Seals
CR 520x570x18 HDS7K H CR Radial shaft seals

TYPE: Seals for heavy industrial applications, With a rubber outside diameter, With spring-loaded sealing slip, Type HDS7K, material H-NBR/NEM (SKF)

Metric Imperial Dimensions, mmin d1 520,000 21,224 d 520,000 21,224 D 570,000 23,265 B 18,000 0,735 Type of construction HDS7K Material H Manufacturer: CR Interchange: SKF 520x570x18 HDS7K H CR CR 520x570x18 HDS7K H

Technical specification

Operating temperature min	-40 °C -40 °F
Operating temperature max	150 °C 302 °F
Permissible operating temperature, short periods max	170 °C 338 °F
Pressure differential max	0,100 Mpa 14,504 psi
Maximum shaft surface speed	25,000 m/s 4921,260 ft/min

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