1209 Bearing 45x85x19mm
The 1209 bearing is a self-aligning ball bearing with an inner diameter of 45 mm , an outer diameter of 85 mm, a width of 19 mm. It typically uses p1 grade precision tolerances and open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Self-aligning ball bearing has two columns of steel ball, there are two inner ring raceway, the outer ring raceway is spherical shape, with automatic self-aligning performance. Can automatically compensate the deflection of shaft alignment errors caused by deformation and shell, is suitable for bearing seat hole can guarantee strict alignment section. This kind of bearings mainly take radial load, the bear radial load at the same time, can also carry a small amount of axial load, usually is not used for pure under axial load, such as subject to pure load, only a list of steel ball bearing.
Specific classification and model reference:
1, cylindrical hole self-aligning ball bearing (10000);
2, conical bore self-aligning ball bearing (10000 K);
3, with tight sleeves self-aligning ball bearing (10000 K + H10000 type)
Note: self-aligning ball bearings with cylindrical holes, tapered hole (10000 K) two kinds, mainly bear radial load, and can withstand axial load smaller shaft (shell) axial displacement limit within the clearance limit, with automatic self-aligning properties, allow the inner and outer relative tilt is not greater than -. Under the condition of normal work, suitable for bearing seat holes can't strictly ensure the alignment of parts.
3, with tight sleeves self-aligning ball bearing (10000 K + H10000 type)
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