![]() ![]() I would wait for gearguru and let him find the infoįor you. In the example above, a bearing with nominal bore size 120mm will slide above the spline to its journal dia located behind the spline. The reason for this spline description is to give the designer the information, what size of part (most of the time bearing's bore) can be moved with some clearance ABOVE the spline. The "reference dia" is a theoretical diameter, slightly larger than major diameter on the shaft spline. N means "Nabe" (Hub, internal) W means Welle (Shaft, external) If only one spline is defined, the letter N or W are used before the reference diameter. The root shape (flat or full radius) can be also specified. Mdler: DIN 5480-ZW-C45 - Toothed Shafts DIN 5480, steel C45, milled. Mdler: DIN 5480-MUF-ZW-16MNCR5 - Hubs for splined Shaft DIN 5480, Material. This spline is "side fit" the OD or ID centered splines are described with more data. Mdler: DIN 5480-ABN-ZW-C45 - Flanged Hubs for Toothed Shafts DIN 5480, Ste. The spline specification looks like this:ĩH is tolerance on the hub (internal) splineĨf is tolerance on the shaft (external) spline. This mimics an earlier posting by gearguru: ![]()
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