# Rex ZEP2300 Type-E Pillow Block Spherical Roller Bearing 3" Bore 2000 Series Normal Duty Fixed Cast Iron Single Setscrew Locking Collar Clearance Seal - MROSupply.com

***Rex ZEP2300 Type-E pillow block spherical roller bearing, 2000 series normal duty, 3 in (76.2 mm) bore, fixed cast iron housing, single setscrew locking collar, clearance seal.***



## Product details:

- Catalog number: 10443372
- SKU: 508392
- Price: ***$815.62*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Rexnord](https://www.mrosupply.com/brands/rexnord/)
- Category: 
    - [2-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/pillow-block-bearings/2-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: 27.500 lb
- UPC: 698210678012
- 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: 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 Seal
  

  
- Base Length (in): 11.81
  

  
- Base to centerline height (in): 3.125
  

  
- Base Width (in): 3.19
  

  
- Bearing Brand: REX ROLLER BEARING
  

  
- Bearing housing: Pillow block 2 bolt type E
  

  
- Bearing housing material: Cast iron
  

  
- Bearing Type: Spherical roller brg
  

  
- Bolt Size (in): 3/4
  

  
- Bore Size (in): 3 in
  

  
- C dynamic load rating: 57750 lb
  

  
- Cage Material: Engineered Polymer
  

  
- Clearance: C3 STANDARD
  

  
- Co static load rating: 71500 lb
  

  
- Fixed expansion: Fixed
  

  
- Fixed vs. Expansion: Fixed
  

  
- Foot Height (in): 1.88
  

  
- Grease fitting size: 1/8 NPT
  

  
- Grease Fitting Thread Size: 1/8 NPT
  

  
- Height: 13.50
  

  
- Housing Cast Face to Outermost Bearing Face (in): 0.88
  

  
- 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, Two Bolt, Type E
  

  
- Inner Ring Outside Diameter (in): 3.37
  

  
- Insert: 2300U
  

  
- Length: 7.25
  

  
- Length Through Bore (in): 4
  

  
- Locking collar outside diameter (in): 4.06
  

  
- Locking device kit: SC9
  

  
- Locking Device Kit: SC9
  

  
- Locking Type: Single Set Collar
  

  
- Lubrication type: EXXON RONEX MP STD
  

  
- Lubrication Type: EXXON RONEX MP STD
  

  
- Max distance between bolt holes (in): 9.75
  

  
- Max Speed: 2800 rpm
  

  
- Maximum Speed (RPM): 2800 rpm
  

  
- Maximum Temperature (C): 107
  

  
- Maximum Temperature (F): 225
  

  
- Microlock kit: ML3
  

  
- Min distance between bolt holes (in): 7.81
  

  
- Misalignment Capability: ±2.0° Misalignment - Dynamic
  

  
- Misalignment Type: Dynamic
  

  
- Mounted clearance: C3 standard
  

  
- Net Weight: 27.50
  

  
- Overall Length (in): 11.81
  

  
- Overall width: 4
  

  
- 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
  

  
- Seal kit: ZS9
  

  
- Seal type: Clearance Seal
  

  
- Series: Solid-housed Pillow Blocks
  

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

  
- Setscrew torque (in-lbs): 680
  

  
- Shaft locking: Single 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: 1.299
  

  
- Volume unit: GLL
  

  
- Volume Unit: GLL
  

  
- Weight unit: LB
  

  
- Width: 5.50
  
## Product documents / software:

- [3D SAT](https://documents.mrosupply.com/product_documents/ZE/ZEP2300/rexnord_3d_sat_ZEP2300_sKRxTxv.sat)
- [Rex 2000, 3000, 5000, 9000 Series Roller Bearings](https://documents.mrosupply.com/product_documents/BM/BMT52111/000-Series-Roller-Bearings_Installation-Manual_PK8BJAF.pdf)
- [2D DXF](https://documents.mrosupply.com/product_documents/ZE/ZEP2300/rexnord_2d_dxf_ZEP2300_CwlnIjm.dxf)
## Alternate products to `Rex ZEP2300 Type-E Pillow Block Spherical Roller Bearing 3" Bore 2000 Series Normal Duty Fixed Cast Iron Single Setscrew Locking Collar Clearance Seal - MROSupply.com`:
- [SKF P2BE 300-SRB-SRH 2-bolt spherical-roller pillow block bearing unit for 3-inch shaft with set screw locking. Cast-iron housing supports a spherical-roller insert for high radial load capacity and self-alignment. Suitable for heavy-duty industrial applications such as conveyors, fans, and mining equipment.](https://www.mrosupply.com/products/96748773/as-markdown/)

## Product's reviews:
- Mechanic - Great service and fast shipping and great quality of product.
- Rexnord idler pulley - Great pricing and fast shipping A +++++++++
- Good - On time good
- 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.
