688 Roller Skate Mini Bearings

{"id":2463034177,"title":"688 Roller Skate Mini Bearings","handle":"688-roller-skate-mini-bearings","description":"\u003cp\u003eThe Bont 688 Quad Mini roller skate bearing uses a nylon cage, ZZ shields, and nine steel balls made from GCr15 bearing steel. Its compact design helps reduce the weight of a wheel setup while maintaining smooth, consistent performance.\u003c\/p\u003e\u003cp\u003eBont \u003ca href=\"https:\/\/bont.com\/products\/167-688-roller-skate-mini-bearing-adapter\"\u003e167\/688 bearing adapters\u003c\/a\u003e fit over 688 mini bearings so they can be used in wheels designed for 608 bearings. Using mini bearings with the correct adapters can create a lighter setup with better acceleration.\u003c\/p\u003e\u003ch2\u003eSmall Bearings, Carefully Finished Running Surfaces\u003c\/h2\u003e\u003cp\u003eThe 688 mini bearing measures 8 x 16 x 5 mm and uses an 8 mm bore. Its compact outer diameter and width make it an option for skaters looking to reduce wheel-setup weight. Check axle size and wheel compatibility separately.\u003c\/p\u003e\u003ch3\u003eHow the Running Surfaces Are Finished\u003c\/h3\u003e\u003cp\u003eThe outer ring is finished through rough grinding, fine grinding, and honing. These are mechanical operations that remove material by grinding. There is no separate polishing process or additive treatment.\u003c\/p\u003e\u003ch3\u003eKeeping Its Shape Under Load\u003c\/h3\u003e\u003cp\u003eGCr15 bearing steel helps the bearing retain its shape under load. Correct wheel support, compatible components, and proper installation also matter for smooth running.\u003c\/p\u003e\u003ch2\u003eChoose the Correct Mini-Bearing Setup\u003c\/h2\u003e\u003cp\u003eA 688 bearing has a 16 mm outer diameter, while a 608 bearing has a 22 mm outer diameter. The mini bearing therefore needs a suitable adapter when used in a wheel designed for 608 bearings. Choose the bearings-only set if you already have the appropriate setup, or select the bearings-and-adapters option when you need both. Adapters and axle spacers serve different purposes; spacers are not included.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing type:\u003c\/strong\u003e 688 mini\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8 x 16 x 5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShields:\u003c\/strong\u003e ZZ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCage:\u003c\/strong\u003e Nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing steel:\u003c\/strong\u003e GCr15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall complement:\u003c\/strong\u003e 9 steel balls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.55 g per bearing for the old version; 3.61 g per bearing for the new version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e688 adapter weight:\u003c\/strong\u003e 3.56 g each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e688 spacer weight:\u003c\/strong\u003e 2.11 g each\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePack of 16 pieces.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpacers are not included.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFor the best results, seat the bearings squarely, use compatible components, and check that each wheel rolls freely after installation. Keep the bearings clean and correctly lubricated.\u003c\/p\u003e\u003cp\u003eFor more information about mini bearings, please check out this \u003ca href=\"https:\/\/bont.com\/blogs\/skate-news\/roller-skate-bearings\"\u003eroller skate bearing blog post\u003c\/a\u003e.\u003c\/p\u003e","published_at":"2016-01-18T02:19:00-05:00","created_at":"2015-11-11T04:12:11-05:00","vendor":"Bont","type":"Bearings-quad","tags":["abec 5","bearings","derby bearings","derby quad bearings","feed-gpc-499760","google-include","quad bearings","tech:buy-with-confidence"],"price":6400,"price_min":6400,"price_max":8300,"available":true,"price_varies":true,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":8275409793,"title":"Set of 16","option1":"Set of 16","option2":null,"option3":null,"sku":"BONT-688-MINI-PACK16","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"688 Roller Skate Mini Bearings - Set of 16","public_title":"Set of 16","options":["Set of 16"],"price":6400,"weight":200,"compare_at_price":null,"inventory_quantity":163,"inventory_management":"shopify","inventory_policy":"continue","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":38202611630256,"title":"Set 16 Bearings+Adapters","option1":"Set 16 Bearings+Adapters","option2":null,"option3":null,"sku":"BONT-688-MINI-PACK16BONT-167-MINI-PACK16-ADAPT","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"688 Roller Skate Mini Bearings - Set 16 Bearings+Adapters","public_title":"Set 16 Bearings+Adapters","options":["Set 16 Bearings+Adapters"],"price":8300,"weight":200,"compare_at_price":null,"inventory_quantity":163,"inventory_management":"shopify","inventory_policy":"continue","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-1259975512.png?v=1790473346","\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-39151839019256.jpg?v=1712058392","\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-set-of-16-4981869183089.jpg?v=1712055150","\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-4981869379697.jpg?v=1712055876","\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-4981869576305.jpg?v=1712055879"],"featured_image":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-1259975512.png?v=1790473346","options":["Set"],"media":[{"alt":null,"id":46222019723512,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1254,"width":1254,"src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-1259975512.png?v=1790473346"},"aspect_ratio":1.0,"height":1254,"media_type":"image","src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-1259975512.png?v=1790473346","width":1254},{"alt":"Bont-688-roller-skate-mini-bearings