Self-Aligning Ball Bearing 1221, 1221K, 1221M
The 1221 bearing is a Self-Aligning Ball Bearing with an inner diameter of 105 mm , an outer diameter of 190 mm, a width of 36 mm. It typically uses P5,P2 grade precision tolerances and open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Self-aligning ball bearings are constructed with the inner ring and ball assembly contained within an outer ring that has a spherical raceway. This construction allows the bearing to tolerate a small angular misalignment resulting from deflection or improper mounting. It is particularly suitable for applications where considerable shaft deflections or misalignment are to be expected. Additionally, the self-aligning ball bearing has the lowest friction of all rolling bearings, which enables it to run cooler even at high speeds.
The main types of self aligning ball bearings,
Open self sligning ball bearings of basic design
Sealed self aligning ball bearings
Open self aligning ball bearings with an extended inner ring
Self-Aligning Ball Bearing 1221
ID:105MM
OD:190MM
TH:36MM
1221, 1221K, 1221M
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