# Dodge 124205 F4B-SC-103 Four-Bolt Flange Bearing 1-3/16" Bore Set Screw Standard Duty - MROSupply.com ***Dodge 124205 F4B-SC-103 four-bolt flange mounted ball bearing with 1-3/16" bore, set screw locking, standard duty, non-expansion design. Cast iron housing with powder coated finish, DualGuard seals with flingers, and relubrication capability. Maximum speed 6500 rpm. 206 series insert for general purpose applications.*** ## Product details: - Catalog number: F4B-SC-103 - SKU: 123311 - Price: ***$96.08*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [Dodge](https://www.mrosupply.com/brands/dodge/) - 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: 2.560 lb - Technicall support: contact supplier for technical support on +1-864-284-5700 ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - Application: General Purpose - Ball bearing series: 206 series - Bearing Series: 206 series ball bearing insert - Bearing type: Ball, ball - Bolt Diameter: 0.4375 in - Bolt to bolt max: 3.2500 in, 82.55 mm - Bolt to bolt min: 3.2500 in, 82.55 mm - Bore: 1 3/16 in - Bore Diameter: 1-3/16" shaft size - Bore length: 1.5200 in, 38.608 mm - Duty: Standard Duty - Duty Rating: Standard duty - Expansion: No - Expansion capability: Non-expansion (fixed) - Expansion Type: Non-expansion (fixed) bearing - Finish: Powder coated - Greasable: Yes - High temp: No - Housing: Stainless steel - Housing construction: Solid - Housing material: Cast iron - Housing Material: Cast iron - Housing option: Cast iron - Housing type: Four-bolt flange - Housing Type: Four-bolt flange mount - I.D.: 20 mm - Insert material: Steel - Insert option: Bearing steel - Insert type: Ball Bearing - Locking: Set screw - Locking Mechanism: 65-degree set screw - Lubrication type: Grease - Max RPM: 6500 rpm - Max Speed: 6, 500 RPM operating capability - Relubrication: Yes - Rolling element: Standard duty ball - Seal option: DualGuard seals with flingers - Sealing: DualGuard seal system - Sensor ready: Adapter required - Shaft: Nitrile rubber - Shaft attachment: Setscrew - Shaft diameter: 1.1875 in - Standoff housing: No - Suitable for high temperature: No - Suitable for washdown: No - Type: 4-bolt flange ## Product documents / software: - [Accessories](https://documents.mrosupply.com/product_documents/12/123858/Setscrew_Ball_Bearings_Accessories_Related_Products.pdf) - [Brochure](https://documents.mrosupply.com/product_documents/12/33/123311/328409_WbIgjfa.pdf) - [Dimensions ](https://documents.mrosupply.com/product_documents/12/124103/B4_54-55.pdf) - [Features](https://documents.mrosupply.com/product_documents/12/123858/Setscrew_Ball_Bearings_Features.pdf) - [Instruction Manual](https://documents.mrosupply.com/product_documents/12/33/123311/328412_kH3Jl1S.pdf) - [Nomenclature](https://documents.mrosupply.com/product_documents/12/123858/Setscrew_Ball_Bearings_How_to_Order_Nomenclature.pdf) - [Selection](https://documents.mrosupply.com/product_documents/12/123858/Setscrew_Ball_Bearings_Easy_Selection.pdf) - [2D DXF front](https://documents.mrosupply.com/product_documents/12/124205/baldor2d_124205_front_8SSuMkR.dxf) - [2D DXF right](https://documents.mrosupply.com/product_documents/12/124205/baldor2d_124205_right_iWaq1o8.dxf) - [2D DXF top](https://documents.mrosupply.com/product_documents/12/124205/baldor2d_124205_top_KxzY29d.dxf) - [3D DXF](https://documents.mrosupply.com/product_documents/12/124205/baldor_dxf3d_124205_5m5fmnp.dxf) - [3D PDF Datasheet](https://documents.mrosupply.com/product_documents/12/124205/baldor_pdf_124205_PYgCE9g.pdf) ## Alternate products to `Dodge 124205 F4B-SC-103 Four-Bolt Flange Bearing 1-3/16" Bore Set Screw Standard Duty - MROSupply.com`: - [Dodge 131383 F4B-SXV-103 four-bolt flange bearing with 1-3/16" bore, intermediate duty ball bearing insert, and eccentric collar locking. Powder coated cast iron housing with DualGuard seals and flingers. Non-expansion configuration for general purpose applications, maximum 6500 RPM.](https://www.mrosupply.com/products/125234/as-markdown/) - [Dodge 131111 F4B-SXR-103 four-bolt flange bearing with 1-3/16" bore, eccentric collar locking, standard duty ball bearing insert, non-expansion configuration, cast iron housing, DualGuard seal with flingers, powder coated finish, 6500 rpm maximum speed, general purpose application.](https://www.mrosupply.com/products/129340/as-markdown/) - [Dodge 128780 F4B-DL-103 four-bolt flange mounted ball bearing with 1-3/16" bore and D-Lok concentric clamp collar locking. Standard duty, 206 series non-expansion design for fixed shaft positioning. Cast iron housing with powder coated finish, DualGuard seals with flingers, and nitrile rubber shaft seal. Relubrication capable, maximum 5500 rpm, for general purpose applications.](https://www.mrosupply.com/products/133949/as-markdown/) - [Browning VF3S-120SM 767746 3-bolt flange mounted ball bearing with a 1.25-inch bore and set screw locking. Ductile iron housing with a 52100 bearing steel insert and single lip contact seal. Suitable for industrial applications requiring a compact flange mount.](https://www.mrosupply.com/products/2272620/as-markdown/) - [Dodge 123627 F4B-VSC-103 4-bolt flange mounted ball bearing with 1-3/16" bore, 65° set screw locking, intermediate duty rating, cast iron