compact, low-friction bearings engineered for smooth speed, durability, and precision","id":33039138685176,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-39151839019256.jpg?v=1712058392"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-39151839019256.jpg?v=1712058392","width":1000},{"alt":"Bont-688-roller-skate-mini-bearings compact, low-friction bearings engineered for smooth speed, durability, and precision","id":33038879195384,"position":3,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-set-of-16-4981869183089.jpg?v=1712055150"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-set-of-16-4981869183089.jpg?v=1712055150","width":2000},{"alt":"Bont-688-roller-skate-mini-bearings compact, low-friction bearings engineered for smooth speed, durability, and precision","id":33038956953848,"position":4,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-4981869379697.jpg?v=1712055876"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-4981869379697.jpg?v=1712055876","width":2000},{"alt":"Bont-688-roller-skate-mini-bearings compact, low-friction bearings engineered for smooth speed, durability, and precision","id":33038957215992,"position":5,"preview_image":{"aspect_ratio":1.0,"height":2000,"width":2000,"src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-4981869576305.jpg?v=1712055879"},"aspect_ratio":1.0,"height":2000,"media_type":"image","src":"\/\/korea.bont.com\/cdn\/shop\/files\/688-roller-skate-mini-bearings-4981869576305.jpg?v=1712055879","width":2000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eThe Bont 688 Quad Mini roller skate bearing uses a nylon cage, ZZ shields, and nine steel balls made from GCr15 bearing steel. Its compact design helps reduce the weight of a wheel setup while maintaining smooth, consistent performance.\u003c\/p\u003e\u003cp\u003eBont \u003ca href=\"https:\/\/bont.com\/products\/167-688-roller-skate-mini-bearing-adapter\"\u003e167\/688 bearing adapters\u003c\/a\u003e fit over 688 mini bearings so they can be used in wheels designed for 608 bearings. Using mini bearings with the correct adapters can create a lighter setup with better acceleration.\u003c\/p\u003e\u003ch2\u003eSmall Bearings, Carefully Finished Running Surfaces\u003c\/h2\u003e\u003cp\u003eThe 688 mini bearing measures 8 x 16 x 5 mm and uses an 8 mm bore. Its compact outer diameter and width make it an option for skaters looking to reduce wheel-setup weight. Check axle size and wheel compatibility separately.\u003c\/p\u003e\u003ch3\u003eHow the Running Surfaces Are Finished\u003c\/h3\u003e\u003cp\u003eThe outer ring is finished through rough grinding, fine grinding, and honing. These are mechanical operations that remove material by grinding. There is no separate polishing process or additive treatment.\u003c\/p\u003e\u003ch3\u003eKeeping Its Shape Under Load\u003c\/h3\u003e\u003cp\u003eGCr15 bearing steel helps the bearing retain its shape under load. Correct wheel support, compatible components, and proper installation also matter for smooth running.\u003c\/p\u003e\u003ch2\u003eChoose the Correct Mini-Bearing Setup\u003c\/h2\u003e\u003cp\u003eA 688 bearing has a 16 mm outer diameter, while a 608 bearing has a 22 mm outer diameter. The mini bearing therefore needs a suitable adapter when used in a wheel designed for 608 bearings. Choose the bearings-only set if you already have the appropriate setup, or select the bearings-and-adapters option when you need both. Adapters and axle spacers serve different purposes; spacers are not included.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing type:\u003c\/strong\u003e 688 mini\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 8 x 16 x 5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShields:\u003c\/strong\u003e ZZ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCage:\u003c\/strong\u003e Nylon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing steel:\u003c\/strong\u003e GCr15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBall complement:\u003c\/strong\u003e 9 steel balls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.55 g per bearing for the old version; 3.61 g per bearing for the new version\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e688 adapter weight:\u003c\/strong\u003e 3.56 g each\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e688 spacer weight:\u003c\/strong\u003e 2.11 g each\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePack of 16 pieces.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpacers are not included.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFor the best results, seat the bearings squarely, use compatible components, and check that each wheel rolls freely after installation. Keep the bearings clean and correctly lubricated.\u003c\/p\u003e\u003cp\u003eFor more information about mini bearings, please check out this \u003ca href=\"https:\/\/bont.com\/blogs\/skate-news\/roller-skate-bearings\"\u003eroller skate bearing blog post\u003c\/a\u003e.\u003c\/p\u003e"}