# Dodge 131225 WSTU-SXR-115 Wide Slot Take-Up Bearing 1-15/16" Bore Eccentric Collar - MROSupply.com ***Dodge 131225 WSTU-SXR-115 wide slot take-up bearing unit with 1-15/16" bore, eccentric collar locking, standard duty cast iron housing, and DualGuard seals with flingers. Non-expansion design for belt tensioning applications. Relubricatable bearing steel insert with standard duty ball rolling element. General purpose uncoated finish.*** ## Product details: - Catalog number: WSTU-SXR-115 - SKU: 131411 - Price: ***$208.53*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [Dodge](https://www.mrosupply.com/brands/dodge/) - Category: - [Take-Up Bearing Assemblies](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/take-up-bearings/take-up-bearing-assemblies/) - [Take-Up Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/take-up-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: 6.070 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: 210 series - Bearing type: Ball, ball - Bore: 1 15/16 in - Bore Diameter: 1-15/16" with 210 series bearing - Bore length: 1.7200 in, 43.688 mm - Duty: Standard Duty - Duty Rating: Standard duty - Expansion: No - Expansion capability: Non-expansion (fixed) - Finish: Uncoated - Greasable: Yes - High temp: No - Housing construction: Solid - Housing material: Cast iron - Housing Material: Cast iron - Housing option: Cast iron - Housing type: Wide-slot take-up - I.D.: 1 15/16 in - Insert material: Steel - Insert option: Bearing steel - Insert type: Ball Bearing - Locking: Eccentric locking - Lubrication type: Grease - Max Speed: 3000 rpm - Relubrication: Yes - Rolling element: Standard duty ball - Seal option: DualGuard seals with flingers - Sensor ready: Adapter required - Shaft attachment: Eccentric collar - Shaft diameter: 1.9375 in - Standoff housing: No - Static load capacity: 5213 lbf, 23188.579 N - Suitable for high temperature: No - Suitable for washdown: No - Take-up frame size: WS-400 - Type: Wide slot take up ## Product documents / software: - [Dimensions ](https://documents.mrosupply.com/product_documents/13/131232/b3_58.pdf) - [Features and Benefits ](https://documents.mrosupply.com/product_documents/12/125635/b3_2.pdf) - [Nomenclature and Selection ](https://documents.mrosupply.com/product_documents/12/125635/b3_4.pdf) - [2D DXF front](https://documents.mrosupply.com/product_documents/13/131225/baldor2d_131225_front_HLwsQ0a.dxf) - [2D DXF right](https://documents.mrosupply.com/product_documents/13/131225/baldor2d_131225_right_5GaIfZo.dxf) - [2D DXF top](https://documents.mrosupply.com/product_documents/13/131225/baldor2d_131225_top_33ytM3g.dxf) - [3D DXF](https://documents.mrosupply.com/product_documents/13/131225/baldor_dxf3d_131225_RNHF1j6.dxf) - [3D PDF Datasheet](https://documents.mrosupply.com/product_documents/13/131225/baldor_pdf_131225_XSt5RRn.pdf) ## Alternate products to `Dodge 131225 WSTU-SXR-115 Wide Slot Take-Up Bearing 1-15/16" Bore Eccentric Collar - MROSupply.com`: - [SealMaster NP-31 700196 2-bolt pillow block bearing with 1-15/16" bore, set screw lock, and felt-labyrinth seal. Cast iron housing and 52100 bearing steel insert with black oxide coating. Pre-lubricated for general industrial duty in conveyor, fan, and blower applications.](https://www.mrosupply.com/products/421913/as-markdown/) - [Link-Belt P3U231N 10418618 2-bolt pillow block ball bearing with 1-15/16" bore, set screw locking, and cast iron housing. Features Buna single lip contact seal, nylon retainer, C3 clearance, and powder-coated finish. Fixed (non-expansion) unit for standard duty applications.](https://www.mrosupply.com/products/498227/as-markdown/) - [SealMaster ST-31 700748 take-up bearing unit with 1-15/16" bore, cast iron wide-slot housing, 52100 bearing steel insert, black oxide coating, set screw lock, and felt-labyrinth seal. Pre-lubricated for general industrial conveyor and tensioning applications.](https://www.mrosupply.com/products/2255817/as-markdown/) - [Browning VPE-231 767918 2-bolt pillow block mounted ball bearing with a 1.938-inch bore and eccentric locking collar. The expansion-type cast iron housing accommodates thermal shaft growth. It features a 52100 bearing steel insert, black oxide coated inner ring, and a single lip contact seal with flinger for contaminant exclusion. Suitable for conveyor head shafts, fan supports, and general industrial machinery.](https://www.mrosupply.com/products/2272126/as-markdown/) - [Link-Belt TH3U231N 10415826 take-up bearing unit with 1-15/16" bore, set screw locking, and cast iron housing. Standard duty ball bearing insert UG231NL with Buna single lip contact seal and C3 clearance. Fixed, powder-coated housing for general industrial conveyor and tensioning applications.](https://www.mrosupply.com/products/499538/as-markdown/) - [Link-Belt P3Y231N 10436814 2-bolt pillow block ball bearing with 1-15/16" bore, eccentric locking collar, and cast iron housing. This fixed (non-expansion) unit features a Buna single lip contact seal and nylon retainer. Rated for standard duty with C3 clearance and powder-coated housing.](https://www.mrosupply.com/products/498349/as-markdown/) - [SKF TU 1.15/16 TF take-up bearing unit for a 1.15-inch shaft with set screw locking. The cast-iron housing supports an insert bearing pre-lubricated