Bearing and Gearbox Protection Rotary Seals

53K

Mill Rotary Seal

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.