NU252-EM umqolo owodwa Cylindrical roller bearing
NU252-EM umqolo owodwa Cylindrical roller bearingiinkcukachaIinkcukacha:
Izinto eziphathekayo: 52100 Chrome Steel
Ulwakhiwo : Umqolo omnye
Uhlobo lwetywina : uhlobo oluvulekileyo
Ikheji: Ikheji yobhedu
Izinto zeCage : Ubhedu
Ukunciphisa isantya: 1680 rpm
Ubunzima: 66.64 kg
Engundoqo Imilinganiselo:
Bore diameter (d) : 260 mm
Idayamitha yangaphandle ( D) : 480 mm
Ububanzi (B) : 80 mm
Ubungakanani beChamfer (r) min.: 5.0 mm
I-Chamfer dimension (r1) min.: 5.0 mm
Ukufuduswa kwe-axial okuvumelekileyo (S ) ubuninzi.ubukhulu: 6.2 mm
I-Raceway idayamitha yeringi yangaphakathi (F) : 317.00 mm
Imilinganiselo yomthwalo oguqukayo (Cr) : 1206.00 KN
Imilinganiselo yomthwalo omileyo (Cor) : 1710.00 KN
ABUTMENT DIMENSIONS
Ububanzi begxalaba leshafti (da) min.ubukhulu: 280 mm
Ububanzi begxalaba leshafti (da) max.ubukhulu: 314 mm
Ubuncinci begxalaba le-shaft (Db) min.ubukhulu: 320 mm
Ububanzi begxalaba lezindlu (Da) max.ubukhulu: 460 mm
Ubuninzi bereyidi yokuphumla (ra) max : 4.0 mm
Ubuninzi bereyidi yokuphumla (ra1) max : 4.0 mm