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These suffixes mean "with 1 or 2 sheet metal deflectors", for dust-tightness. At 123Roulement, we specify whether the bearing is sealed on 2 sides with "ZZ".

Means "increased internal clearance". Often referred to as high-speed, this means that the bearing is designed for high rotational speeds and moderately high temperatures. CAUTION: a bearing with increased internal clearance will not operate optimally at low speeds. Please refer to the data sheet for the bearing you are looking for to find out its rotation speed limit.

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The Deep Groove Ball Bearing, known as 6308-2RS-SKF SKF, has an inner diameter of 40 mm, an outer diameter of 90 mm and a thickness of 23 mm.

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Why Choose an Open Ended Ball Bearing?Open bearings have an open side where the balls are visible. This means they do not have a seal or shield. Open bearings are ideal for environments where they won’t come into contact with dirt as this could disrupt the bearing. Open ball bearings instead allow the lubricant inside to travel freely around the bearing for smooth running. Why Choose a Single Row Deep Groove Ball Bearing?This type of ball bearing it often the most popular because of its versatility. They are ideal for high speeds and can handle a good radial load capacity, all will very little maintenance required. “Deep Groove” refers to the race (the groove where the balls rest). There is therefore a larger space between the inner and outer rings, than the diameter of the ball. This leaves space for the rubber seals.Why choose a steel ball bearing?Steel is the perfect material for ball bearings as it provides strength and reliability whilst being corrosion-resistant. Steel ball bearings are suitable for installing as they require very little maintenance and are designed to last.

The Deep Groove Ball Bearing, known as 6308-2RS-SKF SKF, has an inner diameter of 40 mm, an outer diameter of 90 mm and a thickness of 23 mm.

These suffixes indicate that the cage (the part of the bearing that holds the balls apart) is made of polymer material. Usually made of glass-fiber-reinforced polyamide.

The Deep Groove Ball Bearing, known as 6308-2RS-SKF SKF, has an inner diameter of 40 mm, an outer diameter of 90 mm and a thickness of 23 mm.

This suffix indicates that the bearing is designed for very high operating temperatures. In general, the temperature is indicated after this suffix.Beware, these bearings are not suitable for all applications, and will require a high temperature for optimum service life.

A stainless steel bearing is generally magnetizable, as it is made from AISI 420 stainless steel, which is harder and more shock-resistant than standard stainless steel (AISI 304).To check whether your bearing is made of stainless steel, simply read the reference engraved on the side of the bearing. This reference should begin with the prefix "S" meaning "Stainless Steel".

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This range of ball bearings from SKF are deep groove metric ball bearings with an open end. They are extremely versatile for a wide range of applications.SKF single row, deep groove ball bearings are available with an inner diameter from 3mm to 95mm, so you will be sure to find a ball bearing for your application.

The ABEC standard is used to classify bearings according to their machining tolerance. This standard is regularly called into question because it does not include certain technologies that are important for guaranteeing proper operation, both in terms of efficiency and bearing life.123Roulement therefore makes little use of this standard.

Why Choose an Open Ended Ball Bearing?Open bearings have an open side where the balls are visible. This means they do not have a seal or shield. Open bearings are ideal for environments where they won’t come into contact with dirt as this could disrupt the bearing. Open ball bearings instead allow the lubricant inside to travel freely around the bearing for smooth running. Why Choose a Single Row Deep Groove Ball Bearing?This type of ball bearing it often the most popular because of its versatility. They are ideal for high speeds and can handle a good radial load capacity, all will very little maintenance required. “Deep Groove” refers to the race (the groove where the balls rest). There is therefore a larger space between the inner and outer rings, than the diameter of the ball. This leaves space for the rubber seals.Why choose a steel ball bearing?Steel is the perfect material for ball bearings as it provides strength and reliability whilst being corrosion-resistant. Steel ball bearings are suitable for installing as they require very little maintenance and are designed to last.

Some bearings are available with more or less important variants (high or low internal clearance, special grease, very high temperature, etc.). These variants are systematically indicated by prefixes and suffixes in the part number.For example, the suffix "2RS" means that the bearing is splash-proof, thanks to a sealing flange on both sides of the bearing.The suffix "C3" means that the bearing has increased internal clearance, and will require a higher operating temperature, or a higher rotation speed.

These suffixes mean "with 1 or 2 rubber seals". At 123Roulement, we use the number "2" to specify when the bearing is sealed on both sides.

This range of ball bearings from SKF are deep groove metric ball bearings with an open end. They are extremely versatile for a wide range of applications.SKF single row, deep groove ball bearings are available with an inner diameter from 3mm to 95mm, so you will be sure to find a ball bearing for your application.