FAG spherical roller bearing cages

The standard cages for FAG spherical roller bearings are shown in the table below.

Series Solid cage made from
Polyamide Brass
Guidance on inner ring TVPB Guidance by rollers Guidance on
inner ring outer ring
M MB MA
Bore code
213..-E1 04 to 07
19 to 22
- - -
222 - - from 38 -
222..-E1 - - - -
223 - - from 32 -
223..-A (T41A) - - - from 32
223..-E1 - - - -
223..-E1 (T41A, T41D) - - - -
230 - - from 44 -
230..-E1 up to 40 - - -
230..-E1A - up to 40 - -
231 - - from 40 -
231..-E1 up to 38 - - -
231..-E1A - up to 38 - -
232 - - from 38 -
232..-E1 up to 36 - - -
232..-E1A - up to 36 - -
233..-A (T41A) - - - from 20
239 - - from 36 -
240 - - from 44 -
240..-E1 - - - -
241 - - from 92 -
241..-E1 - - - -

FAG spherical roller bearings with a rigid central rib on the inner ring (design without suffix E1) have solid cages or sheet metal cages made from brass. Bearings with sheet metal cages do not have a cage suffix.

(1)Solid polyamide cage
(2)Solid brass cages
(3)Cage guidance on inner ring
(4)Cage guided by rollers
(5)Cage guidance on outer ring
Solid cages made from polyamide or brass
Semiconductors

In FAG bearings with the suffix MB, the solid brass cages are guided on the inner ring while, in bearings with the suffix MA, they are guided on the outer ring. FAG bearings with the suffix M have a roller-guided solid brass cage.

(1)Sheet steel cages
(2)Sheet brass cage
(3)Cage guidance on outer ring
(4)Cage guidance on inner ring
Sheet metal cages made from steel or brass
Semiconductors

FAG bearings of series 213..-E1, 222..-E1, 223..-E1, 240..-E1 and 241..-E1 without a cage suffix have sheet steel cages. The two cage halves are retained by a guidance ring in the outer or inner ring.

In spherical roller bearings of series 223..-E1, 240..-E1 and 241..-E1, all sheet steel cages have special protection against wear by means of surface hardening or coating.

The other bearings of E1 design have solid cages made from glass fibre reinforced polyamide 66 or solid brass cages (suffix TVPB or M)

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