# SKF FYT 1. WF 2-Bolt Cast-Iron Oval Flange Bearing Unit 1 in Shaft Eccentric Collar Locking - MROSupply.com ***SKF FYT 1. WF 2-bolt cast-iron oval flange bearing unit for 1-inch shaft with eccentric collar locking. The pre-lubricated insert bearing is housed in a durable cast-iron flange for reliable support in conveyor, fan, and general industrial applications.*** ## Product details: - Catalog number: FYT 1. WF - SKU: 326949 - Price: ***$47.97*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [SKF Bearing](https://www.mrosupply.com/brands/skf-bearing/) - Category: - [2-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-bearings/2-bolt-pillow-block-bearings/) - [Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-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: 1.526 lb ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - Bearing Bore Type: Cylindrical - Bearing Sealing: Seal and flinger on both sides - Dimension Type: Inch - Fastening Bolt Hole Type (Housing): Plain holes - Housing Material: Cast iron - I.D.: 1 in - Inner Diameter (mm): 25.400 - Lubricant (in Bearing): Grease - O.D. (in): 4 7/8 - Outer Diameter (mm): 123.800 - Relubrication Nipple: With - Unit Sealing: Without - Width (mm): 45.900 ## Alternate products to `SKF FYT 1. WF 2-Bolt Cast-Iron Oval Flange Bearing Unit 1 in Shaft Eccentric Collar Locking - MROSupply.com`: - [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/) - [Browning VF2S-116 767585 2-bolt flange mounted ball bearing with a 1-inch bore and set screw locking. The cast iron housing supports a relubricable single-row deep-groove ball bearing insert with a contact seal. Suitable for conveyor head shafts, fan supports, and general industrial machinery.](https://www.mrosupply.com/products/2271746/as-markdown/) - [SealMaster SFT-16 700543 take-up bearing unit with 1" bore, cast iron housing, and 52100 bearing steel insert. Black oxide coated, set screw lock, and labyrinth seal. Pre-lubricated for general industrial conveyor and tensioning applications.](https://www.mrosupply.com/products/422099/as-markdown/) - [Dodge 131058 F2B-SXR-100 two-bolt flange bearing with 1" bore, eccentric collar locking, standard duty rating. Cast iron housing, 205 series insert, DualGuard seal. Non-expansion (fixed) mounting for single bearing installations.](https://www.mrosupply.com/products/129463/as-markdown/) - [SealMaster SFT-20 700548 take-up bearing unit, 1-1/4" bore, cast iron two-bolt flange housing, 52100 bearing steel insert with black oxide coating, set screw lock, and felt-labyrinth seal. Pre-lubricated for general industrial applications.](https://www.mrosupply.com/products/2255776/as-markdown/) - [Link-Belt FX3S216E 10427122 2-bolt flange ball bearing with 1" bore, set screw locking, and cast iron housing. Intermediate duty 200 series mounted ball bearing features a single lip contact seal, nylon retainer, and powder-coated housing. Fixed expansion type for general industrial applications.](https://www.mrosupply.com/products/491744/as-markdown/) - [SealMaster SFT-20R 700547 take-up bearing unit with 1-1/4" bore, cast iron 2-bolt flange housing, 52100 bearing steel insert, black oxide coating, set screw lock, and felt-labyrinth seal. Pre-lubricated for general industrial applications.](https://www.mrosupply.com/products/420971/as-markdown/) - [Browning VF2E-216 767361 2-bolt flange mounted ball bearing with a 1-inch bore and eccentric locking collar. The cast iron housing supports a 52100 bearing steel insert with a black oxide coated inner ring, single lip contact seal, and flinger. Suitable for conveyor, fan, and general industrial applications where a compact flange mount is required.](https://www.mrosupply.com/products/2271969/as-markdown/) ## Product's reviews: - Bearing purchase - Good price and fast delivery!! Also a pleasure doing business with MROSupply.com!! - Agradecimiento. - Excelente servicio, confiable, rápido y efectivo. Los seguiré llamando para mis necesidades. - Purchase of bearing - exactly what we needed and it showed up in only 1 day thank you so much. - Bearing - Old hard to find bearing for a 85 year old tractor. Fit perfect and price was great. ## 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.