4pcs/10pcs Si3N4 625 5*16*5mm silicon nitride full Ceramic deep groove ball bearing 5x16x5mm high speed abrasion resistant

4pcs/10pcs Si3N4 625 5*16*5mm silicon nitride full Ceramic deep groove ball bearing 5x16x5mm high speed abrasion resistant
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sku: 1005002944430292
$45.20
Shipping from: China
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