ą¤¦ोą¤ø्ą¤¤ों ą¤ą¤ą¤े ą¤ą¤ø ą¤ą¤°्ą¤िą¤ą¤² ą¤®ें ą¤¹ą¤® ą¤Æे ą¤ाą¤Øेंą¤े ą¤ी ą¤¬ेą¤Æą¤°िंą¤ ą¤¹ोą¤¤ा ą¤्ą¤Æा ą¤¹े ? ą¤¬ेą¤Æą¤°िंą¤ ą¤ा ą¤ą¤Ŗą¤Æोą¤ ą¤्ą¤Æा ą¤¹े ? ą¤ą¤° ą¤Æे ą¤िą¤¤ą¤Øे ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी ą¤¹ोą¤¤ी ą¤¹े । ą¤¤ो ą¤ą¤²िą¤ ą¤ाą¤Øą¤¤े ą¤¹े।
What is bearing in Hindi। Types of bearing। 2024
ą¤¦ोą¤ø्ą¤¤ों ą¤µैą¤øे ą¤¤ो ą¤¬ेą¤Æą¤°िंą¤ ą¤ी ą¤Ŗą¤°िą¤ाą¤·ा ą¤ो ą¤ą¤¹ी ą¤¤ą¤°ą¤¹ ą¤øे ą¤øą¤®ą¤ाą¤Æा ą¤ा ą¤øą¤ą¤¤ा ą¤¹े ą¤²ेą¤िą¤Ø ą¤ą¤ ą¤®ें ą¤ą¤Ŗą¤ो ą¤¬ेą¤Æą¤°िंą¤ ą¤ी ą¤Ŗą¤°िą¤ाą¤·ा (Defination) ą¤ो ą¤ą¤Ŗą¤े ą¤¬ą¤ą¤Ŗą¤Ø ą¤øे ą¤ोą„ ą¤ą¤° ą¤øą¤®ą¤ाą¤Øा ą¤ाą¤¹ą¤¤ा ą¤¹ु, ą¤¤ाą¤ि ą¤ą¤Ŗ ą¤ą¤øे ą¤¬ेą¤¹ą¤¦ ą¤¹ी ą¤ą¤øाą¤Øी ą¤øे ą¤øą¤®ą¤ ą¤øą¤े | ą¤¤ो ą¤ą¤²िą¤ ą¤¬िą¤Øा ą¤øą¤®ą¤Æ ą¤ą¤µाą¤Æ ą¤ą¤े ą¤¬ą„ą¤¤े ą¤¹े।
ą¤¦ोą¤ø्ą¤¤ों ą¤ą¤Ŗą¤Øे ą¤ ą¤Ŗą¤Øे ą¤¬ą¤ą¤Ŗą¤Ø ą¤®ें ą¤ą¤ी ą¤Øा ą¤ą¤ी ą¤øाą¤ą¤िą¤² ą¤¤ो ą¤ą¤°ूą¤° ą¤ą¤²ाą¤ ą¤¹ोą¤ी ą¤ą¤° ą¤ ą¤ą¤° ą¤Øा ą¤ी ą¤ą¤²ाą¤ ą¤¹ो ą¤¤ो ą¤¦ेą¤ि ą¤¤ो ą¤¹ोą¤ी ą¤¹ी। ą¤ैą¤øा ą¤ी ą¤ą¤Ŗą¤ो ą¤Øिą¤े ą¤ą¤ø ą¤øाą¤ą¤िą¤² ą¤े ą¤¦ोą¤Øों ą¤ाą¤Æą¤°ो ą¤े ą¤¬िą¤ ą¤ो ą¤®ą¤¶ीą¤Ø ą¤²ą¤ी ą¤¦िą¤ ą¤°ą¤¹ी ą¤¹े ą¤¦ą¤°ą¤ ą¤øą¤² ą¤ą¤øे ą¤¹ी ą¤¬ेą¤Æą¤°िंą¤ ą¤ą¤¹ा ą¤ाą¤¤ा ą¤¹े।
What is bearing in hindi |
Definition of Bearing in Hindi
ą¤ ą¤ą¤° ą¤ą¤Ŗą¤ो ą¤ेą¤्ą¤Øिą¤ą¤² ą¤ाą¤·ा ą¤®ें ą¤ą¤øą¤ी ą¤µ्ą¤Æाą¤्ą¤Æा ą¤¦ू ą¤¤ो Bearing ą¤ą¤ machine element ą¤¹ै ą¤ो Relative motion ą¤ो Desired motion ą¤®ें change ą¤ą¤°ą¤Øे ą¤े ą¤²िą¤ constrain ą¤Æाą¤Øी ą¤ि ą¤µिą¤µą¤¶ ą¤ą¤°ą¤¤ा ą¤¹ै। ą¤ą¤° ą¤¦ो rotating parts ą¤े ą¤¬ीą¤ ą¤े friction ą¤ो ą¤ą¤® ą¤ą¤°ą¤¤ा ą¤¹ै ।
Bearing kya hai ?
