKF one?
Yes, provided the main dimensions match: shaft diameter, center height, hole spacing and locking type. The code alone is not reliable. Send us the dimensions or the original code and we will point you to the equivalent.
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