Bearing and Gearbox Protection Rotary Seals

53K

<p>Mill Rotary Seal</p>

Designed to provide long lasting sealing and protective solutions that withstand high speeds and misalignment of large rolls in heavy industries

Product Advantages

  • Unique lip preloaded system with highly elastic garter-finger spring
  • Specially designed seal lips combined with auto-lubricated compound to reduce friction
  • Large shaft run-out compensation capability
  • Maintains lube oil film underneath the lip for longer seal life

Product Characteristics Parameters

Elastomers NBR70+PTFE FKM 70+PTFE
Material of metal case Fe-PO3 Fe-PO3
Material of steel filler ring Fe37 Fe37
Material of spring carrier AISI 301 AISI 301
Materials of garter spring AISI 316 AISI 316
Lubricating greases -20°C ─ 100°C (-4°F ─ 212°F) 20°C ─ 200°C (-4°F ─ 392°F)
Mineral oils -20°C ─ 100°C (-4°F ─ 212°F) -20°C ─ 200°C (-4°F ─ 392°F)
Surface speed m/s (ft/min) 25 (4921) 25 ─ 35 (4921 ─ 6889)
Technical pressure Mpa (psi)
53K, 53KW, 53KL, 53KHS 53KLPT
0.05 (7.25) 0.05 (7.25)
Technical pressure Mpa (psi) 53KHP 0.1 (14.5) 0.1 (14.5)
Size range mm (inch)** Seal OD 300 ─ 1200 (12 ─ 47) 300 ─ 1200 (12 ─ 47)
** Please contact your Chesterton representative for other sizes.