for maintenance-free operation. Designed for conveyor take-up frames and tensioning applications in industrial environments.](https://www.mrosupply.com/products/326554/as-markdown/) - [Browning VPS-231 767881 2-bolt pillow block mounted ball bearing with a 1-15/16-inch bore and set screw locking. Cast iron housing with 52100 bearing steel inner ring, black oxide coating, and single lip contact seal with flinger. Suitable for conveyor head shafts, fan supports, and general industrial machinery.](https://www.mrosupply.com/products/2272229/as-markdown/) ## Suggested products: - [Dodge 078492 WSTU-SXRED-50MS wide slot take-up bearing unit with 50mm bore, eccentric collar locking, non-expansion (fixed) design, cast iron housing, standard duty rating, QuadGuard seals with flingers, 210 series ball bearing insert for belt tensioning in dirty and dusty environments.](https://www.mrosupply.com/products/2217891/as-markdown/) - [Dodge 125914 WSTU-SC-40M wide slot take-up bearing unit with 40mm bore, set screw locking, standard duty ball bearing insert, cast iron housing, DualGuard seals with flingers, non-expansion fixed design for belt tensioning applications.](https://www.mrosupply.com/products/128821/as-markdown/) - [Dodge 125563 WSTU-VSC-200 wide slot take-up bearing unit with 2" bore, set screw locking, intermediate duty cast iron housing, DualGuard seals with flingers, 210 series ball bearing for belt tensioning applications. Non-expansion design for fixed shaft positioning. Relubricatable for extended service life.](https://www.mrosupply.com/products/126966/as-markdown/) - [Dodge 125562 WSTU-VSC-115 wide slot take-up bearing with 1-15/16" bore, intermediate duty set screw locking, cast iron housing, and DualGuard seals with flingers. Non-expansion fixed bearing for belt tensioning applications. Relubricatable design with standard duty ball insert.](https://www.mrosupply.com/products/126965/as-markdown/) - [Dodge 054390 WSTU-DLM-35M wide slot take-up bearing unit with 35mm bore, D-Lok concentric clamp collar locking, medium duty cast iron housing, 208 series ball bearing insert, DualGuard seals with flingers, non-expansion design for belt tensioning.](https://www.mrosupply.com/products/125717/as-markdown/) ## Product's reviews: - P90 coupler - These where a perfect match saved me time and money by getting them fro you guys - Parts - great stock, ships quick - Bushing order for down equipment - Great Service, Prompt delivery! - Best price - Best price on the market with fast shipping. ## FAQ: - How do I keep water out of a bearing on a wet shaft (washers, washdown conveyors)?: Three factory-recommended angles: a more robust multi-lip seal option for the housing where one exists; Dodge's modern SAF-style mounted bearing, which installs faster than a traditional SAF assembly and seals better; and continuous lubrication with an automatic lubricator (IntelliLube), which keeps a positive grease purge at the seal so water is pushed out instead of drawn in. - Which Dodge bearings hold up on sand-and-gravel conveyors with regular washdown?: Dodge's Harsh Duty series (formerly the Defender series) was designed for aggregate duty. It's a seal upgrade over the standard product with identical mounting dimensions, so it drops into your existing footprint: Harsh Duty versions exist for Type E and TAF tapered-roller pillow blocks and for ball bearings (ED suffix). The tapered line carries a one-year performance guarantee against solid-particle-contamination failure when commissioned with a Dodge IntelliLube automatic lubricator. - What grease do Dodge bearings come with from the factory?: Standard Dodge mounted bearings ship shaft-ready with an NLGI #2 lithium-based grease. Ball bearing inserts are factory-filled with Mobil Unirex N2 (a lithium complex grease); roller bearings get a heavier grease, Mobil XHP 222. Bearings can also be ordered dry, or with a special grease, if your plant runs its own lubrication standard. - How much grease is in a Dodge bearing out of the box?: Most standard Dodge bearings ship with a 33–35% factory grease fill. Washdown bearings ship 100% full; Harsh Duty ball bearings ship at 66%. All are shaft-ready out of the box — no pre-lube needed before installation. - How does Dodge warranty evaluation work if a product fails?: Failed units go to Dodge's US plants for evaluation — about a week in transit plus one to two weeks of analysis, and you get the findings either way. Warranty covers workmanship and material defects; failures caused by the application (lubrication, installation) fall to the customer, but the failure analysis tells you the root cause so it doesn't repeat. - How often should take-up bearing assemblies be lubricated?: Follow the bearing manufacturer's lubrication schedule and use only their recommended grease type to prevent overheating and contamination. Regular inspection of the lubrication system is essential to detect over or under-lubrication conditions early. - What bearing seal and material options are available for take-up assemblies?: Sealed bearings with high-temp seals are available for elevated-temperature applications, while stainless steel and ceramic options provide corrosion resistance in wet or caustic environments. Self-lubricating bearing inserts minimize