Self Aligning Ball Bearings

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In a self-aligning bearing, the inner ring has two raceways and the outer ring has a single spherical raceway with its center of curvature coincident with the bearing axis. This allows the axis of the inner ring, balls and cage to deflect around the bearing center to automatically correct misalignment caused by housing and shaft machining or installation error.

Self-Aligning Double Row Ball Bearings are designed to work in applications where severe misalignment exists whether from mounting or shaft deflection.  The concave raceway of the outer ring in combination with two rows of balls operate over a wide range of contact angles.  Furthermore it aligns itself correctly with the shaft and assembly without causing undue stress on the rest of the bearing assembly.

Standard Self-Aligning Double Row Ball Bearings are produced with straight bores; however, tapered bores are available upon request.  Noteworthy is that the self-aligning ball bearing has the lowest friction of all rolling bearings, which enables it to run cooler even at high speeds.  Furthermore, the design allows for easy mounting and dismounting.

50 mm x 90 mm x 20 mm NSK 1210 K self aligning ball bearings

464 kN 55 mm
3 mm 304 kN

45 mm x 100 mm x 36 mm NTN 2309SK self aligning ball bearings

1.230 kN 160 mm
81.680 kN 1315  

40 mm x 90 mm x 23 mm ISO 1308K+H308 self aligning ball bearings

40.7 mm 22 mm
330 75 mm

75 mm x 190 mm x 45 mm SIGMA 10415 self aligning ball bearings

100.000 mm 1600 rpm
1.00 mm 120.00 mm

105 mm x 225 mm x 49 mm NSK 1321 self aligning ball bearings

EPR 14 387.35 mm
2 x 3/4-10 UNC 58.737 mm

15 mm x 35 mm x 11 mm KOYO 1202 self aligning ball bearings

230 kN 95.25 mm
5 39.688 mm

20 mm x 47 mm x 14 mm FAG 1204-K-TVH-C3 + H204 self aligning ball bearings

19.1 mm 82.6 mm
0.73 kg 98.4 mm

Toyana 1220 self aligning ball bearings

95 mm 0.3
0.4 80 mm

110 mm x 240 mm x 80 mm ISO 2322K+H2322 self aligning ball bearings

H7 0.5 m/s
0.08 180 mm

20 mm x 47 mm x 14 mm SKF 1204EKTN9 self aligning ball bearings

968 kN 2.1 mm
415 mm 1000 r/min