Standard 12-20 0841/1-02252 turntable ball bearing with internal gear
Model no.:12-20 0841/1-02252
structure:four point contact slewing ball bearing
gear option:internal gear
material:42crmo/50mn/custom
Da(outer diameter, outer ring):916mm
di(inner diameter, inner ring):736mm
Di(inside diameter, outer ring):845.5mm
da(outside diameter, inner ring):842.5mm
G(weight):69kgs
La(pitch circle diameter, outer ring):890mm
Na(number of holes, outer ring):40-φ14
Li(pitch circle diameter, inner ring):805mm
ni(number of holes, inner ring):40-M12
Gearing and tooth forces:
d0(pitch circle diameter):752mm
m(module):8
z2(number of teeth):94
fz norm(permissible tooth force):28kN
fz max(maximum permissible tooth force):50.5kN
Loading ratings:
Static
Co rad:519kN
C0 ax:1212kN
Dynamic
C rad:204kN
C ax:205kN
Luoyang MC Bearing Technology Co.,Ltd (LYMC),who is manufacture located in bearing zone, focus on Slewing bearing, cross roller bearing and pinion,Dia from 50mm-8000mm, Certificated has 3.1,3.2,ABS,CCS.Our team with technical and full experience in the bearing industry. And with a worldwide network, allows us to resolve any bearing issue for you. LYMC bearings are the perfect alternative to the most common and well-known brands.
Four-point contact ball slewing turntable bearings consist of two ring seats. Compact structure, light weight, steel ball and arc track contact at four points, can bear axial force,radial force and overturning moment at the same time, has strong dynamic load.
More type we manufacture:
12-20 0311/1-02202
12-20 0411/1-02212
12-20 0541/1-02222
12-20 0641/1-02232
12-20 0741/1-02242
12-20 0841/1-02252
12-20 0941/1-02262
12-20 1091/1-02272
Any interests or inquiry, please contact us freely~













