{"product_id":"60-rockwell-hard-steel-spacer-8x12-4537","title":"8x12x12.5mm Steel Sleeve Bushing - Harended \u0026 Machined","description":"\u003cp\u003e\u003cstrong\u003eHardened Steel Spacer Bushing Sleeve - 60 HRC\u003c\/strong\u003e\u003cbr\u003e✔️ 8mm x 12mm x 12.5mm - Precision Ground - One Piece\u003c\/p\u003e\n\u003cp\u003eThis hardened steel spacer bushing sleeve features a 60 HRC surface hardness, making it ideal for high-wear, high-precision applications. Perfect as an inner ring, sleeve spacer, or support bushing in machinery and rotating assemblies.\u003c\/p\u003e\n\u003cp\u003e✅ Inner diameter (ID): 8mm\u003cbr\u003e✅ Outer diameter (OD): 12mm\u003cbr\u003e✅ Width: 12.5mm\u003cbr\u003e✅ Material: Hardened steel\u003cbr\u003e✅ Surface hardness: 60 HRC\u003cbr\u003e✅ Metric standard sizing\u003cbr\u003e✅ Ideal for shafts, sleeves, and load-distributing support\u003cbr\u003e✅ Quantity: 1 bushing\u003c\/p\u003e\n\u003cp\u003e💡 \u003cstrong\u003eWhy use hardened spacer bushings in mechanical setups?\u003c\/strong\u003e\u003cbr\u003eHardened spacer bushings provide accurate spacing, wear resistance, and support between components - especially where shaft alignment and rotation are critical. Their hardness resists deformation and prolongs lifespan in high-load applications.\u003c\/p\u003e\n\u003cp\u003eA durable, precision-fit component for reinforcing and spacing parts in rotating or load-bearing systems.\u003c\/p\u003e","brand":"vendor-unknown","offers":[{"title":"Default Title","offer_id":49313265975489,"sku":"8x12x12-5-STEEL-SPACER","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0828\/0955\/3089\/files\/60-rockwell-hard-steel-spacer-8x12x12-5mm-vxb-ball-bearings-32681302261995_3eae52f7-8216-41e2-b352-c7fb958e8f8b.jpg?v=1748647355","url":"https:\/\/smallbearings.com\/zh\/products\/60-rockwell-hard-steel-spacer-8x12-4537","provider":"Small Bearings","version":"1.0","type":"link"}