# Rex KNT10230724 ZNT2000 Top Angle Protected Screw Take-Up Bearing Assembly 3-7/16" Bore Single Setscrew Locking - MROSupply.com

***Rex KNT10230724 ZNT2000 top angle protected screw take-up assembly with a 3-7/16 in (87.31 mm) bore. This mounted spherical roller bearing unit features a single setscrew locking collar and a single lip light contact seal. The cast iron housing provides reliable support for conveyor take-up applications requiring axial adjustment.***



## Product details:

- Catalog number: 10439651
- SKU: 503443
- Price: ***$2,190.45*** 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 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: 141.000 lb
- UPC: 698210704070
- 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: 1 1/8-7 NC
  

  
- Allowable Working Load [2/3 Yield Strength] (lb): 8400
  

  
- Available end cap: DTC10
  

  
- Available End Cap: DTC10
  

  
- 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): 5.625
  

  
- Bearing Brand: REX ROLLER BEARING
  

  
- Bolt Hole Spacing [Width] (in): 2
  

  
- Bolt Size (in): 3/4
  

  
- Bore size (in): 3.4375 in
  

  
- Bore Size (in): 3.4375 in
  

  
- Cage Material: Engineered Polymer
  

  
- Channel Width (in): 4
  

  
- Clearance: C3 STANDARD
  

  
- Distance between bolt holes (in): 44
  

  
- Distance from Bearing Centerline to Housing Face (in): 1.72
  

  
- Distance from frame bolt hole center to bearing centerline (in): 10
  

  
- Fixed vs. Expansion: Fixed
  

  
- Foot Height (in): 2
  

  
- Frame: ZNT1024
  

  
- Frame height (in): 11.75
  

  
- Frame length (in): 46.25
  

  
- Frame Material: Welded Steel
  

  
- Frame type: Protected Screw Take-up Assembly
  

  
- Frame Width (in): 4.5
  

  
- 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): 5.19
  

  
- Insert: 2307U
  

  
- Length Through Bore (in): 4.39
  

  
- Locking device kit: SC10
  

  
- Locking Device Kit: SC10
  

  
- Locking Type: Single Set Collar
  

  
- Lubrication type: EXXON RONEX MP STD
  

  
- Lubrication Type: EXXON RONEX MP STD
  

  
- Maximum Speed (RPM): 1700 rpm
  

  
- Maximum Temperature (C): 107
  

  
- Maximum Temperature (F): 225
  

  
- Microlock kit: ML4
  

  
- Misalignment Capability: ±2.0° Misalignment - Dynamic
  

  
- Misalignment Type: Dynamic
  

  
- Net Weight: 141.00
  

  
- Overall Height (in): 11.75
  

  
- Overall Length (in): 46.25
  

  
- Overall rod length (in): 44
  

  
- Overall width: 5.19
  

  
- Primary seal: BUNA SGL lip light contact
  

  
- Primary Seal: BUNA SGL LIP LIGHT CONTACT
  

  
- Radial Dynamic Load Capacity (lb): 84330 lb
  

  
- Radial Static Load Capacity (lb): 90700 lb
  

  
- Retainer material: Engineered Polymer
  

  
- Retainer Material: Engineered Polymer
  

  
- Rolling element: Spherical Roller
  

  
- Seal kit: KS10
  

  
- Setscrew torque (in-lbs): 680
  

  
- Size code: 10
  

  
- Size Code: 10
  

  
- Take-up block: KN102307
  

  
- Take-up Block: KN102307
  

  
- Travel length (in): 24
  

  
- Vibration frequency fundamental train: 0.0073 cps
  

  
- Vibration Frequency Fundamental Train: 0.0073 cps
  

  
- Vibration frequency inner ring defect: 0.1784 cps
  

  
- Vibration Frequency Inner Ring Defect: 0.1784 cps
  

  
- Vibration frequency outer ring defect: 0.1383 cps
  

  
- Vibration Frequency Outer Ring Defect: 0.1383 cps
  

  
- Vibration frequency roller spin: 0.0628 cps
  

  
- Vibration Frequency Roller Spin: 0.0628 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:
- Good orice - This stump grinder wheel bearing is expensive and I need two each time I change them.
Best price I found anywhere and free shipping here at MRO Supply
- Good - Good
- Excellent - very fast, very good!!! A+++
- Jose - Really good customer service




## 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.