# Rex ZT72203 2-3/16" Take-Up Bearing Insert, 7000 Series, Cast Iron, Single Setscrew Locking, Clearance Seal - MROSupply.com ***Rex ZT72203 7000 series take-up bearing insert with 2-3/16 in (55.56 mm) bore, cast iron housing, single setscrew locking collar, and standard clearance seal. Designed for use in take-up frames, this insert provides reliable support for conveyor and tensioning applications.*** ## Product details: - Catalog number: 10423607 - SKU: 510378 - Price: ***$752.18*** Each - Shipping: ***FREE SHIPPING*** ON ORDERS OVER $100 - Typically Ships in: 1 day - Brand: [Rexnord](https://www.mrosupply.com/brands/rexnord/) - Category: - [Take-Up Bearing Units](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/take-up-bearings/take-up-bearing-units/) - [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: 13.600 lb - UPC: 698210184001 - 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 clearance hole diameter (in): 1 3/8 in - Adjusting Screw Clearance Hole Diameter (in): 1.375 in - Adjusting screw square nut seat height (in): 2 1/4 in - Adjusting Screw Square Nut Seat Height (in): 2 1/4 in - Adjustment pad height (in): 3 7/8 in - Adjustment Pad Height (in): 3 7/8 in - Adjustment slot width (in): 1 1/4 in - Adjustment Slot Width (in): 1 1/4 in - Allowable working load (2/3 yield strength) (lb): 13500 lb - Allowable Working Load [2/3 Yield Strength] (lb): 13500 lb - Available end cap: DTC7 - Available End Cap: DTC7 - 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 5/8 in - Base to Centerline Height (in): 4 5/8 in - Bearing Brand: REX ROLLER BEARING - Bearing housing: TU blk center pull RB - Bearing housing material: Cast iron - Bearing Type: Spherical roller brg - Bolt Size (in): 2.1875 in - Bore length (in): 3 5/16 in - Bore Length (in): 3 5/16 in - Bore Size (in): 2.1875 in - C dynamic load rating: 36370 lb - Cage Material: Engineered Polymer - Centerline to Outermost Bearing Face (in): 2.06 - Clearance: C3 STANDARD - Co static load rating: 44400 lb - Distance from housing cast face to inner ring long hub face (in): 13/16 in - Distance from Housing Cast Face to Inner Ring Long Hub Face (in): 13/16 in - Distance from housing outside diameter to cast square nut slot face (in): 5 in - Distance from Housing Outside Diameter to Cast Square Nut Slot Face (in): 5 in - Fixed expansion: Fixed - Fixed vs. Expansion: Fixed - Grease fitting size: 1/8 NPT - Grease Fitting Thread Size: 1/8 NPT - Height: 5.50 - Housing Cast Face to Outermost Bearing Face (in): 0.81 - Housing coating: Powder coated - Housing Coating: POWDER COATED - Housing Construction: Solid - Housing height (in): 5 1/4 in - Housing Height (in): 5 1/4 in - Housing length (in): 7 1/8 in - Housing Length (in): 7 1/8 in - Housing Material: Cast Iron - Housing Outside Diameter to Cast Square Nut Slot Face (in): 5 - Housing Style: Take-Up Block - Housing Type: Take Up, Wide Slot - Housing width (in): 2.5 - Inner ring hub diameter (in): 2 5/8 in - Inner Ring Hub Diameter (in): 2 5/8 in - Inner Ring Outside Diameter (in): 2.62 - Insert: 2203U - Length: 9.56 - Length Through Bore (in): 3.32 - Locking collar outside diameter (in): 3 1/4 in - Locking Collar Outside Diameter (in): 3 1/4 in - Locking device kit: SC7 - Locking Device Kit: SC7 - Locking Type: Single Set Collar - Lubrication type: EXXON RONEX MP STD - Lubrication Type: EXXON RONEX MP STD - Max Speed: 3650 RPM - Max temperature (°F (°C)): 225 (107) F (C) - Maximum Speed (RPM): 3650 rpm - Maximum Temperature (C): 107 C - Maximum Temperature (F): 225 F - Microlock kit: ML2 - Microlock Kit: ML2 - Misalignment Capability: ±2.0° Misalignment - Dynamic - Misalignment Type: Dynamic - Mounted clearance: C3 standard - Net Weight: 13.60 - Overall Length (in): 7.13 - Overall width: 3.32 - Primary seal: Steel clearance seal - Primary Seal: STEEL CLEARANCE SEAL - Radial Dynamic Load Capacity (lb): 36370 lb - Radial Static Load Capacity (lb): 44400 lb - Retainer Material: Engineered Polymer - Retainer type: Engineered polymer - Seal kit: ZS7 - Seal Kit: ZS7 - Seal Type: Labyrinth Seal - Service instructions: BR3-001 REX 2, 3, 5, 6, 9000 - Setscrew torque (in-lbs): 460 in/lbs - Setscrew Torque (in-lbs): 460 in/lbs - Shaft diameter (in): 2 3/16 in - Shaft locking: Single set collar - Size code: 7 - Size Code: 7 - Slot length: 13/16 in - Slot Length (in): 13/16 in - Slot spacing (in): 4 1/2 in - Slot Spacing (in): 4.5 in - Slot Width (in): 0.81 - Threaded cover kit: TC7 - Type of seal: Clearance seal - Unit of dimension: in - Unit of Dimension: IN - Vibration frequency fundamental train: 0.0072 cps - Vibration Frequency Fundamental Train: 0.0072 cps - Vibration frequency inner ring defect: 0.1790 cps - Vibration Frequency Inner Ring Defect: 0.1790 cps - Vibration frequency outer ring defect: 0.1377 cps - Vibration Frequency Outer Ring Defect: 0.1377 cps - Vibration frequency roller spin: 0.0606 cps - Vibration Frequency Roller Spin: 0.0606 cps - Volume: 0.911 - Volume unit: GLL - Volume Unit: GLL - Weight unit: LB - Width: 4.00 ## 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) ## Alternate products to `Rex ZT72203 2-3/16" Take-Up Bearing Insert, 7000 Series, Cast Iron, Single Setscrew Locking, Clearance Seal - MROSupply.com`: - [Dodge 070787 WSTU-S2-203RE wide-slot take-up bearing with spherical roller insert, 2-3/16" bore, set screw locking, expansion (float) design, CP-408 frame, cast iron housing, grease lubricated, 1950 RPM max speed.](https://www.mrosupply.com/products/129049/as-markdown/) - [Rex ZT722034078 7000 series take-up bearing insert with 2-3/16" bore, cast iron housing, single setscrew locking collar, and standard clearance seal. Includes drilled auxiliary cap variant and steel retainers for normal-duty applications requiring axial adjustment.](https://www.mrosupply.com/products/510386/as-markdown/) ## Product's reviews: - Parts ordered - We were very happy with the parts we ordered. - 1st timer - 1st purchase with MRO good product selection at best price. Will check in for my next purchase. - Falk ltg - Fast convenient shopping. Highly recommend. Prompt shipping. 👍🏼 - 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.