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Steel sprocket with straight teeth and central bore for shaft · SKF PHS 60-1A21SS
SKF PHS 60-1A21SS sprockets and gears

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SKF PHS 60-1A21SS sprockets and gears

Manufacturer part numberPHS 60-1A21SSAlso known as: PHS601A21SS · PHS60-1A21SS · PHS 60 1A21SS
Brand
SKF
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Description

SKF PHS 60-1A21SS belongs to sprockets and gears, part of our Power transmission range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for PHS 60-1A21SS and any equivalents.

For roller chain drives that operate in wet, corrosive or frequently washed areas, SKF offers the PHS …A…SS series of stainless steel sprockets. These parts are built to keep motion transmission reliable where carbon steel would not last. MR Industrial Accessories supplies this line as part of its power transmission range for plants in the United States and Latin America.

The part number itself tells you most of what you need. PHS is the SKF family for roller chain sprockets. The number after the hyphen is the chain pitch, such as 35 or 40. Then comes 1A, which means a single-strand sprocket with one row of teeth. The next figure is the tooth count. Finally, SS confirms the material is stainless steel. So a PHS 40-1A30SS is a single-strand, pitch 40, 30-tooth sprocket in stainless steel. Other sizes in the series include PHS 35-1A40SS, PHS 40-1A26SS and PHS 40-1A40SS.

You will find these sprockets in food and beverage plants, pharmaceutical operations, chemical processing and water treatment. They also suit packaging lines, conveyors, mixers and equipment installed outdoors or cleaned often. Anywhere moisture or chemical agents are present, a stainless sprocket avoids the rapid deterioration you would see with carbon steel.

When selecting a sprocket, check the chain pitch, the number of teeth and the shaft diameter. Make sure the bore and keyway fit the shaft, and that the stainless grade is right for the environment. During installation, align the sprocket and chain carefully to prevent uneven wear. Lubricate according to the load and speed, and check chain tension regularly. If washdowns are frequent, use a lubricant suitable for incidental food contact.

SKF PHS …A…SS sprockets can replace other brands that use the same pitch and tooth count, as long as the bore and hub dimensions match. Keep in mind that not every manufacturer offers a stainless version, so confirm the material and tolerances before substituting. Interchangeability depends on pitch, tooth count and chain type. When in doubt, compare drawings or ask a specialist.

To get a quote, send the complete part number to MR Industrial Accessories via WhatsApp or email. If you do not have it, provide the chain pitch, number of teeth and shaft diameter, and we will help you identify the correct sprocket. Our team responds quickly and can suggest equivalents or assist with selection.

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 SS suffix mean on SKF PHS sprockets?
SS stands for stainless steel. This material resists corrosion and frequent washdowns better than carbon steel. Always check that the specific stainless grade is compatible with your operating environment.
How do I determine the right number of teeth?
The tooth count affects the transmission ratio and the sprocket diameter. Fewer teeth give higher speed and lower torque; more teeth do the opposite but take up more space. Contact us with your equipment details and we will help you choose.
Can SKF PHS sprockets be used in place of other brands?
They can be interchangeable if the chain pitch, number of teeth, bore and hub dimensions all match. Since not all brands make stainless steel sprockets, verify the material. If you are unsure, compare drawings or consult us.
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