# Link-Belt PU323 10411225 PU300 2-Bolt Pillow Block Ball Bearing 1-7/16" Bore Set Screw Lock - MROSupply.com

***Link-Belt PU323 10411225 PU300 2-bolt pillow block ball bearing with 1-7/16" bore, set screw locking, and cast iron housing. Part of the 300 Series heavy-duty ball bearing line with nylon retainer and clearance seal with flingers. Fixed non-expansion design for general industrial applications.***



## Product details:

- Catalog number: 10411225
- SKU: 497887
- Price: ***$323.29*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Link-Belt](https://www.mrosupply.com/brands/link-belt/)
- Category: 
    - [2-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-bearings/2-bolt-pillow-block-bearings/)
    - [Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-bearings/)
    - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 7.770 lb
- UPC: 662327721350
- Returns: Yes
- 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
  

  
- Adjustment slot width (in): Active in
  

  
- Adjustment Slot Width (mm): True mm
  

  
- Available end cap: U3236C
  

  
- Base Length (in): 9.25
  

  
- Base to centerline height (in): 2.375
  

  
- Base Width (in): 2.38
  

  
- Bearing Insert Material: 52100 Bearing Steel
  

  
- Bolt hole spacing (width) (in): 7.38
  

  
- Bore Shape: Straight
  

  
- Bore size (in): 1.4375 in
  

  
- Cage Material: Molded fiber glass reinforced nylon
  

  
- Cage Type: Ball Riding Retainer
  

  
- Distance between bolt holes (in): 7 3/8
  

  
- Distance from Bearing Centerline to Cap Face (in): 1 1/2
  

  
- Distance from Bearing Centerline to Outer Most Bearing Face (in): 1 1/4 in
  

  
- Duty/Series: Heavy duty
  

  
- Fixed vs. Expansion: Fixed
  

  
- Grease Fitting Thread Size: 1/8 NPT
  

  
- Height: 5.50
  

  
- Housing Base: Semi-Solid
  

  
- Housing coating: Powder coated
  

  
- Housing Color: Black
  

  
- Housing construction: One Piece
  

  
- Housing height (in): 4 1/2 in
  

  
- Housing material: Cast iron
  

  
- Housing style: Pillow block
  

  
- Housing type: Pillow Block, Two Bolt
  

  
- Inner Ring Outside Diameter (in): 1.946
  

  
- Insert: UG323L
  

  
- Length: 9.50
  

  
- Length Through Bore (in): 2.09
  

  
- Locking collar outside diameter (in): 2 9/16 in
  

  
- Locking device kit: U3235S
  

  
- Locking Type: Set screw
  

  
- Lubricant: Lithium Complex NLGI 2 Grease
  

  
- Lubrication type: EXXON RONEX MP STD
  

  
- Max distance between bolt holes (in): N double lip seal;H labyrinth seal
  

  
- Max distance between bolt holes (mm): 2 3/8
  

  
- Maximum Speed (RPM): 7550 rpm
  

  
- Maximum Temperature (C): 107 C
  

  
- Maximum Temperature (F): 225 F
  

  
- Misalignment Capability: ±2.0° Misalignment - Static Only
  

  
- Misalignment Type: Static Only
  

  
- Mounted clearance: C3 standard
  

  
- Mounting bolt hole slot length (in): 1 1/8 in
  

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

  
- Mounting pad height (in): 1 in
  

  
- Mounting pad length (in): 9 1/4 in
  

  
- Mounting pad width (in): 2 3/8 in
  

  
- Outer Ring Land Profile: Standard
  

  
- Primary seal: Clearance seal with flingers
  

  
- Radial Dynamic Load Capacity (lb): 7490 lb
  

  
- Radial Static Load Capacity (lb): 4290 lb
  

  
- Retainer type: Nylon
  

  
- Rolling element: Ball Bearing
  

  
- Seal type: Labryinth Seal
  

  
- Setscrew torque (in-lbs): 165-185 in/lbs
  

  
- Size code: 323
  

  
- Total Expansion Capability (in): 3/16 in
  

  
- Unit of dimension: in
  

  
- Vibration frequency fundamental train: 0.0063 cps
  

  
- Vibration frequency inner ring defect: 0.0823 cps
  

  
- Vibration frequency outer ring defect: 0.0510 cps
  

  
- Vibration frequency roller spin: 0.0335 cps
  

  
- Volume: 0.707
  

  
- Volume unit: GLL
  

  
- Width: 3.13
  
## Product documents / software:

- [Link-Belt S/U/W/Y/CL200,U/Y300,U3K00 Series Ball Bearings](https://documents.mrosupply.com/product_documents/24/2436/U3K00-Series-Ball-Bearings_Installation-Manual_0NZaIEg.pdf)
## Alternate products to `Link-Belt PU323 10411225 PU300 2-Bolt Pillow Block Ball Bearing 1-7/16" Bore Set Screw Lock - MROSupply.com`:
- [Link-Belt PU323N (10426217) is a 2-bolt pillow block ball bearing with a 1-7/16" bore, set screw locking, and a cast iron housing. This fixed (non-expansion) unit features a double lip seal and is part of the 300 Series heavy-duty ball bearing line. It is designed for general industrial applications such as conveyors and fans.](https://www.mrosupply.com/products/856013/as-markdown/)






## 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.