housing, DualGuard seals with flingers, 206 series, non-expansion fixed design for general purpose mounting. Maximum speed 6500 rpm, relubricatable, powder coated finish.](https://www.mrosupply.com/products/126899/as-markdown/) - [Dodge 123742 F4B-SCAH-103 four-bolt flange bearing with 1-3/16" bore, 65-degree set screw locking, standard duty rating, 206 series ball bearing, polymer housing, single-lip seal with flingers, non-expansion fixed mount, designed for air handling applications.](https://www.mrosupply.com/products/131738/as-markdown/) - [Browning VF4S-219 767446 4-bolt flange mounted ball bearing with a 1.188-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/2272069/as-markdown/) - [SealMaster SF-19 700443 2-bolt flange bearing unit, 1-3/16" bore, set screw lock, Gold Line. Cast iron housing with 52100 bearing steel insert, black oxide coating, and felt-labyrinth seal. Pre-lubricated for general industrial applications.](https://www.mrosupply.com/products/422011/as-markdown/) ## Suggested products: - [Dodge 135125 WSTU-SCM-203 wide-slot take-up bearing unit with 2-3/16" bore and set screw locking. Cast iron housing with medium duty ball bearing insert. Non-expansion fixed design with DualGuard seals for belt tensioning applications.](https://www.mrosupply.com/products/123711/as-markdown/) - [Dodge 124205 F4B-SC-103 four-bolt flange mounted ball bearing with 1-3/16" bore, set screw locking, standard duty, non-expansion design. Cast iron housing with powder coated finish, DualGuard seals with flingers, and relubrication capability. Maximum speed 6500 rpm. 206 series insert for general purpose applications.](https://www.mrosupply.com/products/123311/as-markdown/) - [Dodge 124173 F2B-SC-100 two-bolt flange mounted ball bearing with 1" bore and 65° set screw locking. Cast iron housing, standard duty 205 series, non-expansion design with DualGuard seals and flingers for general purpose applications. Maximum speed 7500 rpm, relubricatable, powder coated finish.](https://www.mrosupply.com/products/123285/as-markdown/) - [Dodge 131056 F2B-SXR-014 two-bolt flange bearing with 7/8" bore and eccentric collar locking. Cast iron housing, standard duty ball bearing insert, DualGuard seals with flingers. Non-expansion design for fixed mounting in general purpose applications. Relubricatable, powder coated finish, 7500 rpm maximum speed.](https://www.mrosupply.com/products/129462/as-markdown/) - [Dodge 124275 F2B-SC-103 2-bolt flange bearing with 1-3/16" bore, 65° set screw locking, standard duty ball bearing insert, and non-expansion fixed configuration. Cast iron housing with powder coated finish, DualGuard seals with flingers, and nitrile rubber shaft seal. Relubricatable design for general purpose applications, maximum 6500 rpm.](https://www.mrosupply.com/products/123440/as-markdown/) ## Product's reviews: - Great customer service - ITEMS WERE IN STOCK, QUICK DELIVERY AND GREAT CUSTOMER SERVICE. - Perfect fit and finish - Good product, perfect fit and finish, good price and fast shipping. Thanks - Excellent - We recently purchased a 30-year old hydroseeder and have no manuals or parts diagrams for it. The manufacturer is since out of business and there is very limited information on line. The most critical part we needed was a Dodge part. The original part was clearly marked with the Dodge name and part number. MRO was quickly able to identify the replacement part and we had in hand in two days. Perfect fit. Thank you MRO Supply for helping make our machine functional. - Bearings - Correct bearings, came the first time! ## 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 a bearing and what does it do?: A bearing is a mechanical component that enables smooth rotational or linear motion by reducing friction between moving parts. Bearings support loads and facilitate the transfer of forces between moving elements, preventing direct metal-to-metal contact that would cause wear and heat buildup. Rolling element bearings contain balls or rollers that rotate within races (raceways) to minimize friction. Common types include ball bearings (used for moderate loads and high speeds), roller bearings (used for heavy loads at medium speeds), and angular contact bearings (designed for combined radial and axial loads). Bearings are essential in industrial equipment including motors, pumps, compressors, gearboxes, turbines, and conveyor systems. - How do I choose the right bearing for my application?: Bearing selection depends on five key factors: 1. Load Type and Direction — Determine whether your application has radial loads (perpendicular to shaft), axial loads (along the shaft), or combined loads. Deep groove ball bearings suit primarily radial loads; tapered roller bearings excel at combined loads; thrust bearings handle pure axial forces. 2. Rotational Speed — Ball bearings support higher speeds with lower friction. Roller bearings are better for medium-speed, heavy-load applications. Verify bearing speed ratings against your operating RPM. 3. Load Capacity — Select a bearing with adequate load capacity for your application. Basic dynamic load rating (C) and basic static load rating (C₀) determine how much load the bearing can safely carry. 