SANS standard Troughing Idler’s Station for Load and Return 

① Diameter from 4''(102mm),4-1/2''(114mm) to 5''(127mm) 6''（152mm）

② Bearing Model : 6204-2RS,6205-2RS,6306-2RS

③ Shaft Diameter : Φ20mm Φ25mm Φ30mm

④ Materials 

Tube: Q235B Equivalent to SAE 1020 or A36 

Shaft: #45 or Q235A  or Stainless Steel ,Equivalent to SAE 1045 S316  

Bearing: 100% Chrome Steel/GCr15, Stainless steel, Ceramic, Nylon

Seals: Multi-stage labyrinth seal structure

Groove Type Support Bracket/Frame: Q235B Equivalent to SAE 1020 or A36 

⑤ T.I.R Radial Run-out Data :

when Face Length >750 ,  T.I.R≤0.65mm

when Face Length≤650 ,  T.I.R≤0.45mm

⑥ Rotation Drag: Test Result 2.3N < standard 2.5 KN      

⑦ Load capacity of the shaft: Test Result 8.9KN < standard 10KN