# Rex BMNT8220718 2-7/16" Mounted Spherical Roller Bearing, Top Angle Protected Screw Take-Up Assembly, Single Setscrew Locking Collar, Spring Loaded Heavy Contact Seal, One Open and One Closed - MROSupply.com ***Rex BMNT8220718 2-7/16" (61.91 mm) bore mounted spherical roller bearing in a top angle protected screw take-up assembly. Features a single setscrew locking collar, spring loaded heavy contact seal, and one open and one closed auxiliary cap. Designed for normal duty applications requiring take-up adjustment.*** ## Product details: - Catalog number: 10416353 - SKU: 502133 - Price: ***$5,988.84*** Each - Quantity: This product has a minimum order quantity of 10. This is the minimum order quantity available when purchasing this product. - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [Rexnord](https://www.mrosupply.com/brands/rexnord/) - Category: - [Take-Up Bearing Assemblies](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/take-up-bearings/take-up-bearing-assemblies/) - [Take-Up Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/take-up-bearings/) - [Mounted Roller Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/) - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/) - [Bearings](htts://www.mrosupply.com/bearings/) - Unit of measure: each - Weight: 70.000 lb - UPC: 793699358902 - 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 - Adjusting screw thread size: 7/8-9 NC - Allowable Working Load [2/3 Yield Strength] (lb): 4400 - Auxiliary cap kit: A8207 (qty 1); B8 (qty 1) - Auxiliary seals: 1 open 1 closed cap cast iron - Auxiliary Seals: 1 OPEN 1 CLOSED CAP CAST IRON - Available Seal Type: K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip - Base to centerline height (in): 4.375 - Bearing Brand: REX ROLLER BEARING - Bolt Size (in): 3/4 - Bore size (in): 2.4375 in - Bore Size (in): 2.4375 in - Cage Material: Engineered Polymer - Channel Width (in): 3 - Clearance: C3 STANDARD - Distance between bolt holes (in): 34.5 - Distance from Bearing Centerline to Housing Face (in): 1.38 - Distance from frame bolt hole center to bearing centerline (in): 8.25 - Fixed vs. Expansion: Fixed - Foot Height (in): 1.75 - Frame: ZNT818 - Frame height (in): 9.13 - Frame length (in): 36.5 - Frame Material: Welded Steel - Frame type: Protected Screw Take-up Assembly - Frame Width (in): 3.5 - Grease Fitting Thread Size: 1/8 NPT - Housing coating: Powder coated - Housing Coating: POWDER COATED - Housing construction: Solid - Housing Construction: Solid - Housing material: Cast iron - Housing Material: Cast Iron - Housing style: Take-Up Assembly - Housing Style: Take-Up Assembly - Housing type: Take-Up Assembly - Housing Type: Take-Up Assembly - Housing width (in): 4.13 - Insert: 2207U - Length Through Bore (in): 3.51 - Locking device kit: SC8 - Locking Device Kit: SC8 - Locking Type: Single Set Collar - Lubrication type: EXXON RONEX MP STD - Lubrication Type: EXXON RONEX MP STD - Maximum Speed (RPM): 2000 rpm - Maximum Temperature (C): 107 - Maximum Temperature (F): 225 - Microlock kit: ML3 - Misalignment Capability: ±2.0° Misalignment - Dynamic - Misalignment Type: Dynamic - Net Weight: 70.00 - Overall Height (in): 9.13 - Overall Length (in): 36.5 - Overall rod length (in): 33.75 - Overall width: 6.06 - Primary seal: Buna spring loaded lip seal - Primary Seal: BUNA SPRING LOADED LIP SEAL - Radial Dynamic Load Capacity (lb): 43240 lb - Radial Static Load Capacity (lb): 53500 lb - Retainer material: Engineered Polymer - Retainer Material: Engineered Polymer - Rolling element: Spherical Roller - Seal kit: MS8 - Seal type: Heavy Contact Seal - Setscrew torque (in-lbs): 680 - Size code: 8 - Size Code: 8 - Take-up block: BMN82207 - Take-up Block: BMN82207 - Travel length (in): 18 - Vibration frequency fundamental train: 0.0072 cps - Vibration Frequency Fundamental Train: 0.0072 cps - Vibration frequency inner ring defect: 0.1791 cps - Vibration Frequency Inner Ring Defect: 0.1791 cps - Vibration frequency outer ring defect: 0.1376 cps - Vibration Frequency Outer Ring Defect: 0.1376 cps - Vibration frequency roller spin: 0.0607 cps - Vibration Frequency Roller Spin: 0.0607 cps - Weight unit: LB ## Product documents / software: - [Rex 2000, 3000, 5000, 9000 Series Roller Bearings](https://documents.mrosupply.com/product_documents/BM/BMT52111/000-Series-Roller-Bearings_Installation-Manual_PK8BJAF.pdf) ## Product's reviews: - A ok - Quick and correct. These days that is asking a lot. - Mechanic - Great service and fast shipping and great quality of product. - Excellent - very fast, very good!!! A+++ - Good - On time good ## 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.