Bearing ą¤ą¤ machine device ą¤¹ै ą¤ो power ą¤ो transmit ą¤ą¤°ą¤Øे ą¤े ą¤øाą¤„ ą¤øाą¤„ ą¤¦ो Rotating parts ą¤े ą¤¬ीą¤ ą¤े ą¤ą¤°्ą¤·ą¤£ (Friction) ą¤ो ą¤ी ą¤ą¤® ą¤ą¤°ą¤¤ा ą¤¹ै।
Bearing ą¤ा meaning ą¤ą¤øą¤े ą¤Øाą¤® ą¤®ें ą¤¹ी ą¤िą¤Ŗा ą¤¹ुą¤ ą¤¹ै। ą¤्ą¤Æा ą¤ą¤Ŗą¤Øे ą¤ą¤ी ą¤øोą¤ा ą¤¹ै ą¤ि ą¤¬ेą¤Æą¤°िंą¤ ą¤¶ą¤¬्ą¤¦ ą¤ą¤िą¤° ą¤ą¤¹ा ą¤øे ą¤ą¤Æा ą¤¹ै ?
ą¤¬ेą¤Æą¤°िंą¤ ą¤¶ą¤¬्ą¤¦ " to bear" verb ą¤øे ą¤²िą¤Æा ą¤ą¤Æा ą¤¹ै। ą¤िą¤øą¤ा ą¤®ą¤¤ą¤²ą¤¬ ą¤¹ोą¤¤ा ą¤¹ै "support" ą¤ą¤°ą¤Øा।
Types of bearing in Hindi।
1] plain Bearing:-
Plain Bearing ą¤øą¤¬ą¤øे simple bearing ą¤®ें ą¤øे ą¤ą¤ ą¤®ाą¤Øा ą¤ाą¤¤ा ą¤¹ै ।ą¤ą¤ø ą¤¬ेą¤Æą¤°िंą¤ ą¤ो Sliding bearing ą¤Æा ą¤«िą¤° Slide bearing ą¤ी ą¤ą¤¹ा ą¤ाą¤¤ा ą¤¹ै। ą¤ą¤ø bearing ą¤ि ą¤øą¤¬ą¤øे ą¤़ाą¤ø ą¤¬ाą¤¤ ą¤Æे ą¤¹ै ą¤ि ą¤ą¤øą¤®ें ą¤ोą¤ ą¤ी rolling elements ą¤Øą¤¹ीं ą¤¹ोą¤¤े ।
Plain bearing ą¤ी ą¤ुą¤² ą¤¤ीą¤Ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤े ą¤¹ोą¤¤े ą¤¹ै ।
- Integral Bearing
- Bushing Bearing
- Two piece Bearing
2] Rolling Element Bearing
ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी Bearing ą¤े ą¤ ंą¤¦ą¤° Races ą¤Æाą¤Øी ą¤ि bearing rings ą¤े ą¤¬ीą¤ ą¤®े rolling elements ą¤ą¤ø्ą¤¤ेą¤®ाą¤² ą¤िą¤ ą¤ाą¤¤े ą¤¹ै। ą¤¤ाą¤ि load ą¤ो ą¤ ą¤्ą¤े ą¤øे carried out ą¤िą¤Æा ą¤ा ą¤øą¤े।
Rolling elements ą¤ी ą¤ą¤¹ीं ą¤Ŗ्ą¤°ą¤ाą¤° ą¤े ą¤¹ोą¤¤े ą¤¹ै। ą¤ैą¤øे ą¤ि cylindrical Rollers, Tapered Rollers, needle Rollers, Spherical Rollers ą¤ą¤° Balls ą¤िą¤Øą¤ा use ą¤ą¤°ą¤े bearing ą¤े ą¤ ंą¤¦ą¤° rotation ą¤ą¤°ाą¤Æा ą¤ाą¤¤ा ą¤¹ै।
Rolling elements bearing ą¤ी 2 ą¤Ŗ्ą¤°ą¤ाą¤° ą¤े ą¤¹ोą¤¤े ą¤¹ै।
- Ball bearing
- Roller bearing
what is Ball bearing in Hindi
