# SKF 6309 2RSJEM Deep Groove Ball Bearing 45mm Bore Double Sealed C3 Clearance Machined Brass Cage - MROSupply.com ***SKF 6309 2RSJEM is a 45mm bore deep groove ball bearing, double sealed with NBR rubber seals on both sides. It features C3 greater-than-normal clearance and a machined brass cage for durability. Suitable for electric motors, pumps, and general industrial machinery.*** ## Product details: - Catalog number: 6309 2RSJEM - SKU: 320598 - Price: ***$107.30*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [SKF Bearing](https://www.mrosupply.com/brands/skf-bearing/) - Category: - [6300 Series Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/6300-series-ball-bearings/) - [Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/) - [Bearings](htts://www.mrosupply.com/bearings/) - Unit of measure: each - Weight: 1.920 lb ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - Basic Dynamic Load Rating: 55.3 kN - Basic Static Load Rating: 31.5 kN - Bearing Material: Bearing steel - Bearing Outer Ring Locating Feature: None - Bore Diameter: 45 mm - Bore Type: Cylindrical - Cage: Sheet metal - Clearance: C3 - Coating: Without - Dimension Type: Metric - Filling Slots: Without - Inner Diameter (mm): 45.000 - Limiting Speed: 4500 r/min - Locating Feature Bearing: None - Lubricant: Grease - Lubricant (in Bearing): Grease - Matched Arrangement: No - Material/Treatment: Bearing steel - Number of Rows: 1 - O.D. (in): 3.937 - Outer Diameter (mm): 100.000 - Pack Height: 106 mm - Pack Length: 104 mm - Pack Width: 29 mm - Radial Internal Clearance: C3 - Reference Speed: 15000 r/min - Relubrication Feature: Without - Seal Type: Contact - Sealing: Seal on both sides - Sealing Type: Contact - SKF Performance Class: SKF Explorer - Tolerance Class: Class P6 (P6) - Width (in): 0.984 - Width (mm): 25.000 ## Alternate products to `SKF 6309 2RSJEM Deep Groove Ball Bearing 45mm Bore Double Sealed C3 Clearance Machined Brass Cage - MROSupply.com`: - [NACHI 6309-2NSE9C3 Deep Groove Ball Bearing Single Row 45X100X25MM Two Seals Steel Cage C3 Clearance](https://www.mrosupply.com/products/207984/as-markdown/) - [SKF 6309-2RS1 is a 45mm 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, fans, and general industrial applications.](https://www.mrosupply.com/products/319934/as-markdown/) - [SKF 6309-2RS1/C3 is a 45mm 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, and general industrial applications.](https://www.mrosupply.com/products/319935/as-markdown/) - [Rollway 6309 2RS C3 EMQ 45 mm Bore Size, 100 mm Outside Diameter, Radial Ball Bearing, Straight Bore, Sealed, 52100 Bearing Steel, C3 Radial Clearance](https://www.mrosupply.com/products/5791932/as-markdown/) - [Koyo 6309 2RS is a 63 series single-row deep groove ball bearing with a 45 mm bore, 100 mm OD, and 25 mm width. It features double rubber seals (2RS) for contamination protection and a steel cage. Suitable for electric motors, pumps, and general industrial machinery.](https://www.mrosupply.com/products/1494954/as-markdown/) - [Koyo 6309 2RD is a 63 series single-row deep groove ball bearing with a 45 mm straight bore and 100 mm outside diameter. It features double rubber seals for contaminant protection. Suitable for electric motors, pumps, and general industrial rotating equipment.](https://www.mrosupply.com/products/1494953/as-markdown/) - [NSK 6309DDU sealed deep groove ball bearing with 45 mm bore. Double contact rubber seals (DDU) on both sides retain lubricant and exclude contaminants. Suitable for electric motors, pumps, fans, and general industrial applications.](https://www.mrosupply.com/products/5034236/as-markdown/) - [NTN 6309LLUC3/EM is a 63 series single-row deep groove ball bearing with a 45 mm straight bore. It features double contact rubber seals (NBR), a machined brass cage, and C3 internal clearance. Constructed from high carbon chrome steel, it is designed for electric motors, pumps, fans, and general rotating machinery.](https://www.mrosupply.com/products/278799/as-markdown/) ## Product's reviews: - Sales - GREAT PRODUCT CUSTOMER WILL PURCHASE AGAIN. - Rateing - Fast service and very good supply. - Buyer - perfect sevice - Excellent! - The perfect part… and FAST shipping! Thank you!! ## 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.