# SealMaster SF-18 2-Bolt Flange Bearing 1-1/8" Bore Set Screw Lock Gold Line - MROSupply.com ***SealMaster SF-18 2-bolt flange bearing unit, 1-1/8" bore, Gold Line. Cast iron housing with solid base, 52100 bearing steel insert, black oxide coated, set screw lock, standard felt seal. Pre-lubricated for general industrial applications.*** ## Product details: - Catalog number: SF-18 - SKU: 2255848 - Price: ***$132.18*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [SealMaster](https://www.mrosupply.com/brands/sealmaster/) - Category: - [4-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/4-bolt-flange/) - [Flanged Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/) - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/) - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/) - [Bearings](htts://www.mrosupply.com/bearings/) - Unit of measure: each - Weight: 2.950 lb - UPC: 662461003442 - Technicall support: contact supplier for technical support on 800-626-2120 ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - Ability to Relubricate: Yes - Bearing Insert Finish: Black Oxide Inner Ring - Bearing Insert Material: 52100 Bearing Steel - Bearing Type: Standard Duty - Bolt Size (in): 7/16 - Bolt Spacing (in): 3.25 - Bore Diameter (in): 1.125 - Bore Shape: Straight - Cage Material: PPS - Polyphenylene Sulfide - Cage Type: Land Riding Retainer - Dynamic Load Rating (lb): 4381 - End Cap: No - Fixed vs. Expansion: Fixed - Foot Height (in): 0.53 - Grease Fitting Thread Size: 1/4-28 - Height: 4.56 - Housing: Flange, Four Bolt - Housing Backside Inner Diameter: 2.88 - Housing Coating: Powder Coated - Housing Color: Black - Housing Construction: One Piece - Housing Material: Cast Iron - Housing Style: Flange Block - Inner Race Heat Treat Method: Zone-Hardened - Inner Ring OD (in): 1.594 - Insert: 2-12 - Length: 4.5 - Length Through Bore (in): 1.5 - Lubricant: Lithium Complex NLGI 2 Grease - Max Operating Temperature (F): 220 - Maximum Speed (RPM): 5450 - Misalignment Capability: ±2.0° Misalignment - Static Only - Misalignment Type: Static Only - Operating Temperature Range (F): -20 to 220 - Outer Ring Land Profile: Standard - Overall Height (in): 1.563 - Overall Length (in): 4.25 - Overall Width (in): 4.25 - Pilot Configuration: No Pilot - Radial Clearance: Standard - Rolling element: Ball Bearing - Seal: Felt Labyrinth Seal - Setscrew Torque (in-lbs): 85 - Shaft Locking Type: Set Screw - Size Code: 2-13 - Static Load Rating (lb): 2567 - Vibration Frequency Fundamental Train: 0.007 - Vibration Frequency Inner Ring Defect: 0.091 - Vibration Frequency Outer Ring Defect: 0.06 - Vibration Frequency Roller Spin: 0.039 - Width: 1.69 ## Product documents / software: - [Catalog Page](https://documents.mrosupply.com/product_documents/SF/SF-10-12C/MCC12004E_G49.pdf) - [Drawing](https://documents.mrosupply.com/product_documents/SF/SF-10-12C/SF.GIF) - [Instruction Sheet](https://documents.mrosupply.com/product_documents/SF/SFT-10/784106%2520Rev%25204.pdf) - [3D Drawing IGES](https://documents.mrosupply.com/product_documents/SF/SF-18/regalpts_beloit_EPTCAD-SF-18-DEFAULT_IYTNQVH.IGS) ## Alternate products to `SealMaster SF-18 2-Bolt Flange Bearing 1-1/8" Bore Set Screw Lock Gold Line - MROSupply.com`: - [Dodge 124204 F4B-SC-102 four-bolt flange mounted ball bearing with 1-1/8" bore, 65-degree set screw locking, standard duty cast iron housing, DualGuard seals with flingers, 206 series, non-expansion (fixed) design for general industrial applications.](https://www.mrosupply.com/products/130110/as-markdown/) - [Browning VF4S-218 767811 4-bolt flange mounted ball bearing with a 1-1/8-inch bore and set screw locking. The cast iron housing supports a 52100 bearing steel insert with a black oxide coated inner ring and a single lip contact seal with flinger. Suitable for conveyor head shafts, fan supports, and general industrial machinery.](https://www.mrosupply.com/products/2272068/as-markdown/) - [IPTCI UCF206-18 4-Bolt Flange Set Screw mounted ball bearing unit with 1-1/8" bore. Wide inner race insert with set screw locking. Cast iron housing. Standard lip seal. Suitable for standard industrial shafting applications.](https://www.mrosupply.com/products/217567/as-markdown/) - [Dodge 125528 F4B-VSC-102 four-bolt flange mounted bearing with 1-1/8" bore. Features set screw locking, cast iron housing, intermediate duty rating, and DualGuard sealing. Non-expansion fixed design for precise shaft positioning in general industrial](https://www.mrosupply.com/products/126898/as-markdown/) - [AMI UCF206-18 four-bolt flange mounted bearing unit with 1-1/8" (28.575mm) bore diameter. Cast iron housing with set screw locking mechanism. Wide inner ring chrome steel insert for normal duty applications. 200 series design.](https://www.mrosupply.com/products/17323/as-markdown/) - [Link-Belt F3S218E (mfg part 10409060) is a 4-bolt flange ball bearing with a 1-1/8" bore, set screw locking, and a cast iron housing. This intermediate-duty mounted ball bearing features a Buna single lip contact seal, nylon retainer, and C3 internal clearance. It is designed for fixed (non-expansion) mounting in general industrial applications such as conveyors and fans.](https://www.mrosupply.com/products/492125/as-markdown/) - [SKF FY 1.1/8 TF 2-bolt cast-iron square flange bearing unit for 1-1/8 inch shaft with set screw locking. The pre-lubricated insert bearing is housed in a durable cast-iron flange for reliable support in conveyor, fan, and general industrial applications.](https://www.mrosupply.com/products/326904/as-markdown/) - [PTI UCF206-18 is a 4-bolt square flange bearing unit with a 1-1/8 in. bore, part of the Silver Series for normal duty applications. The cast iron housing features set screw locking and a steel cage insert with lip seal. This non-expansion unit is suitable for moderate load and speed conditions.](https://www.mrosupply.com/products/2206286/as-markdown/) ## Product's reviews: - Excelent - excelent - Bearing - It was delivered on time - Response - Very knowledgeable sales rep. Excellent delivery time. Very important when supply chains are challenging. - Solutions - Fast service, and excellent competitive price. ## 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.