--- product_id: 525150702 title: "18307RS Bearings, 18x30x7mm Ball Bearing 18307-2RS Double Rubber Sealed Shielded Bearing ID 18mm, OD 30mm, Thickness 7mm Pre-Lubricated Deep Groove Ball Bearing for 3D Printer, Scooters 4pcs" brand: "thsgivingstore" price: "¥3656" currency: JPY in_stock: true reviews_count: 3 category: "Ths Giving Store" url: https://www.desertcart.jp/products/525150702-18307rs-bearings-18x30x7mm-ball-bearing-18307-2rs-double-rubber-sealed store_origin: JP region: Japan --- # Thickness 7mm ID 18mm OD 30mm 18307RS Bearings, 18x30x7mm Ball Bearing 18307-2RS Double Rubber Sealed Shielded Bearing ID 18mm, OD 30mm, Thickness 7mm Pre-Lubricated Deep Groove Ball Bearing for 3D Printer, Scooters 4pcs **Brand:** thsgivingstore **Price:** ¥3656 **Availability:** ✅ In Stock ## Summary > 🔩 Elevate Your Performance with Every Spin! ## Quick Answers - **What is this?** 18307RS Bearings, 18x30x7mm Ball Bearing 18307-2RS Double Rubber Sealed Shielded Bearing ID 18mm, OD 30mm, Thickness 7mm Pre-Lubricated Deep Groove Ball Bearing for 3D Printer, Scooters 4pcs by thsgivingstore - **How much does it cost?** ¥3656 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/525150702-18307rs-bearings-18x30x7mm-ball-bearing-18307-2rs-double-rubber-sealed) ## Best For - thsgivingstore enthusiasts ## Why This Product - Trusted thsgivingstore brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Double Protection:** Double rubber seals keep lubricants in and contaminants out. - • **Precision Engineering:** Crafted from high-precision bearing steel for unmatched durability. - • **Factory Pre-Lubricated:** Ready to use right out of the box—no extra hassle! - • **Versatile Applications:** Perfect for 3D printers, scooters, and more—your go-to solution! - • **Low Friction, High Efficiency:** Experience reduced friction for faster speeds and less heat generation. ## Overview The 18307RS Bearings set includes four high-precision, double rubber sealed ball bearings designed for optimal performance in various applications, including 3D printers and scooters. With an inner diameter of 18mm, outer diameter of 30mm, and a thickness of 7mm, these pre-lubricated bearings ensure low friction and high efficiency, making them ideal for demanding environments. ## Description 18307RS Bearings, 18x30x7mm Ball Bearing 18307-2RS Double Rubber Sealed Shielded Bearing ID 18mm, OD 30mm, Thickness 7mm Pre-Lubricated Deep Groove Ball Bearing for 3D Printer, Scooters 4pcs: desertcart.com: Industrial & Scientific Review: Anillo al dedo - Perfect fit awsome Review: Perfect fit for Boost110 hub, longevity TBD... - These bearings fit perfectly as replacements for the original Bontrager 18307 18mm x 30mm x 7mm bearings in my Bontrager Rapid Drive Boost110 Front Hub (15mm thru axle) for my Bontrager Line Comp 30 front wheel (27.5") on my 2020 Trek Remedy 8 all-mountain bike. I hope these last as long as the originals (3k+ mid-Atlantic singletrack miles over 3+ years) having RS (removable rubber seals) rather than LLB (non-contact type rubber seals) or LLH (light contact rubber seals)... ## Features - Package includes: 4pcs 18307-RS deep groove ball bearings, inner diameter: 18mm, outer diameter: 30mm, thickness 7mm. - Material: The bearing is made of high-precision bearing steel, which is resistant to rust, deformation and good stability under heavy load. - Double rubber seal: prevent the leakage of lubricant in the bearing and prevent the intrusion of external dust, moisture, foreign matter and other harmful substances. Support harsh environment use. - Application: Rolling bearings are widely used in agricultural machinery, conveying equipment, robots, elevators, ship rudder shafts, skateboards, and inline skates. - Features: Smaller friction can make the engine speed higher, not easy to generate heat during operation, and improve work efficiency. The mute effect is good. The bearing oil has been filled in the factory, which is convenient to use. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B3F34ZWM | | Bearing Number | 18307RS | | Bearing Type | Ball Bearing | | Best Sellers Rank | #253,408 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,576 in Deep-Groove Ball Bearings | | Brand | ThsGivingStore | | Brand Name | ThsGivingStore | | Compatible Lubricant | Oil | | Customer Reviews | 4.6 out of 5 stars 21 Reviews | | Included Components | 18307RS | | Item Thickness | 7 millimeters | | Manufacturer | ThsGivingStore | | Material | High-precision bearing steel | | Material Type | High-precision bearing steel | | Model | ThsGivingStore | | Number of Items | 4 | | Outside Diameter | 30 millimeters | | Part Number | ThsGivingStore | | UPC | 756524663251 | | Unit Count | 4 Count | ## Images ![18307RS Bearings, 18x30x7mm Ball Bearing 18307-2RS Double Rubber Sealed Shielded Bearing ID 18mm, OD 30mm, Thickness 7mm Pre-Lubricated Deep Groove Ball Bearing for 3D Printer, Scooters 4pcs - Image 1](https://m.media-amazon.com/images/I/61BRIJaap1L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Anillo al dedo *by J***A on March 6, 2026* Perfect fit awsome ### ⭐⭐⭐⭐⭐ Perfect fit for Boost110 hub, longevity TBD... *by B***M on October 10, 2024* These bearings fit perfectly as replacements for the original Bontrager 18307 18mm x 30mm x 7mm bearings in my Bontrager Rapid Drive Boost110 Front Hub (15mm thru axle) for my Bontrager Line Comp 30 front wheel (27.5") on my 2020 Trek Remedy 8 all-mountain bike. I hope these last as long as the originals (3k+ mid-Atlantic singletrack miles over 3+ years) having RS (removable rubber seals) rather than LLB (non-contact type rubber seals) or LLH (light contact rubber seals)... ### ⭐⭐⭐⭐⭐ Producto económico *by J***O on December 14, 2024* Buen producto a excelente precio --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/525150702-18307rs-bearings-18x30x7mm-ball-bearing-18307-2rs-double-rubber-sealed](https://www.desertcart.jp/products/525150702-18307rs-bearings-18x30x7mm-ball-bearing-18307-2rs-double-rubber-sealed) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-09*