Chesterton 52K Mill Rotary Seals

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Chesterton 52K Mill Rotary Seals
Radial Seals for Bearing and Gearbox Protection

  

​​​​​​​​​Availability: Europe, Middle East, Africa​​

Chesterton 52K seals are high performance radial seals for heavy duty, dynamic rotary seal applications. These seals provide long-lasting sealing and superior protection against ingress of solid particles, dust and fluids, protecting bearing houses and gearboxes across the heavy indiustries, even in the most hostile working environments.

High-performance elastomers provide resistance to compression setting, wear and aging. A broad range of engineered elastomers allow use in high and low-temperature c​onditions and provide excellent fluid compatibility.

The 52K is manufactured by compression molding technology, that provides accurate dimensional, geometrical tolerances. The unique design with a flexible stiffener ring ensures improved fitting in the seal cavity and allows installation in stuffing boxes without end covers. A helical garter spring maintains the seal lip contact and sealing force on the shaft.

According to industrial standards sizing, the 52K is a direct retrofit, which eliminates the need of equipment modification. The 52K is offered in different designs based on application requirements.

Typical Applications: Gear drives, back-up rolls in hot and cold mills, work rolls in hot and cold mills, pulp and paper industry, pumps, wind mill applications, rotary applications in cement plants

Long-lasting sealing and superior protection against ingress of foreign materials
High-performance elastomers ensure plant-wide usage and long service life
Unique lip design combined with autolubricated elstomer for low friction
Direct retrofit, eliminates equipment modification
Unique design with flexible stiffener ring ensures improved fitting
Elastomers NBR80+PTFE FKM70+PTFE
Material of metal caseC72 temperedC72 tempered C72 tempered
Materials of garter springAISI 302-316 AISI 302-316
Lubricating greases -30°C to 100°C (-22°F to 212°F)
-20°C to 200°C (-4°F to 392°F)
Mineral oils-30°C to 100°C (-22°F to 212°F)
-20°C to 200°C (-4°F to 392°F)
​Water 5°C to 100°C (41°F to 212°F)
5°C to 100°C (41°F to 212°F)
Surface speed m/s (ft/min) 15 (2952 ft/min)
25 (4921 ft/min)
Technical pressure MPa (psi) 0.05 (7.25)0.05 (7.25)
Size Range mm (inch)** Seal OD300 to 1200 (12 to 47)300 to 1200 (12 to 47)

 

 

Product Datasheet: 52K (English)http://chestertondocs.chesterton.com/RotatingPolymerSeals/24673_52K_PDS_Product_Data_Sheet.pdfProduct Datasheet: 52K (English)pdf