DGB BEARING IMPORTED LTD

NTN 6208 Bearing

 

Double row spherical roller bearings

A spherical roller bearing is a rolling-element bearing that permits rotation with low friction, and permits angular misalignment. Typically these bearings support a rotating shaft in the bore of the inner ring that may be misaligned in respect to the outer ring. The misalignment is possible due to the spherical internal shape of the outer ring and spherical rollers.[1] Despite what their name may imply, spherical roller bearings are not truly spherical in shape. The rolling elements of spherical roller bearings are mainly cylindrical in shape, but have a profile that makes them appear like cylinders that have been slightly over-inflated

Most spherical roller bearings are designed with two rows of rollers, allowing them to take very heavy radial loads and heavy axial loads. There are also designs with one row of rollers, suitable for lower radial loads and virtually no axial load. These are also called "barrel roller bearings" or "Tonnenlager" and are typically available in the 202- and 203-series.[5]

The internal design of the bearing is not standardised by ISO, so it varies between different manufacturers and different series. Some features that may or may not exist in different bearings are:lubrication features in inner or outer ring.central flange.guide ring or center ring.integrated seals,cage.

400 mm x 540 mm x 106 mm  NTN 23980 Double row spherical roller bearings
400 mm x 540 mm x 106 mm NTN 23980 Double row spherical roller bearings
35.5
34.987mm
NTN 23972EMD1 Double row spherical roller bearings
NTN 23972EMD1 Double row spherical roller bearings
3.05
150mm
380 mm x 520 mm x 106 mm  NTN 23976 Double row spherical roller bearings
380 mm x 520 mm x 106 mm NTN 23976 Double row spherical roller bearings
Open Type
1800
340 mm x 460 mm x 90 mm  NTN 23968 Double row spherical roller bearings
340 mm x 460 mm x 90 mm NTN 23968 Double row spherical roller bearings
3314m-nsk
2700
320 mm x 440 mm x 90 mm  NTN 23964L1 Double row spherical roller bearings
320 mm x 440 mm x 90 mm NTN 23964L1 Double row spherical roller bearings
355
0.02 KGS
320 mm x 440 mm x 90 mm  NTN 23964C4 Double row spherical roller bearings
320 mm x 440 mm x 90 mm NTN 23964C4 Double row spherical roller bearings
Open Type
0.12 KGS
320 mm x 440 mm x 90 mm  NTN 23964 Double row spherical roller bearings
320 mm x 440 mm x 90 mm NTN 23964 Double row spherical roller bearings
0.02 KGS
20000
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Double row spherical roller bearings
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