SKF Bearing BC2B 316521

Product description of SKF Bearing BC2B 316521

SKF Bearing BC2B 316521, Category: SKF Bearing > Rolling bearings > Roller bearings > Cylindrical roller bearings > Double row. and we have related type you may also like SKF Bearing BC2B 319878.
SKF single row cylindrical roller bearings are available in many designs, series and sizes. The major design differences between the bearings presented in this section are in:
the cage design and material
the configuration of the inner and outer ring flanges
The most common designs of SKF Bearing BC2B 316521, single row cylindrical roller bearings are shown here.
NU design bearings
Have two integral flanges on the outer ring and no flanges on the inner ring Can accommodate axial displacement of the shaft relative to the housing in both directions Can be used together with an appropriate angle ring to stabilize the bearing in the axial direction (Appropriate angle rings)

N design bearings
Have two integral flanges on the inner ring and no flanges on the outer ring
Can accommodate axial displacement of the shaft relative to the housing in both directions
NJ design bearings , Have two integral flanges on the outer ring and one on the inner ring
Can accommodate axial displacement of the shaft relative to the housing in one direction only
Are used to locate the shaft axially in one direction
Can be used together with an appropriate angle ring to stabilize the bearing in the other axial direction (Appropriate angle rings)

NUP design bearings
Have two integral flanges on the outer ring and one integral flange and one non-integral flange, i.e. a loose flange ring, on the inner ring Are used to locate the shaft axially in both directions

Inch bearings
SKF Bearing BC2B 316521, The design of SKF inch bearings in the CRL and CRM series (product table) conforms to the metric N design. They are mainly used in the aftermarket and, therefore, SKF recommends not to use these bearings for new bearing arrangement designs.

Appropriate angle rings (thrust collars)
Are used with NU design bearings to locate the shaft axially in one direction.
Angle rings should not be used on both sides of NU design bearings as this can lead to axial clamping of the rollers.
Are used with NJ design bearings to locate the shaft axially in both directions (fig. 6)
Are made of carbon chromium steel
Are hardened and ground
Have a maximum axial run-out that is in accordance with the Normal tolerance class for the appropriate bearing
Are identified by the series designation HJ followed by the appropriate bearing dimension series and size
Are available as listed in the product table
Must be ordered separately

Reasons to design angle rings into a bearing arrangement include:
No NJ or NUP design locating bearings in the product range

To provide an extended inner ring seat for heavily loaded bearings in the locating position:
Full width inner ring seat of NJ design bearings with an HJ angle ring compared to NUP design bearings having a shorter inner ring and a loose flange
To simplify design or mounting procedures.

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