Mounting Precautions for Use Features Types Identification Number
for the OS type, or to fill the space between the two lips for the DS type, with bearing grease. □Precautions for Use. Fig.1. 1 For the single lip OS type, the lip has to face inward when using the seal to prevent grease leakage, and outward to prevent the penetration of foreign particles. The DS type of doublelips is effective for
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