7318 -B-MP-UA Angular Contact Ball B. by FAG
7318 -B-MP-UA Angular Contact Ball B. by FAG

FAG

Angular Contact Ball B. FAG 7318 -B-MP-UA

Technical data
 
Inner diameter
90 mm
Outer diameter
190 mm
Width
43 mm
Material
Standard bearing steel
Ball rows
Single row bearing
Seal
None, open bearing
Cage
Brass cage
Clearance
Normal radial clearance
Running accuracy
Tolerance class P0/PN2 / ABEC 1
Outer ring
Without flange/groove
Contact angle
40 degree
Arrangement
Bearing pair with a low axial clearance in O- and X-arrangement
Temperature range
-20 to +150 °C
Weight
5,72 kg
Scale quantity Your discount Unit price
2 20,70 € 393,23 €
5 41,39 € 372,54 €
413,93 €
exkl. MwSt, zzgl. Versandkosten

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Angular Contact Ball B. FAG 7318 -B-MP-UA
In Stock

Angular Contact Ball B. FAG 7318 -B-MP-UA

The FAG 7318 -B-MP-UA angular contact ball bearing, with its brass cage and main dimensions of 90 × 190 × 43 mm, provides a robust foundation for combined forces.

As a single-row rolling bearing, the 7318 -B-MP-UA angular contact ball bearing accommodates both radial and axial forces in one direction simultaneously. Thanks to its contact angle of 40 degrees, the component effectively transfers axial loads. Manufactured from standard rolling-element bearing steel 100Cr6, the raceways offer high dimensional stability during continuous industrial operation. As an open bearing, this design can be flexibly integrated into existing lubrication circuits using oil or grease.

What requirements does the 7318 -B-MP-UA angular contact ball bearing meet?

It is primarily used in shaft mountings where unidirectional axial forces occur in conjunction with transverse forces. Industrial applications involving high combined loads represent its primary area of use. Thanks to its standard radial clearance and manufacture to tolerance class P0/PN (equivalent to ABEC 1), the component is suitable for standardised fits. The permissible temperature range is from –20 to +150 degrees Celsius.

What are the advantages of a brass cage and universal pairing?

The solid brass cage (suffix MP) guides the rolling elements precisely and performs well under vibrations or demanding lubrication conditions. The suffix UA also indicates a universal design for installation in sets. If you fit two bearings of this type in pairs in an O or X arrangement, a defined, low axial clearance is automatically achieved without the need for shims. This simplifies assembly and promotes even load distribution within the bearing set.

What makes the 7318 -B-MP-UA angular contact ball bearing stand out?

This single-row angular contact ball bearing accommodates combined radial and axial forces thanks to its contact angle of 40 degrees. Fitted with a brass cage and manufactured from 100Cr6 rolling-bearing steel, the design is suitable for a temperature range of –20 to +150 degrees Celsius. The UA designation allows for direct installation in pairs in an O or X configuration.

What are the dimensions of the 7318 -B-MP-UA angular contact ball bearing?

The bore for the shaft seat is 90 mm, the outer diameter is 190 mm and the overall width is 43 mm. The outer ring is cylindrical, with no flange or groove. These standardised key dimensions enable a precise fit in standardised bearing housings to tolerance class P0.

What does the suffix ‘UA’ mean for this bearing?

The suffix ‘UA’ stands for a universal design for installation in pairs. If you position two identical bearings against each other in an O or X configuration, a defined, small amount of axial clearance is established without the need for additional adjusting rings. This simplifies the alignment of the bearing assembly and saves installation time during maintenance.

Why is a brass cage used in this version?

The brass cage, identified by the suffix ‘MP’, is characterised by high mechanical strength. It keeps the rolling elements stable within the raceways even when subjected to vibrations. This design is therefore suitable for demanding operating environments involving dynamic loads.

How is the open angular contact ball bearing 7318 -B-MP-UA lubricated?

As the bearing is supplied from the factory without seals, you should select the lubricant to suit the specific operating environment. Depending on the speed and design of the connected components, you can opt for oil lubrication or a specific grease filling. The housing design must prevent the ingress of dirt particles.

What is the purpose of the 40-degree pressure angle?

The contact angle describes the line of action of the forces between the raceways and the rolling elements. An angle of 40 degrees enables high axial forces to be absorbed in one direction whilst maintaining radial load-carrying capacity.

Schaeffler Technologies AG & Co. KG
Industriestraße 1-3, 91074 Herzogenaurach, Germany
info.de@schaeffler.com, https://www.schaeffler.de/de/meta/impressum/

10017594
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