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Designation system for PD two-bearing housings

Examples and the applicable options for PD two-bearing housings are given below.

Basic bearing designation system


PDR 319wherePDR =
319 =

Applicable options

Test Designation 1
PDNHousing for normal radial and axial loads
PDPHousing for predominant or alternating axial loads
PDRHousing for heavy radial loads

Test Designation 2Size identification
2(00)Housing for bearings in the 62, 72, NU 2, NJ 22, NJ 23,
222 and 223 series
3(00)Housing for bearings in the 63, 73, NU 3 and NJ 3 series
..(00)Size code of the bearings, (00) x 5 = bearing bore diameter [mm]
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