This 3/4 x 2 x 9/16 inch (1638-ZZ) bearing is an imperial deep groove ball bearing. The 1638-ZZ inner diameter is 3/4 in (19.05 mm), the 1638-ZZ outer diameter is 3/4 inch (50.8 mm), the 1638-ZZ width is 9/16 in (14.3 mm).
This bearing has non-contact metal shields on both sides to protect the bearing from dust or any possible contamination, which can extend bearing life, and retain the lubricant in the bearing.
NZ $13.60 each
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