ą¤ą¤Ø ą¤¬ेą¤Æą¤°िंą¤ ą¤े ą¤ ंą¤¦ą¤° Races ą¤े ą¤¬ीą¤ ą¤®ें Balls ą¤²ą¤े ą¤¹ोą¤¤े ą¤¹ै। ą¤िą¤øą¤øे ą¤¬ेą¤Æą¤°िंą¤ ą¤®ें rotation ą¤¹ोą¤¤ा ą¤¹ै।
Industries ą¤®ें ą¤ ą¤ą¤° ą¤øą¤¬ą¤øे ą¤्ą¤Æाą¤¦ा ą¤ą¤ø्ą¤¤ेą¤®ाą¤² ą¤¹ोą¤Øे ą¤µाą¤²ी ą¤¬ेą¤Æą¤°िंą¤ ą¤ोą¤ ą¤¹ै ą¤¤ो ą¤µो ą¤¹ै ą¤¬ॉą¤² ą¤¬ेą¤Æą¤°िंą¤।
Types of ball bearing in Hindi।
1) Single row ball bearing
ą¤ैą¤øा ą¤ि ą¤ą¤øą¤े ą¤Øाą¤® ą¤øे ą¤¹ी ą¤Ŗą¤¤ा ą¤ą¤² ą¤ाą¤¤ा ą¤¹ै ą¤ि ą¤ą¤ single row ą¤े ą¤ ंą¤¦ą¤° balls ą¤ो arranged ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै।
2) Double row ball bearing
ą¤ą¤ø bearing ą¤®ें ą¤ुą¤² ą¤¦ो row ą¤¹ोą¤¤ी ą¤¹ै ą¤ą¤¹ां ą¤¦ोą¤Øों row ą¤®ें ballsą¤े arrangement ą¤िą¤ ą¤ाą¤¤े ą¤¹ै।
3)Angular contact ball bearing
ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤े bearing ą¤े balls ą¤ि arrangement ą¤ुą¤ angle ą¤Ŗे ą¤ी ą¤ाą¤¤ी ą¤¹ै । ą¤Æे ą¤ą¤øą¤²िą¤ ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै ą¤¤ाą¤ि bearing Axial load ą¤ą¤° Thrust load ą¤¦ोą¤Øो ą¤ो ą¤øą¤¹ą¤Ø ą¤ą¤° ą¤øą¤े।
4) Thrust ball bearing
Axis ą¤े parallel ą¤²ą¤ą¤Øे ą¤µाą¤²े load ą¤ो bear ą¤ą¤°ą¤Øे ą¤े ą¤²िą¤ ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी bearing ą¤ा ą¤ą¤ø्ą¤¤ेą¤®ाą¤² ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै।
5) Self aligning ball bearing
Journal load ą¤ो ą¤øą¤¹ą¤Ø ą¤ą¤°ą¤Øे ą¤े ą¤²िą¤ ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी ą¤¬ेą¤Æą¤°िंą¤ ą¤ा ą¤ą¤Ŗą¤Æोą¤ ą¤ą¤°ą¤¤े ą¤¹ै।
What is Roller bearing in Hindi
ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी ą¤¬ेą¤Æą¤°िंą¤ ą¤े ą¤ ंą¤¦ą¤° balls ą¤ि ą¤¬ą¤ाą¤Æ roller ą¤ा ą¤ą¤Ŗą¤Æोą¤ ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै । ą¤ą¤° ą¤Æą¤¹ ą¤¬ेą¤Æą¤°िंą¤ ball bearing ą¤े ą¤®ुą¤ाą¤¬ą¤²े ą¤्ą¤Æाą¤¦ा load ą¤ो carry ą¤ą¤°ą¤Øे ą¤ी ą¤्ą¤·ą¤®ą¤¤ा ą¤°ą¤ą¤¤ी ą¤¹ै।
