# SealMaster MSFT-20 Mounted Bearing Insert 1-1/4" Bore Set Screw Lock Felt Seal - MROSupply.com ***SealMaster MSFT-20 mounted bearing insert, 1-1/4" bore, set screw lock, standard felt seal. 52100 bearing steel insert for use in SealMaster two-bolt flange housings. Suitable for general industrial applications.*** ## Product details: - Catalog number: MSFT-20 - SKU: 2253745 - Price: ***$172.55*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [SealMaster](https://www.mrosupply.com/brands/sealmaster/) - Category: - [2-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/flanged-mounted-bearings/2-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: 3.250 lb - UPC: 662461001158 - 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 - Bearing Insert Material: 52100 Bearing Steel - Bearing Type: Medium Duty - Bolt Size (in): 1/2 - Bolt Spacing (in): 5.125 - Bore Diameter (in): 1.25 - Bore Shape: Straight - Cage Material: PPS - Polyphenylene Sulfide - Cage Type: Land Riding Retainer - Dynamic Load Rating (lb): 5782 - End Cap: No - Fixed vs. Expansion: Fixed - Foot Height (in): 0.56 - Grease Fitting Thread Size: 1/4-28 - Height: 5 - Housing: Flange, Two Bolt - 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): 1.859 - Insert: 2-14 - Length: 5 - Length Through Bore (in): 1.688 - Lubricant: Lithium Complex NLGI 2 Grease - Max Operating Temperature (F): 220 - Maximum Speed (RPM): 4650 - Misalignment Capability: ±2.0° Misalignment - Static Only - Misalignment Type: Static Only - Outer Ring Land Profile: Standard - Overall Height (in): 1.75 - Overall Length (in): 6.13 - Overall Width (in): 3.75 - Pilot Configuration: No Pilot - Radial Clearance: Standard - Rolling element: Ball Bearing - Seal: Felt Labyrinth Seal - Setscrew Torque (in-lbs): 125-165 - Shaft Locking Type: Set Screw - Size Code: 2-17 - Static Load Rating (lb): 3493 - 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: 2 ## Product documents / software: - [Catalog Page](https://documents.mrosupply.com/product_documents/MS/MSFT-16C/MCC12004E_Sec_G-55.pdf) - [Drawing](https://documents.mrosupply.com/product_documents/MS/MSFT-16C/MSFT.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/MS/MSFT-20/regalpts_beloit_EPTCAD-MSFT-20-DEFAULT_4bfRlnk.IGS) ## Alternate products to `SealMaster MSFT-20 Mounted Bearing Insert 1-1/4" Bore Set Screw Lock Felt Seal - MROSupply.com`: - [Dodge 126293 F2B-SCM-200 2-bolt flange mounted ball bearing with 2" bore, 65° set screw locking, medium duty cast iron housing, 211 series, non-expansion design with DualGuard seals and flingers, rated 4000 RPM for general purpose industrial applications.](https://www.mrosupply.com/products/123593/as-markdown/) - [Dodge 126287 F2B-SCM-107 two-bolt flange bearing with 1-7/16" bore, medium duty ball bearing insert, and 65° set screw locking. 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Non-expansion design, 5000 rpm maximum speed, relubrication capable.](https://www.mrosupply.com/products/123590/as-markdown/) - [Dodge 123874 P2B-SCB-203 two-bolt pillow block bearing with 2-3/16" bore, set screw locking, standard duty ball bearing insert, and cast iron housing. Non-expansion fixed design with DualGuard seals and flingers for reliable operation in general purpose applications. Maximum speed 4000 RPM, relubrication enabled, powder coated finish.](https://www.mrosupply.com/products/134089/as-markdown/) - [AMI UCFLX10-31 two-bolt flange bearing unit with 1-15/16" bore, set screw locking mechanism, and cast iron housing. Medium duty rating with chrome steel insert for industrial mounting applications.](https://www.mrosupply.com/products/9925/as-markdown/) ## Product's reviews: - Owner - Your shipment was quick and you have a great price on Sealmaster bearings. Your Gates and Browning Power Belts were higher than I expected. Great Service Great Price. We have to get right or get left in this market in this market. - Drum bearing - Very easy to order, arrived very quickly, We will be ordering more items from here in the future. - Excelent - excelent - Response - Very knowledgeable sales rep. Excellent delivery time. Very important when supply chains are challenging. ## 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.