Deep groove ball bearing 6305-rs-inox-c4-hybride ... - bearing 6305 rs
What is meant by “point and line contact”? You may have already heard that rolling bearings can be split into two types. The classification depends
Components of rolling bearings The basics of rolling bearing technology include the structure and function of rolling bearings. To get you started slowly, you will
The Deep Groove Ball Bearing, known as 6301-B15-2RSV Generic, has an inner diameter of 15 mm, an outer diameter of 37 mm and a thickness of 12 mm.
The Deep Groove Ball Bearing, known as 6301-B15-2RSV Generic, has an inner diameter of 15 mm, an outer diameter of 37 mm and a thickness of 12 mm.
Deep groove ball bearings are non-separable bearings with deep raceways that are suitable for supporting both radial and axial loads from both directions. Accordingly, they can also support complex loads. These are loads resulting from the combination of radial and axial forces. When balls are used as rolling elements, they are in point contact with the raceway surfaces. In rolling contact, only a small area is stressed with each overrolling, which means that only a small amount of heat is generated. Deep groove ball bearings are therefore particularly suitable for applications with high speeds. In addition, these bearings can be lubricated with grease or oil. Last but not least, deep groove ball bearings are available in many sizes and designs. A characteristic disadvantage of ball bearings, on the other hand, is that the load capacity is limited due to the point contact of the rolling elements. Furthermore, deep groove ball bearings are sensitive to impact loads and they may have a relatively low life expectancy.
A deep groove ball bearing can always be recognised by the code number 6. It can be divided into eight different dimensional series. The dimensional series is identified by the second (or third for 160) digit of the bearing designation and indicates the width and diameter series of the deep groove ball bearing in each case. Regardless of the dimensional series, it is usual that the cages for smaller sizes are made of sheet steel unless otherwise stated. For some deep groove ball bearing series (especially for large bearings and bearings for high speeds), solid cages are mainly used. Incidentally, there are fixed rules for the pronunciation of bearing designations: For example, a deep groove ball bearing with the code number 6307 is verbally referred to as “sixty three oh seven”.
The Deep Groove Ball Bearing, known as 6301-B15-2RSV Generic, has an inner diameter of 15 mm, an outer diameter of 37 mm and a thickness of 12 mm.
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.
Deep groove ball bearings are the most widely used bearing type They are used in many different ways in a wide variety of applications Suitable for high speed applications Bearing code: 6 Axial (thrust) deep groove ball bearings can only support axial loads and are not suitable for high speeds Sealed deep groove ball bearings have grooves in the bearing rings that allow seals to be fitted
Axial deep groove ball bearings usually have a contact angle of 90° and differ from standard deep groove ball bearings in that axial preload is necessary to prevent slippage between the rolling elements and the races. Bearings with a housing washer with a spherical outer diameter are basically able to compensate for misalignments that occur between the shaft and housing. Unlike radial ball bearings, axial deep groove ball bearings are not suitable for applications with high speeds.
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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.
Deep groove ball bearings of series 68, 69, 160 and 60 are equipped with a solid brass cage as standard at NTN for larger sizes.
In this context, some basics on the subject of seals are also important. It is helpful to know that for attaching a seal, the inner ring has a V-shaped groove. The seal is attached on the opposite side, i.e. on the outer ring, and extends to the groove. It depends on the design of the seal whether and to what extent it touches the inner ring at the groove. During the rotation of the bearing and the associated effect of the centrifugal force, the groove also serves to keep dirt on the outside. The grease in the bearing, on the other hand, is conveyed further inwards.
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".
A subgroup of deep groove ball bearings are thrust deep groove ball bearings. With regard to their design, the advantage is that these bearings are self-contained and consist of several parts (a shaft locating washer, housing locating washer, a ball and cage assembly). This makes it possible to install the parts separately. The shaft washer of the bearings has a ground bore; in contrast, the bore of the housing washer is larger and turned. Both washers also have formed rolling bearing raceways, also called running grooves. As with conventional deep groove ball bearings, sheet steel cages are often installed in axial deep groove ball bearings. However, the use of other cage materials is also possible here. Axial deep groove ball bearings must be radially floating.
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.
If you have read our article on rolling bearing basics, you probably already know that rolling bearings can basically be divided into two types –
Damn, bearing damage! If you consider that rolling bearings are exposed to continuous pressure and shear stress, this is nothing unusual to begin with. What
During the design of a bearing assembly, the topic of sealing will always accompany you. In the following material, we will cover both integrated and
Nothing works without lubrication: Every bearing runs with grease or oil lubrication, which is the basic prerequisite for avoiding metallic contact of the bearing components,
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.
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.
In its current form, the deep groove ball bearing has existed – subject to some optimisation – for about 150 years. However, deep groove ball bearings are not only one of the oldest rolling bearing designs, but also the most common bearing type and are therefore, so to speak, the classic among rolling bearings. They can be used in a wide variety of applications. Among other things, deep groove ball bearings are installed in electric motors, small gearboxes and PC drives. It is therefore very likely that you have already come into contact with deep groove ball bearings during your studies, training or career.
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.
Deep groove ball bearings are the most widely used bearing type They are used in many different ways in a wide variety of applications Suitable for high speed applications Bearing code: 6 Axial (thrust) deep groove ball bearings can only support axial loads and are not suitable for high speeds Sealed deep groove ball bearings have grooves in the bearing rings that allow seals to be fitted
As can be assumed from the name, these bearings can only support axial loads. Depending on the design, these axial forces may act on one or both sides, but the bearings are not capable of supporting radial forces. In terms of their design, double direction axial deep groove ball bearings have one or two differences compared to single direction bearings. Although there is a shaft locating washer, there are two housing locating washers and ball and cage assemblies. Last but not least, they can guide the shaft to both sides.