Types of roller bearing in Hindi
1) Cylindrical roller bearing
ą¤ą¤ø ą¤¤ą¤°ą¤¹ ą¤ी bearing ą¤®ें Rolling elements ą¤े ą¤¤ौą¤° ą¤Ŗą¤° cylinder ą¤ा ą¤ą¤Ŗą¤Æोą¤ ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै। ą¤ą¤° ą¤ą¤øी ą¤¬ेą¤Æą¤°िंą¤ ą¤®ें load ą¤ो carry ą¤ą¤°ą¤Øे ą¤ी ą¤्ą¤·ą¤®ą¤¤ा ą¤ी ball bearing ą¤े ą¤®ुą¤ाą¤¬ą¤²े ą¤ ą¤§िą¤ ą¤¹ोą¤¤ी ą¤¹ै ą¤्ą¤Æू ą¤ी ą¤ą¤øą¤®ें roller ą¤ा surface ą¤े ą¤øाą¤„ line contact ą¤¹ोą¤¤ा ą¤¹ै ą¤ą¤¬ą¤ि ą¤¬ॉą¤² ą¤¬ेą¤Æą¤°िंą¤ ą¤®ें point contact ą¤¹ोą¤¤ा ą¤¹ै।
2) Spherical roller bearing:-
ą¤ą¤ø ą¤¤ą¤°ą¤¹ ą¤े ą¤¬ेą¤Æą¤°िंą¤ ą¤े ą¤ ंą¤¦ą¤° rolling element ą¤े ą¤¤ौą¤° ą¤Ŗे spherical roller ą¤ा ą¤ą¤Ŗą¤Æोą¤ ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै।
ą¤ą¤ø ą¤¤ą¤°ą¤¹ ą¤े ą¤¬ेą¤Æą¤°िंą¤ ą¤ा ą¤Ŗ्ą¤°ą¤Æोą¤ gear box ą¤Æा ą¤«िą¤° drilling or mining ą¤®ें ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै ।
3) Needle roller bearing:-
ą¤ą¤ø ą¤¤ą¤°ą¤¹ ą¤े ą¤¬ेą¤Æą¤°िंą¤ ą¤®ें Cylindrical Roller ą¤ा ą¤ą¤Ŗą¤Æोą¤ ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै । ą¤ą¤ø Cylindrical Roller ą¤ि length, cylinder ą¤े diameter ą¤øे 4 ą¤ुą¤Øा ą¤्ą¤Æाą¤¦ा ą¤¹ोą¤¤ी ą¤¹ै । ą¤ą¤° ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी bearing ą¤®ें surface contact area ą¤ी ą¤्ą¤Æाą¤¦ा ą¤¹ोą¤¤ा ą¤¹ै ą¤िą¤øą¤े ą¤ाą¤°ą¤£ ą¤µो ą¤्ą¤Æाą¤¦ा ą¤øे ą¤्ą¤Æाą¤¦ा Load ą¤ो carried out ą¤ą¤° ą¤øą¤े।
Needle bearing ą¤ा ą¤ą¤ø्ą¤¤ेą¤®ाą¤² pump yaa compressor ą¤®ें ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै ।
4) Taper roller Bearing:-
ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी ą¤¬ेą¤Æą¤°िंą¤ ą¤®ें roller ą¤ि arrangement ą¤ुą¤ angle ą¤Ŗे ą¤ी ą¤ाą¤¤ी ą¤¹ै, ą¤ą¤° ą¤ą¤øą¤²िą¤ ą¤ą¤øą¤े rollers ą¤„ोą¤”़े ą¤ुą¤े ą¤¹ोą¤Øे ą¤े ą¤ाą¤°ą¤£ ą¤ą¤ø ą¤¬ेą¤Æą¤°िंą¤ ą¤ो Taper Roller bearing ą¤Øाą¤® ą¤¦िą¤Æा ą¤ą¤Æा ą¤¹ै।
What is taper roller bearing in Hindi |
Taper roller ą¤¬ेą¤Æą¤°िंą¤ Axial load ( Thrust load) ą¤ą¤° Radial load ą¤¦ोą¤Øों ą¤ो ą¤øą¤¹ą¤Ø ą¤ą¤°ą¤Øे ą¤ी ą¤्ą¤·ą¤®ą¤¤ा ą¤°ą¤ą¤¤ा ą¤¹ै। ą¤ą¤øą¤²िą¤ ą¤ą¤ø bearing ą¤ा ą¤्ą¤Æाą¤¦ाą¤¤ą¤° ą¤ą¤Ŗą¤Æोą¤ Vehicle Wheel ą¤Æा ą¤«िą¤° Car ą¤®ें ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै ।
ą¤ą¤° ą¤¤ो ą¤ą¤° ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी ą¤¬ेą¤Æą¤°िंą¤ ą¤ा ą¤ą¤Ŗą¤Æोą¤ ą¤ंą¤”ą¤ø्ą¤्ą¤°ीą¤ ą¤®ें ą¤ी ą¤ą¤¹ीं ą¤ą¤ą¤¹ ą¤Ŗे ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै। ą¤ैą¤øे ą¤ि Taxtile ą¤®ą¤¶ीą¤Ø ą¤®ें ą¤ą¤ø्ą¤¤ेą¤®ाą¤² ą¤¹ोą¤Øे ą¤µाą¤²े Elecon ą¤®ें ą¤ी Taper roller bearing ą¤ा ą¤ą¤ø्ą¤¤ेą¤®ाą¤² ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै ।
5) Gear bearing:-
ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी bearing ą¤®ें Elliptical shape ą¤े gear ą¤ैą¤øी arrangement ą¤ि ą¤ाą¤¤ी ą¤¹ै। ą¤ą¤øą¤े ą¤Ŗीą¤े ą¤ा ą¤ाą¤°ą¤£ ą¤Æą¤¹ ą¤¹ै ą¤ि ą¤ą¤øी shape ą¤µाą¤²े gear ą¤ि efficiency ą¤्ą¤Æाą¤¦ा ą¤¹ोą¤¤ी ą¤¹ै। ą¤ą¤° ą¤ą¤øą¤øे sliding friction ą¤ी ą¤ą¤® ą¤¹ोą¤¤ा ą¤¹ै।
6) Fluid bearing:-
ą¤ą¤ø ą¤¤ą¤°ą¤¹ ą¤ी bearing ą¤ो ą¤़ाą¤ø ą¤¤ą¤°ą¤¹ ą¤ी bearing ą¤े ą¤°ूą¤Ŗ ą¤®ें ą¤Ŗą¤¹ेą¤ाą¤Øा ą¤ाą¤¤ा ą¤¹ै । ą¤्ą¤Æू ą¤ी ą¤ą¤ø bearing ą¤®ें load ą¤ो carry ą¤ą¤°ą¤Øे ą¤े ą¤²िą¤ Fluid ą¤ी ą¤®ą¤¦ą¤¦ ą¤²ी ą¤ाą¤¤ी ą¤¹ै ।
ą¤ą¤ø ą¤¬ेą¤Æą¤°िंą¤ ą¤®ें ą¤ोą¤ ą¤ी sliding friction ą¤Æा ą¤िą¤øी ą¤ी ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ा wear ą¤¦ेą¤ą¤Øे ą¤ो ą¤Øą¤¹ीं ą¤®िą¤²ą¤¤ा। ą¤ą¤° ą¤¤ो ą¤ą¤° ą¤ą¤ø ą¤¤ą¤°ą¤¹ ą¤ी bearing ą¤®ें ą¤ोą¤ vibration ą¤ी ą¤¦ेą¤ą¤Øे ą¤ो ą¤Øą¤¹ीं ą¤®िą¤²ą¤¤ा।