4. Lubrication Requirements — Choose between grease and oil lubrication based on speed, temperature, and load. High-speed or high-temperature applications typically require oil circulation; lower-speed applications can use grease. 5. Precision and Rigidity — Evaluate your application's tolerance for runout deviation. High-precision applications require tighter tolerances and higher-grade bearings. - What bearing materials are available and which should I use?: Standard bearing materials include: - Chrome Steel — Premium bearing steel used by SKF, NSK, Timken, and most manufacturers. Offers excellent hardness, fatigue resistance, and durability in standard industrial applications. Most common for ball and roller bearings. - Stainless Steel — Provides corrosion resistance for applications in wet, humid, or chemically corrosive environments. Used in food processing, marine, and pharmaceutical equipment. - Ceramic Hybrid Bearings — Combine steel races with ceramic rolling elements. Offer reduced friction, lower heat generation, and higher temperature capability. Used in high-speed, high-precision applications and aerospace. - Polymeric Bearings — Utilize fluoropolymer composites with embedded graphite or PTFE. Provide low friction in high-speed applications where lubrication film breakdown would be problematic. Material selection depends on operating environment (temperature, moisture, chemical exposure), speed, load, and precision requirements. Standard chrome steel bearings suit most industrial MRO applications. - What are dynamic and static load ratings, and why do they matter?: Static Load Rating (C₀) — The maximum load a stationary or slowly rotating bearing can support without permanent deformation of its rolling elements or raceways. Defined by ISO 76 as the load producing 0.01% permanent deformation of the rolling element diameter. Static load capacity is the limiting factor when a bearing operates at very low speeds or remains stationary under heavy loads. Dynamic Load Rating (C) — The constant load a bearing can endure for a specified number of revolutions (the L10 life, at which 90% of identical bearings are expected to survive). Dynamic load rating determines how long a bearing will last under rotating or oscillating motion. ISO 281 defines the L10 calculation using the formula: L10 = (C/P)^p, where C is dynamic load rating, P is equivalent dynamic load, and p is the life exponent (3 for ball bearings, 10/3 for roller bearings). Why They Matter — Static load rating determines if a bearing can handle peak loads without permanent damage (even if not rotating). Dynamic load rating determines operational life. For high-speed applications, dynamic rating is critical. For low-speed or stationary loads, static rating may be the limiting factor. Always verify both ratings against your application's load profile. - What is bearing life (L10) and how does it affect my equipment maintenance?: L10 Life Definition (ISO 281) — L10 is the basic rating life at which 90% of a large group of identical bearings are statistically expected to survive under constant load and speed. It is calculated in millions of revolutions using the formula: L10 = (C/P)^p, where C is the basic dynamic load rating, P is the equivalent dynamic bearing load, and p is the life exponent (3 for ball bearings). Converting L10 to Operating Hours — To express L10 life in hours: L10h = (L10 × 10^6) / (60 × n), where n is rotational speed in RPM. For example, a bearing with L10 = 1,000 million revolutions operating at 3,600 RPM has approximately L10h ≈ 4,630 hours. Modified Life (L10a) — Actual bearing life also depends on lubrication quality, contamination, speed, temperature, and bearing accuracy. ISO 281 defines a modified life factor (a₁ × aISO) that adjusts the theoretical L10 for these real-world conditions. High-quality lubrication and proper maintenance can extend bearing life significantly; poor lubrication or high contamination reduces it. Why It Matters for Maintenance — L10 life helps you schedule preventive maintenance, budget for bearing replacement, and select bearings adequate for your duty cycle. - How should I maintain and lubricate bearings?: Lubrication Importance — Improper lubrication causes over 40% of bearing failures. Proper bearing lubrication prevents friction damage, dissipates heat, protects against corrosion, and acts as a barrier against contaminants (dust, moisture, debris). Lubrication Selection — Choose between grease and oil based on: - Grease: Suitable for low-to-medium speed, sealed bearings, and applications without continuous circulation. Easier to apply and retain. Common for motors, household appliances, and sealed units. - Oil Mist or Circulating Systems: Better for high-speed applications, high-temperature environments, and heavy-load machinery where heat dissipation is critical. Best Practices: 1. Map all lubrication points and create a maintenance schedule. 2. Use the correct lubricant type and viscosity grade specified by the bearing manufacturer. 3. Store lubricants in sealed, labeled containers away from moisture and contaminants. 4. Monitor bearing temperature and vibration; unusual heat or noise may indicate inadequate lubrication or bearing wear. 5. Replace bearings before reaching L10 life if contamination or lubrication failure is detected.