
SKF SYL 20 TH y-bearing unit
- Brand
- SKF
- Category
- Bearing housings
- Subcategory
- Y-bearing unit
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Description
SKF SYL 20 TH 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 SYL 20 TH and any equivalents.
A pre-assembled shaft support that pairs a cast iron housing with an insert bearing, supplied by MR Industrial Accessories. The SKF SYL unit arrives ready to mount and already lubricated from the factory, which suits equipment where space is tight and installation time matters, such as conveyors, fans and agro-industrial machinery. Our team helps you match the code to your shaft diameter and operating conditions.
Reading the code is the first step in selection. SYL is the series designation for this style of pillow block housing with an insert bearing. The digits that follow tell you the shaft size the insert fits, in millimeters: SYL 20 TH takes a 20 mm shaft, SYL 25 TH takes a 25 mm shaft, and the pattern continues. The TH suffix marks a construction variant within the series, typically tied to sealing arrangement or housing material.
These units show up across many industries in the United States and Latin America. Typical installations include belt conveyors, bucket elevators, mixers, fans, pumps, and food and beverage lines, as well as aggregate processing, concrete plants and irrigation systems. The housing bolts to steel or concrete structures, and the insert bearing keeps the shaft turning smoothly even when minor misalignment is present.
Selection should account for shaft diameter, the radial and axial loads the application will produce, and the surrounding environment. The insert seal keeps dust and moisture away from the rolling elements, so in dirty areas or where washdowns are frequent, confirm which seal type the code carries. Installation means aligning the housing with the shaft and tightening the fastening screws. Lubrication in the insert is generally permanent, though severe duty may call for periodic relubrication.
Interchange is possible across brands, since insert bearing housings are offered under various nomenclatures. A SKF SYL unit can be swapped with similar-dimension products from other makers, but compare more than shaft diameter: check housing height and the spacing between mounting holes as well. MR Industrial Accessories supplies SKF and can point you to compatible options that fit your application.
Whether you are replacing a SYL housing or building new equipment, send the complete code by WhatsApp or email. We will confirm the right variant and prepare a quote.
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 TH suffix indicate on a SYL housing?
- TH is a variant code inside the SYL series, usually linked to the seal type or the housing material. Send us the full code and we will confirm what it means for that specific unit.
- How do I pick the right SYL size for my shaft?
- The number after SYL is the shaft diameter in millimeters. SYL 25 TH, for instance, fits a 25 mm shaft. Measure your shaft with a caliper and match it to the code.
- Are SKF SYL insert bearings lubricated at the factory?
- Yes, inserts in this series normally ship lubricated and sealed. High-load or high-temperature service may require periodic relubrication; share your operating conditions and we can advise.

