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Steel sprocket with straight teeth and central bore for shaft · SKF PHS 40-1A35SS
Sprockets and gears SKF PHS 40-1A35SS

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Sprockets and gears SKF PHS 40-1A35SS

Manufacturer Part Number
PHS 40-1A35SS
Brand
SKFOfficial brand
Category
Power transmission
Subcategory
Sprockets and gears

SKF

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Description

SKF PHS 40-1A35SS is a sprockets and gears reference, within Power transmission. Request a quote for PHS 40-1A35SS via WhatsApp or email with the quantity you need; we respond promptly with lead time and equivalents.

SKF sprockets from the PHS …A…SS line are stainless steel sprockets for roller chains, designed to transmit motion in corrosive environments or where hygiene is required. They are used in machines that demand durability and low contamination, such as food processing, chemical or surface treatment equipment. MR Accesorios Industriales carries this line as part of its power transmission offering, with more than 80 years of experience in the field.

The designation PHS …A…SS reads as follows: PHS identifies the category of SKF sprockets for roller chains; the first number after the hyphen indicates the chain pitch (for example, 35 or 40); 1A indicates a single-strand sprocket, one row only; the next number is the number of teeth; and SS confirms the material is stainless steel. Thus, a PHS 40-1A30SS is a single-strand sprocket, pitch 40, 30 teeth, stainless steel. Examples in the series include sizes such as PHS 35-1A40SS, PHS 40-1A26SS and PHS 40-1A40SS, among others.

These sprockets are used in industries where corrosion or intensive cleaning is part of daily operations: food, beverage, pharmaceutical, chemical and water treatment. Also in packaging equipment, conveyors, mixers and machines that operate outdoors or undergo frequent washdowns. In Argentina, they are found in plants that need parts resistant to moisture and chemical agents, where a carbon steel sprocket would degrade quickly.

To select the correct sprocket, consider the chain pitch, the number of teeth and the shaft diameter. Verify that the bore and keyway match the shaft, and that the stainless material is compatible with the environment. During assembly, ensure precise alignment between sprocket and chain to avoid uneven wear; lubricate according to load and speed, and check tension. If the equipment is subject to washdowns, choose lubricants suitable for indirect food contact.

SKF PHS …A…SS sprockets can be interchanged with other brands that follow the same pitch and tooth count standard, provided the bore and hub dimensions match. Not all brands offer the stainless version, so it is advisable to verify the material and tolerance before replacing. Interchangeability depends on pitch, number of teeth and chain type; if in doubt, compare drawings or consult a specialist.

To request a quote for the sprocket you need, send the full part number via WhatsApp to MR Accesorios Industriales. If you don't have it on hand, provide the chain pitch, number of teeth and shaft diameter, and we'll help you identify it. With more than 80 years in the market, MR carries top-brand products and provides technical advice so you find the right part.

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 SS suffix mean in SKF PHS sprockets?
SS indicates the sprocket is made of stainless steel. This makes it suitable for corrosive environments or frequent washdowns, unlike carbon steel sprockets. Always verify that the stainless grade is compatible with the type of exposure.
How do I choose the number of teeth for my application?
The number of teeth depends on the transmission ratio you need and the available space. More teeth means lower speed and higher torque, but also larger diameter. Consult with us and we'll advise you based on your equipment.
Are SKF PHS sprockets interchangeable with other brands?
They can be interchangeable if the chain pitch, number of teeth and bore and hub dimensions match. Not all brands manufacture in stainless steel, so check the material. If in doubt, compare drawings or consult us.
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