Page 84 - needle bearings
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Needle roller and cage assemblies for connecting rod bearings
                                                                                                              NTN



           Needle Roller and Cage Assemblies for connecting rod bearings


             These needle roller and cage assemblies are          direction fluctuate rapidly as well as under an high
           specially designed so as to be adaptable to the        temperature and strict lubrication environment.
           operating environmental conditions for the connecting  Therefore, special measures are manly undertaken for
           rods of small and medium reciprocal engines and        the cage structure, material and machining method so
           compressors.                                           that the needle roller and cage assemblies are
             The connecting rods are used under a severe          resistible to the said operating condition and
           operating condition wherein acting load magnitude and  environment.


                     Type of                               Applied shaft
            needle roller and cage assembly  Location  Cage type  diameter (mm)   Composition of nominal bearing number
            PK
                                                                         PK 20ʷ26ʷ13.8 ʷ 1

                                                                                             Tail code
                                                            П10ʙП38                          Width
                                                                                             Roller set outer diameter
                                                                                             Inscribed circle diameter
                                                                                             Type code
                                           Machined ring type
            GPK
                                                                         GPK 20 ʷ 26 ʷ 13.8 X
                                       Large end side       П10ʙП38                          Tail code

                                                                                             Width
                                                                                             Roller set outer diameter
                                                                                             Inscribed circle diameter
                                                                                             Type code

            KMJʝS
                                                                         KMJ 10 ʷ 14 ʷ 8.8 S
                                                                                             Tail code
                                            Welded type     П10ʙП38                          Width
                                                                                             Roller set outer diameter
                                                                                             Inscribed circle diameter
                                                                                             Type code

            KBK
                                                                         KBK 14 ʷ 18 ʷ  17


                                           Machined ring type  П7ʙП25                        Width
                                                                                             Roller set outer diameter
                                                                                             Inscribed circle diameter
                                       Small end side                                        Type code


            KVʝS                                                         KV 8 ʷ 11 ʷ 8 S V4
                                                                                             Tail code
                                                                                             Tail code
                                            Welded type     П7ʙП100                          Width
                                                                                             Roller set outer diameter
                                                                                             Inscribed circle diameter
                                                                                             Type code











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