# Rex ZBR5208 Round Flange Cartridge Bracket 2-1/2" Bore Heavy Duty Spherical Roller Bearing 5000 Series - MROSupply.com

***Rex ZBR5208 5000 series heavy duty round flange cartridge bracket mounted spherical roller bearing with a 2-1/2 in (63.5 mm) bore. Cast iron housing with double setscrew locking collar and standard clearance seal.***



## Product details:

- Catalog number: 10438667
- SKU: 507854
- Price: ***$1,510.92*** Each
- Quantity: This product has a minimum order quantity of 5.
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: 
    - [4-Bolt Flange](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/flanged-mounted-bearings/4-bolt-flange/)
    - [Flanged Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/flanged-mounted-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: 26.100 lb
- UPC: 698210685027
- Technicall support: contact supplier for technical support on 800-626-2120


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Available end cap: DTC9
  

  
- Available End Cap: DTC9
  

  
- Available Seal Type: K Light Contact Lip Seal; M Spring Loaded Heavy Contact Lip Seal (Buna and Viton); Z Clearance Seal; G Triple Lip
  

  
- Bearing Brand: REX ROLLER BEARING
  

  
- Bearing housing: FLG CART 4 BLT RND RB
  

  
- Bearing housing material: Cast iron
  

  
- Bearing Type: Spherical roller brg
  

  
- Bolt circle radius (in): 3 3/4 in
  

  
- Bolt Circle Radius (in): 3 3/4 in
  

  
- Bolt hole circle diameter (in): 7 1/2 in
  

  
- Bolt Hole Circle Diameter (in): 7 1/2 in
  

  
- Bolt Size (in): 2.5 in
  

  
- Bore Size (in): 2.5 in
  

  
- C dynamic load rating: 57750 lb
  

  
- Cage Material: Engineered Polymer
  

  
- Clearance: C3 STANDARD
  

  
- Co static load rating: 71500 lb
  

  
- Distance between bolt holes (in): 5 19/64 in
  

  
- Distance Between Bolt Holes (in): 5 19/64 in
  

  
- Fixed expansion: Fixed
  

  
- Fixed vs. Expansion: Fixed
  

  
- Grease fitting size: 1/8 NPT
  

  
- Grease Fitting Thread Size: 1/8 NPT
  

  
- Height: 9.25
  

  
- Housing coating: Powder coated
  

  
- Housing Coating: POWDER COATED
  

  
- Housing Construction: Solid
  

  
- Housing Material: Cast Iron
  

  
- Housing Style: Flange Block
  

  
- Housing Type: Flange, Cartridge
  

  
- Insert: 5208U
  

  
- Length: 9.50
  

  
- Locking device kit: SC9 QTY 2
  

  
- Locking Device Kit: SC9 QTY 2
  

  
- Locking Type: Double Set Collar
  

  
- Lubrication type: EXXON RONEX MP STD
  

  
- Lubrication Type: EXXON RONEX MP STD
  

  
- Max Speed: 2800 rpm
  

  
- Maximum Speed (RPM): 2800 rpm
  

  
- Mounted clearance: C3 standard
  

  
- Mounting bolt size (in): 5/8 in
  

  
- Mounting Bolt Size (in): 5/8 in
  

  
- Net Weight: 26.10
  

  
- Primary seal: Steel clearance seal
  

  
- Primary Seal: STEEL CLEARANCE SEAL
  

  
- Radial Dynamic Load Capacity (lb): 57750 lb
  

  
- Radial Static Load Capacity (lb): 71500 lb
  

  
- Retainer Material: Engineered Polymer
  

  
- Retainer type: Engineered polymer
  

  
- Series: Flanged Cartridge Blocks
  

  
- Service instructions: BR3-001 REX 2, 3, 5, 6, 9000
  

  
- Shaft diameter (in): 2 1/2 in
  

  
- Shaft locking: Double set collar
  

  
- Size code: 9
  

  
- Size Code: 9
  

  
- Threaded cover kit: TC9
  

  
- 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: 0.1701 cps
  

  
- Vibration Frequency Inner Ring Defect: 0.1701 cps
  

  
- Vibration frequency outer ring defect: 0.1299 cps
  

  
- Vibration Frequency Outer Ring Defect: 0.1299 cps
  

  
- Vibration frequency roller spin: 0.0591 cps
  

  
- Vibration Frequency Roller Spin: 0.0591 cps
  

  
- Volume: 1.712
  

  
- Volume unit: GLL
  

  
- Volume Unit: GLL
  

  
- Weight unit: LB
  

  
- Width: 4.50
  
## 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:
- Parts ordered - We were very happy with the parts we ordered.
- Great service-fast shipping - Awesome service. I would highly recommend doing business with MRO! Price was cheapest anywhere
- Mechanic - Great service and fast shipping and great quality of product.
- 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.