# Koyo 6208 2RS Deep Groove Ball Bearing - 40 mm Bore, Double Sealed, Steel Cage - MROSupply.com ***Koyo 6208 2RS is a 62 series single-row deep groove ball bearing with a 40 mm bore, 80 mm OD, and 18 mm width. It features double rubber seals (2RS) for contamination protection and a pressed steel cage. Suitable for electric motors, pumps, and general industrial rotating equipment.*** ## Product details: - Catalog number: 6208 2RS - SKU: 1494772 - Price: ***$43.07*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [Koyo Bearing](https://www.mrosupply.com/brands/koyo-bearing/) - Category: - [Single Row Angular Contact Bearings](htts://www.mrosupply.com/bearings/ball-bearings/angular-contact-ball-bearings/single-row-angular-contact-bearings/) - [Angular Contact Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/angular-contact-ball-bearings/) - [Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/) - [Bearings](htts://www.mrosupply.com/bearings/) - Unit of measure: each - Weight: 0.367 lb - UPC: 60579006363 ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - Bore: 1.575 in / 40 mm - Brand: KOYO - Enclosure Type: Contact Seal - Harmonized Tariff Code: 8482.10.50.68 - Inch - Metric: Metric - Inner Race Width: 0 Inch / 0 Millimeter - Internal Clearance: C0-Medium - Internal Special Features: No - Maximum Capacity / Filling Slot: No - Other Features: Deep Groove - Outer Race Width: 0.709 Inch / 18 Millimeter - Outside Diameter: 3.15 Inch / 80 Millimeter - Precision Class: ABEC 1 / ISO P0 - Rolling Element: Ball Bearing - Snap Ring: No - Type: Single Row Ball Bearings - UNSPSC: 31171504 ## Alternate products to `Koyo 6208 2RS Deep Groove Ball Bearing - 40 mm Bore, Double Sealed, Steel Cage - MROSupply.com`: - [SKF 6208 2RSJEM is a 40mm bore deep groove ball bearing, double sealed with NBR rubber seals, C3 clearance, and a machined brass cage. Suitable for electric motors, pumps, and general industrial applications.](https://www.mrosupply.com/products/320585/as-markdown/) - [NACHI 6208-2NSE9C3 Deep Groove Ball Bearing Single Row 40X80X18MM Two Seals Steel Cage C3 Clearance](https://www.mrosupply.com/products/207757/as-markdown/) - [SKF 6208-2RS1 is a 40mm bore deep groove ball bearing, double sealed with NBR rubber seals on both sides. It features a sheet metal cage and normal internal clearance. Suitable for electric motors, pumps, and general industrial applications.](https://www.mrosupply.com/products/320634/as-markdown/) - [SKF 6208-2RS1/C3 is a 40mm bore deep groove ball bearing, double sealed with NBR rubber seals on both sides and C3 greater-than-normal clearance. It features a pressed steel cage and is suitable for electric motors, pumps, fans, and general industrial applications.](https://www.mrosupply.com/products/320292/as-markdown/) - [NSK 6208DDU sealed deep groove ball bearing with 40 mm bore. Double contact rubber seals (DDU) on both sides provide effective contaminant exclusion and lubricant retention. Suitable for electric motors, pumps, fans, and general industrial applications.](https://www.mrosupply.com/products/5033769/as-markdown/) - [NSK 6208DDUC3 deep groove ball bearing with 40 mm bore. Double contact rubber seals (DDU) provide effective contamination protection. C3 internal clearance accommodates thermal expansion and interference fits. Suitable for electric motors, pumps, fans, and general industrial applications.](https://www.mrosupply.com/products/5033770/as-markdown/) - [NTN 6208LLUC3/EM is a 62 series single-row deep groove ball bearing with a 40 mm straight bore. It features double contact rubber seals (NBR) for contamination protection, C3 internal clearance for thermal expansion, and a machined brass cage. Constructed from high carbon chrome steel, it is suitable for electric motors, pumps, fans, and general rotating machinery.](https://www.mrosupply.com/products/279569/as-markdown/) - [NTN 6208LLUA1C3 is a 62 series single-row deep groove ball bearing with a 40 mm straight bore. It features double sealed (contact polyacrylic seal) protection, a stamped steel cage, and C3 internal clearance. Constructed from high carbon chrome steel, it is suitable for electric motors, pumps, fans, and general rotating machinery.](https://www.mrosupply.com/products/279572/as-markdown/) ## Product's reviews: - Great service - great items at great price - Admin assistance - good product! - Koyo roller bearing inner ring - Good product. ## FAQ: - How do I choose the right type of bearing for my application?: Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design. - What is the difference between deep groove and angular contact ball bearings?: Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors. Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes. If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.