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Self-aligning ball bearing

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Self-aligning ball bearing

The self-aligning ball bearing has two structures of a cylindrical hole and a tapered hole, and the material of the cage is steel plate, synthetic resin and the like. The characteristic is that the outer ring raceway has a spherical shape and has self-aligning property, which can compensate for errors caused by different degrees of heart and shaft deflection, but the relative inclination of the inner and outer rings must not exceed 3 degrees.
It is mainly subjected to radial loads and can withstand small axial loads. The axial displacement of the shaft (outer casing) is limited to the clearance limit, and has automatic self-aligning performance, allowing normal operation under the condition that the inner and outer sides are relatively inclined, and is suitable for the parts in which the support seat hole cannot strictly guarantee the coaxiality.

Bearing model Brand d(mm) D(mm) B(mm) Weight(kg)
2308 NTN 40 90 33 -
1320K+H320 NTN 90 215 47 -
1307K+H307 NTN 30 80 21 -
1310K+H310 NTN 45 110 27 -
1313K+H313 NTN 60 150 33 -
1317K+H317 NTN 75 180 41 -
1322K+H322 NTN 100 240 50 -
1308K+H308 NTN 35 90 23 -
1306K+H306 NTN 25 72 19 -
1311K+H311 NTN 50 120 29 -
1309K+H309 NTN 40 100 25 -
1315K+H315 NTN 65 160 37 -
1312K+H312 NTN 55 130 31 -
1318K+H318 NTN 80 190 43 -
1316K+H316 NTN 70 170 39 -
1304K+H304 NTN 17 52 15 -
1319K+H319 NTN 85 200 45 -
1212K+H212 SKF 60 120 23 -
1212K SKF 60 110 22 -
2216K SKF 80 140 33 -