# Link-Belt SG219ELPA 10412239 Mounted Ball Bearing Insert 1-3/16" Bore Set Screw Locking C3 Clearance - MROSupply.com ***Link-Belt SG219ELPA 10412239 unmounted ball bearing insert, 1-3/16" bore, set screw locking, C3 clearance, 52100 bearing steel, Buna single lip contact seal, nylon retainer, intermediate duty. For use in Link-Belt SG200 series housings.*** ## Product details: - Catalog number: 10412239 - SKU: 2363882 - Price: ***$100.67*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [Link-Belt](https://www.mrosupply.com/brands/link-belt/) - Category: - [Inserts & Cartridges](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/inserts-cartridges/) - [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: 0.629 lb - UPC: 662864825801 - Returns: Yes - Technicall support: contact supplier for technical support on 800-626-2120 ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - Available seal type: E Lip Seal; E1 Viton Seal; FF Free Running; HFF Free Running; MHFF Free Running - Bearing Type: Intermediate duty - Bore length (in): 1 11/32 in - Bore size (in): 1.1875 in - C dynamic load rating: 4390 lb - Co static load rating: 2530 lb - Distance from Bearing Centerline to Centerline of Lube Hole (in): 0.202 in - Distance from Inner Ring Long Hub Face to Centerline of Setscrew (in): 0.31 in - Height: 2.00 - Inner ring hub diameter (in): 1.587 in - Length: 3.00 - Locking Type: Set screw - Lubrication type: EXXON RONEX MP STD - Maximum Speed (RPM): 5600 rpm - Maximum Temperature (C): 107 C - Maximum Temperature (F): 225 F - Mounted clearance: C3 standard - Outer Ring Width (in): 0.7087 in - Outside diameter (in): 2.4409 in - Primary seal: BUNA single lip contact seal - Retainer type: Nylon - Service instructions: BR3-007 LB 200 ball-300 ball - Setscrew torque (in-lbs): 165-185 in/lbs - Short Hub Length (in): 0.3920 in - Size code: 206 - Thread: 5/16-24 in - Type of seal: E lip seal - Unit of dimension: in - Vibration frequency fundamental train: 0.0067 cps - Vibration frequency inner ring defect: 0.0905 cps - Vibration frequency outer ring defect: 0.0595 cps - Vibration frequency roller spin: 0.0385 cps - Volume: 0.078 - Volume unit: GLL - Width: 3.00 ## Product documents / software: - [Link-Belt Mounted & Unmounted Ball Bearings Installation Instructions](https://documents.mrosupply.com/product_documents/24/2436/U3K00-Series-Ball-Bearings_Installation-Manual_0NZaIEg.pdf) - [Link-Belt Mounted & Unmounted Ball Bearings Installation Instructions](https://documents.mrosupply.com/product_documents/58/93/5893723/a2b85342f64cbc576ee451659ad2523d31461815_uNkX4f9.pdf) - [Rexnord Bearings Catalog](https://documents.mrosupply.com/product_documents/58/93/5893723/5c878e5c94dc5c3d338a775129f99b4f092be791_xnS4NzU.pdf) ## Alternate products to `Link-Belt SG219ELPA 10412239 Mounted Ball Bearing Insert 1-3/16" Bore Set Screw Locking C3 Clearance - MROSupply.com`: - [Link-Belt TB22439H 10412272 take-up spherical roller bearing, 2-7/16" bore, adapter sleeve mount, cast iron housing, steel clearance seal, fixed (non-expansion). Single set collar locking, powder coated housing, 38300 lbf dynamic load rating, 53500 lbf static, max speed 2300 RPM. For heavy-duty conveyors and bulk material handling.](https://www.mrosupply.com/products/499024/as-markdown/) - [Link-Belt PU326 10412203 2-bolt pillow block ball bearing with 1-5/8" bore, set screw locking, and cast iron housing. Part of the 300 Series heavy-duty ball bearing line with nylon retainer, clearance seal with flingers, and powder-coated housing. Fixed non-expansion design for general industrial applications.](https://www.mrosupply.com/products/497897/as-markdown/) - [Link-Belt T3U2M25N 10412258 take-up ball bearing with 25 mm bore, set screw locking, and cast iron housing. Features a single lip contact seal, C3 clearance, and powder-coated housing. Designed for standard-duty applications requiring fixed take-up mounting.](https://www.mrosupply.com/products/847114/as-markdown/) - [Link-Belt TB224M80H 10412277 take-up spherical roller bearing with 80 mm bore, adapter sleeve mount, and single set collar locking. Cast iron housing with steel clearance seal, fixed (non-expansion) design. Rated for heavy-duty industrial applications including conveyors and bulk material handling.](https://www.mrosupply.com/products/498968/as-markdown/) - [Link-Belt TDLB6847D8C (10412292) TDLB6800 series take-up bearing unit with spherical roller insert 22217LBKC3. Cast iron housing with powder coating, D8 Taconite duty seal, closed end, and tapered adapter mount. Fixed-expansion design, C3 clearance, steel retainer. Max speed 1950 RPM.](https://www.mrosupply.com/products/499235/as-markdown/) ## 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.