Fluid bearing ą¤ी ą¤ुą¤² 2 ą¤Ŗ्ą¤°ą¤ाą¤° ą¤े ą¤¹ोą¤¤े ą¤¹ै।
- Hydrodynamic fluid bearing
- Hydrostatic fluid bearing
3] Magnetic Bearing:-
ą¤ą¤ø ą¤¤ą¤°ą¤¹ ą¤ी bearing ą¤ो ą¤¬ाą¤ी ą¤¬ेą¤Æą¤°िंą¤ ą¤øे ą¤ ą¤²ą¤ ą¤ą¤° ą¤ ą¤Øोą¤ी ą¤®ाą¤Øी ą¤ाą¤¤ी ą¤¹ै ą¤्ą¤Æू ą¤ी ą¤Æą¤¹ ą¤ą¤ ą¤ą¤øी bearing ą¤¹ै ą¤ो ą¤¬िą¤Øा ą¤िą¤øी physical contact ą¤े shaft ą¤ो ą¤ुą¤®ाą¤¤ा ą¤¹ै ।
ą¤ą¤° ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी bearing ą¤ ą¤§िą¤ ą¤ą¤¤ि ą¤øे shaft ą¤ो ą¤ुą¤®ाą¤Øे ą¤ी ą¤¤ाą¤ą¤¤ ą¤°ą¤ą¤¤ा ą¤¹ै। ą¤ą¤® ą¤¤ौą¤° ą¤Ŗą¤° ą¤®ैą¤ą¤Øेą¤िą¤ ą¤¬ेą¤Æą¤°िंą¤ ą¤ी 2 ą¤Ŗ्ą¤°ą¤ाą¤° ą¤े ą¤¹ोą¤¤े ą¤¹ै।
- Active magnetic bearing
- Passive magnetic bearing
ą¤ą¤Øą¤®ें ą¤ø्ą¤„ाą¤Æी ą¤ुą¤®्ą¤¬ą¤ ą¤Ŗैą¤¦ा ą¤¹ोą¤¤ा ą¤¹ै। ą¤ą¤° ą¤ą¤øą¤ो ą¤ą¤²ाą¤Øे ą¤े ą¤²िą¤ ą¤ोą¤ ą¤µिą¤¦्ą¤Æुą¤¤-ą¤§ाą¤°ा ą¤¦ेंą¤Øा ą¤Øą¤¹ीं ą¤Ŗą¤”़ą¤¤ा।
ą¤ą¤Ø bearing ą¤ा ą¤्ą¤Æाą¤¦ाą¤¤ą¤° ą¤ą¤ø्ą¤¤ेą¤®ाą¤² ą¤ ą¤§िą¤ temperature ą¤µाą¤²े Area ą¤®ें ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै। ą¤ą¤° ą¤¤ो ą¤ą¤° ą¤ą¤ø ą¤Ŗ्ą¤°ą¤ाą¤° ą¤ी ą¤¬ेą¤Æą¤°िंą¤ ą¤®ें ą¤ą¤® ą¤øे ą¤ą¤® ą¤§ाą¤¤ु ą¤ा ą¤Ŗ्ą¤°ą¤Æोą¤ ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै।
5] Jewel bearing :-
ą¤Æे ą¤¬ेą¤Æą¤°िंą¤ ą¤ą¤ ą¤§ाą¤¤ु ą¤ø्ą¤Ŗिंą¤”ą¤² ą¤े ą¤øाą¤„ ą¤ą¤ø्ą¤¤ेą¤®ाą¤² ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै। ą¤ą¤° ą¤्ą¤Æाą¤¦ाą¤¤ą¤° ą¤ą¤øą¤ा ą¤Ŗ्ą¤°ą¤Æोą¤ ą¤Æांą¤¤्ą¤°िą¤ ą¤ą¤”़िą¤Æों ą¤®ें ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै। watches ą¤े ą¤ ą¤²ाą¤µा ą¤ą¤Ø ą¤¬ेą¤Æą¤°िंą¤ ą¤ा ą¤ą¤ø्ą¤¤ेą¤®ाą¤² gyroscopes ą¤®ें ą¤ą¤° ą¤ą¤® ą¤¤ौą¤° ą¤Ŗą¤° synthetic corundum ą¤®ें ą¤ी ą¤िą¤Æा ą¤ाą¤¤ा ą¤¹ै ।