# Rex KP5115F 1-15/16" 5000 Series Heavy Duty Pillow Block Bearing, Fixed 4-Bolt, Double Setscrew Locking, Light Contact Lip Seal - MROSupply.com

***Rex KP5115F 5000 series heavy duty mounted spherical roller bearing in a cast iron fixed 4-bolt pillow block housing. 1-15/16 in (49.21 mm) bore with double setscrew locking collar and single lip light contact seal. Designed for high-load applications requiring a non-expansion bearing.***



## Product details:

- Catalog number: 10438094
- SKU: 503607
- Price: ***$776.20*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Rexnord](https://www.mrosupply.com/brands/rexnord/)
- Category: 
    - [4-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/pillow-block-bearings/4-bolt-pillow-block-bearings/)
    - [Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/pillow-block-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: 15.800 lb
- UPC: 698210642266
- 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
  

  
- Available end cap: DTC6
  

  
- Available End Cap: DTC6
  

  
- 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 Length (in): 9.75
  

  
- Base to centerline height (in): 2.5
  

  
- Base Width (in): 4
  

  
- Bearing Brand: REX ROLLER BEARING
  

  
- Bearing housing: Pillow block 4 bolt type ZP
  

  
- Bearing housing material: Cast iron
  

  
- Bearing Type: Spherical roller brg
  

  
- Bolt Hole Spacing [Width] (in): 2.25
  

  
- Bolt Size (in): 5/8
  

  
- Bore Size (in): 1.9375 in
  

  
- C dynamic load rating: 28890 lb
  

  
- Cage Material: Engineered Polymer
  

  
- Clearance: C3 STANDARD
  

  
- Co static load rating: 33200 lb
  

  
- Distance between bolt holes (in): 7
  

  
- Fixed expansion: Fixed
  

  
- Fixed vs. Expansion: Fixed
  

  
- Foot Height (in): 1
  

  
- Grease fitting size: 1/8 NPT
  

  
- Grease Fitting Thread Size: 1/8 NPT
  

  
- Height: 11.25
  

  
- Housing Cast Face to Outermost Bearing Face (in): 0.69
  

  
- Housing coating: Powder coated
  

  
- Housing Coating: POWDER COATED
  

  
- Housing Color: Black
  

  
- Housing Construction: Solid
  

  
- Housing Material: Cast Iron
  

  
- Housing Style: Pillow Block
  

  
- Housing Type: Pillow Block, Four Bolt
  

  
- Inner Ring Outside Diameter (in): 2.307
  

  
- Insert: 5115U
  

  
- Length: 6.50
  

  
- Length Through Bore (in): 3.81
  

  
- Locking collar outside diameter (in): 2.88
  

  
- Locking device kit: SC6 QTY 2
  

  
- Locking Device Kit: SC6 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
  

  
- Maximum Temperature (C): 107
  

  
- Maximum Temperature (F): 225
  

  
- Microlock kit: ML2
  

  
- Misalignment Capability: ±2.0° Misalignment - Dynamic
  

  
- Misalignment Type: Dynamic
  

  
- Mounted clearance: C3 standard
  

  
- Net Weight: 15.80
  

  
- Overall Length (in): 9.75
  

  
- Overall width: 4
  

  
- Primary seal: BUNA SGL lip light contact
  

  
- Primary Seal: BUNA SGL LIP LIGHT CONTACT
  

  
- Radial Dynamic Load Capacity (lb): 28890 lb
  

  
- Radial Static Load Capacity (lb): 33200 lb
  

  
- Retainer Material: Engineered Polymer
  

  
- Retainer type: Engineered polymer
  

  
- Seal kit: KS6
  

  
- Seal type: Single Lip Contact Seal
  

  
- Series: Solid-housed Pillow Blocks
  

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

  
- Setscrew torque (in-lbs): 325
  

  
- Shaft locking: Double set collar
  

  
- Size code: 6
  

  
- Size Code: 6
  

  
- Slot Length (in): 1.25
  

  
- Threaded cover kit: TC6
  

  
- 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: 0.1617 cps
  

  
- Vibration Frequency Inner Ring Defect: 0.1617 cps
  

  
- Vibration frequency outer ring defect: 0.1217 cps
  

  
- Vibration Frequency Outer Ring Defect: 0.1217 cps
  

  
- Vibration frequency roller spin: 0.0559 cps
  

  
- Vibration Frequency Roller Spin: 0.0559 cps
  

  
- Volume: 0.908
  

  
- Volume unit: GLL
  

  
- Volume Unit: GLL
  

  
- Weight unit: LB
  

  
- Width: 5.00
  
## 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)

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## 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.