maintenance and extend service life. - What is the difference between narrow-slot and wide-slot take-up frames?: Wide-slot frames provide greater adjustment range for longer belt stretch compensation and are suited for heavy-duty applications, while narrow-slot frames are designed for compact installations with lighter loads. Frame selection depends on conveyor run length and expected belt stretch. - How do you determine the correct bore size for a take-up bearing assembly?: Match the bore diameter to your conveyor shaft diameter and verify compatibility with your take-up frame mounting holes. Consult the bearing supplier's catalog or the original frame specification to confirm the correct size before ordering replacement bearings. - How do you adjust belt tension on a take-up bearing assembly?: Rotate the adjusting screw to move the bearing block along the frame and increase or decrease conveyor belt tension. Ensure the load remains parallel to the adjusting screw for optimal performance. - How do you adjust a take-up bearing for correct tension?: Take-up bearings are adjusted by loosening the housing bolts and sliding the bearing assembly along adjustment slots or using threaded adjustment mechanisms to move the bearing axially. Proper tension should prevent belt slip while allowing the belt to be hand-deflected approximately 1–2 inches midspan. - What maintenance is required for take-up bearing assemblies?: Take-up bearings require periodic adjustment to maintain correct tension, regular lubrication of the bearing itself, and inspection of the housing bolts for tightness. Most applications need quarterly tension checks and annual bearing relubrication. - Can take-up bearings be used with both belt and chain drives?: Yes, take-up bearings are used in both belt-drive and chain-drive systems, though chain take-up units may have different adjustment mechanisms. The specific design depends on whether the drive is for flat belts, V-belts, or roller chains. - What's the difference between heavy-duty and standard take-up bearings?: Heavy-duty take-up bearings use reinforced housings and larger bore sizes to handle higher loads and shock in demanding applications like quarrying or mining. Standard take-up bearings are suitable for lighter conveyor loads and manufacturing line applications. - What is the purpose of a take-up bearing in a conveyor system?: Take-up bearings maintain proper belt tension by allowing axial adjustment of the bearing housing as the belt stretches and wears over time. This prevents belt slippage and reduces uneven wear, extending both belt and bearing life. - How do I install a mounted bearing correctly?: Verify your shaft diameter is within the bearing bore tolerance (consult the NSK or SKF datasheet), then secure the bearing to the mounting surface using the specified bolt torque and engage the locking collar or set-screw on the shaft to prevent axial slip. Hand-rotate the shaft through several complete turns with a dial indicator, laser alignment tool, or feeler gauge to confirm smooth operation and proper shaft runout within spec. - How often should I grease a mounted bearing?: Use the formula (OD in mm) × (Width in mm) × 0.005 = grams for periodic relubrication of the bearing element only; initial housing cavity fill is separate and should be 30–50% of free volume. Over-greasing damages seals and generates excess heat—stick to the calculated quantity and recommended relubrication schedule. - What temperature should a mounted bearing run at?: Monitor housing surface temperature (the standard MRO measurement point): 40–65°C is normal, 70–75°C warrants investigation of misalignment or over-greasing, and 80°C requires immediate shutdown. The inner race runs 15–30°C hotter than the housing surface, so an 80°C housing reading means lubricant degradation is accelerating and the bearing requires emergency diagnosis. - When should I replace a mounted bearing?: Replace based on condition: vibration signature analysis or ultrasonic emission (detected with a hand-held meter) indicates wear hours or days before audible noise appears, and is the actionable MRO signal. Other replacement triggers include continuous operation above 80°C housing temperature, visible grease leakage, or reaching the manufacturer's service interval for your duty cycle. Scheduled relubrication and temperature monitoring extend service life significantly — replacement is a last resort, not preventive maintenance. - What are the main types of mounted bearings?: Mounted bearings come in four main forms: pillow blocks (flat-base, shaft parallel to mounting surface), flange mounts (perpendicular shaft, available in 2-bolt and 4-bolt variants with different radial ratings), hanger bearings (overhead support for long horizontal shafts), and take-up frames (adjustable center-distance units for belt or chain drive tensioning). Select based on your shaft orientation, load direction, and space constraints. - 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. - 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 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. - 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 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 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.