Figure 2: An angular contact bearing's key components: outer ring (A), inner ring (B), raceway (C), cage (D), and ball (E).

Deep grooveballbearing

The double-row angular contact ball bearing (Figure 4) is similar to two single-row bearings arranged back-to-back. In addition to radial and axial loads, they can absorb tilting moments. The advantages of double-row contact bearings include:

Single-row and tandem ball bearings provide one-directional thrust for axial loads. The contact angle guides the direction, which also determines the gradient of the combined load.

Super precisionbearings

Angular contact bearings can only support axial loads in one direction. Therefore, it's common practice to use a pair of these bearings mounted next to each other with the raceways tilting in opposite directions. An alternative is to use a double-direction angular contact valve, which is essentially two bearings joined together.

Back to back vs face to face bearing

The single-row bearing must be preloaded in the direction of the contact angle, as it can only handle axial loads in that direction. Two single-row bearings can be fitted in back-to-back, face-to-face, or tandem arrangements:

Nsk pdf

This is the indication of shore hardness. Shore hardness is a material hardness scale, usually between 70 and 90 for O-rings. The higher the number, the harder the material.

The sections above have primarily dealt with single-direction angular contact ball bearings. To summarize and add to that discussion:

The O-ring Seal with the reference OR-130X5-NBR80 has an inner diameter of 130 mm and a thickness of 5 mm. It is made of NBR.

Figure 3: Single-row angular contact bearing mounting methods: back-to-back (A), face-to-face (B), tandem (C), and the distance between the bearing center and loading point (D).

Thrust roller bearing

Example: OR-40X3-NBR90 Where OR = product type (O-ring or O-ring seal) 40X3 = inside diameter X thickness NBR = matter 90 = shore hardness Shore hardness is a material hardness scale, usually between 70 and 90 for O-rings. The higher the number, the harder the material.

To remove excess play during bearing installation, users sustain a load pressure called preloading. Angular contact bearings require preload because they have to work in the pre-defined direction for axial loads.

Angular contact bearings have inner and outer raceways that are slightly offset, resulting in the balls mounting at an angle, making them suitable for radial and axial loads. The angular contact ball bearing advantage is that the axial load-carrying capacity increases as the contact angle increases. This article covers the design and operation of these bearings, their different types, and their applications.

Cylindrical rollerbearings

Angular contact bearings are designed to handle combined radial and axial loads. Radial loads are perpendicular to the shaft and axial loads are parallel to the shaft. Read our complete rolling bearing guide to learn more about load types.

Angular contact bearings are chosen when both radial and axial loads need to be supported. Consider the following when selecting angular contact bearings:

The tolerances concerning the internal diameter, according to the ISO 3601-1:2008 standard, are determined with the following calculation:

Tapered rollerbearings

Because they can bear heavy loads, angular contact bearings are used for heavy machinery and agricultural equipment. These bearings help run pumps, electric motors, gearboxes, steel mills, windmills, conveyors, and other high-speed applications.

NSK Spherical Roller bearing pdf

The O-ring Seal with the reference OR-130X5-NBR80 has an inner diameter of 130 mm and a thickness of 5 mm. It is made of NBR.

Typical angular contact bearings are constructed to have a 15° to 25° contact angle between the raceway and rolling elements. The higher the contact angle, the higher the axial load the bearing can support.

An O-ring should not, in general, be too stretched. It is therefore preferable to take a dimension as close as possible to the groove diameter, if applicable.

The O-ring Seal with the reference OR-130X5-NBR80 has an inner diameter of 130 mm and a thickness of 5 mm. It is made of NBR.

These are the different types of rubber. Each material will be more or less suitable for a use. Refer to the following information: FOR OILS NBR = Nitrile = Butadiene rubber - Acrylonitrile        from -30°C to +120°C FPM = Viton = Fluorinated Rubber        from -20°C to +200°C MVQ = Silicone rubber        from -50°C to +210°C FOR HYDROCARBONS NBR = Nitrile = Butadiene rubber - Acrylonitrile        from -30°C to +120°C FPM = Viton = Fluorinated Rubber        from -20°C to +200°C FOR BRAKE FLUID EPDM = Ethylene Rubber - Propylene - Diene        from -40°C to +150°C FOR WATER EPDM = Ethylene Rubber - Propylene - Diene        from -40°C to +150°C  FOR MORE DETAILS ON THE MATERIALS, THEIR STRENGTHS AND LIMITS OF USE, REFER TO THE COMPLETE DESCRIPTION ON THE SEALED SEARCH PAGE

An angular contact bearing has an inner and outer raceway and spherical rolling elements rolling between the raceways. As seen in Figure 2, the raceways tilt towards the axial direction, so the contact angle between the balls and the raceways is inclined. This allows angular contact bearings to handle axial and radial loads at the same time.

A 4-point contact ball bearing is similar to a single-row angular ball bearing. It consists of an outer race that is flanked on both sides. The inner race is also flanked on both sides with a split in the middle and steel balls circled by a cage. The flanks, or flanges, are symmetrical, unlike single and double angular contact bearings.