Background

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FTK Steel Carrying Rollers

Our quality standard is based on:

  • close tolerances and longitudinally welded carrying roller tubes made of S235JR steel in accordance with DIN 2458;
  • deep-drawn steel bearing retainers with calibrated bearing seats pressed in from the side and circularly welded, material thickness min. s = 2.00 mm;
  • RAL 3000 red powder-coated sheath, coating thickness min. 60 U;
  • 20 mm Ø round steel in accordance with ISO h9;
  • single-row radial steel ball bearings in accordance with DIN625 type 6204 with suitable grease filling and cover plates on both sides made of sheet steel – C3 bearing clearance.

The calculated service life of the ball bearings, assuming:

  • belt speed 2m/sec.
  • delivery capacity 200 t/he
  • bulk weight 0.75 t/m³
  • temperature range 0° C - 50° C

is 30,000 hours.

  • Steel circlip in accordance with DIN 471
  • Sealing using double labyrinth seal, incl. suitable grease filling, galvanized, sheet-steel sealing cap and plastic rain cap