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Otu
NA4912
Mpempe akwụkwọ mpịakọta agịga na-eji cylindrical rollers nwere oke ogologo ruo dayameta karịrị 4:1. Jiometry “dị ka agịga” a na-enyere ikike ibu radial pụrụ iche n'ime akụkụ obe dị oke ọnụ, na-enye arụmọrụ oghere dị elu ma e jiri ya tụnyere bọọlụ nha nha nha.
Ngwongwo Roller agịga
| ISO | NA4912 | |
| Obere dayameta | d | 60 mm |
| Dayameta nke ụzọ mgbanaka dị n'ime | F | 68 mm |
| Dayameta dị n'èzí | D | 85 mm |
| Obosara | B | 25 mm |
| Ndekọ ibu dị ike | C | 29.5 kN |
| Ndekọ ibu kwụ ọtọ | C0 | 51.8 kN |
| Na-amachi ọsọ | 2900r/min | |
| Ibu ibu | 0,427 n'arọ | |
Ndakpọ ihe owuwu
Isi ihe gụnyere:
- Mgbanaka Mpụta: Ọ na-ejikarị ụzọ ịgba ọsọ (ụdị enweghị oghere na-ahapụ mgbanaka elu)
- Rollers agịga: Nkenke-n'ala rollers na-ebufe ibu site akara kọntaktị
- Ụlọ: Brass / steel / polymer material spacing rollers (ụdị cageless na-ewepu onu)
- Mgbanaka imeNgwa nhọrọ (dịka ọmụmaatụ, ụdị NA nwere mgbanaka ime, ụdị RNA na-enweghị)
Sistemụ nhazi ọkwa
- Site na imewe: Mmeju zuru oke (ibu dị elu), caged (ike-ọsọ dị elu)
- Site na Ọrụ: Radial, mkpali, nchikota bearings
- Ụdị Pụrụ Iche: Flanged (n'ọnọdụ axial), aligning (nkwụghachi ụgwọ na-ezighị ezi)
Uru nka
| Njirimara | Uru Injinia |
| Akụkụ Ultra-slim | Na-echekwa oghere radial 60%. |
| Njupụta dị elu | 300% elu ikike vs. bọọlụ |
| Nguzogide ujo | Kọntaktị ahịrị na-ekesa nrụgide |
| Ntughari izizi | ± 0.03mm maka nkenke usoro |
| Mara: Mmachi ọsọ na-adịgasị iche site na ngwa ngwa |
Ngwa ụlọ ọrụ
- Ụgbọala: nnyefe (dịka JTEKT NK17/20), mkpanaka njikọ
- Robotics: nkwonkwo nkwonkwo (ụdị mmeju zuru oke juru ebe niile)
- Igwe ikuku: APU rotor nkwado bearings
- Ọgwụ: CT scanner gantry rotation (ụdị MRI-adịghị mma)
- Ihe owuwu: draịva hydraulic (Timken TOR 47)
Mgbanwe gburugburu
| Ọnọdụ | Ngwọta akwadoro |
| Okpomọkụ dị elu | Ihe mkpuchi seramiiki + oghere pụrụ iche |
| Mgbasa ozi na-emebi emebi | Igwe anaghị agba nchara zuru oke (SS suffix) |
| Ebe ndị mmeru | Akara kọntaktị egbugbere ọnụ abụọ (2RS) |
| Ọsọ dị oke elu | Ihe mkpuchi polymer + mmanu-ikuku mmanụ |
Kpọtụrụ anyị
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yueheng@vpkbearing.com
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+ 86-13863568175