Codex 30x42x5.7mm Oil Seal Metric  £2.77


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Codex Logo30x42x5.7mm Oil Seal R21/SC, Metric

Style: R21

Quality:  High

Material: NBR Nitrile

Lips: Single

Springs: Single

Dimensions: 30x42x5.7 (mm)

Inside Diameter:  30mm
Outside Diameter:  42mm
Width:  5.7mm

 Alternative Codes for Single Lip R21:    CB - SC - A - DG - 827N - BA - A103 - WA

Rotary shaft seals provide sealing and wiping functionality for rotating and swiveling movements under low pressure and high velocity. They perform two essential functions: the primary function is to retain the bearing or system lubricant in the system to avoid leakage, and the secondary function is to preclude any contamination of the system by external particles or other environmental factors. Radial shaft seals typically consist of a metal insert and an elastomer diaphragm with a spring-energised sealing lip.