1221 Self-aligning ball bearing
1221 (DIN 630);
1221 (GOST 28428-90).
The ball bearing consists of two rings (internal and external) and rolling elements (balls), connected with a cage - separator. Inner surface of rings has sperical form for free rings axial rotate.
Self-aligning ball bearing provide correct working than 2...3° axial distortion is.
|Weight W , kg||4.6|
|Inner diameter d , mm||105|
|Outer diameter D , mm||190|
|Total width T , mm||36|