# Link-Belt P2U339 10424445 2-Bolt Pillow Block Ball Bearing 2-7/16" Bore Single Set Collar Lock - MROSupply.com

***Link-Belt P2U339 10424445 2-bolt pillow block ball bearing with 2-7/16" bore, single set collar locking, and cast iron housing. Part of the 300 Series heavy-duty ball bearing line with powder-coated housing, nylon retainer, and clearance seal with flingers. Fixed (non-expansion) design for general industrial applications.***



## Product details:

- Catalog number: 10424445
- SKU: 497994
- Price: ***$938.46*** 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: 30.300 lb
- UPC: 662327708108
- 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
  

  
- Available end cap: U3396C
  

  
- Available seal type: N double lip seal;H labyrinth seal
  

  
- Base Length (in): 13.75
  

  
- Base to centerline height (in): 4 1/8 in
  

  
- Base Width (in): 4
  

  
- Bearing housing: PB 2 BLT HIGH BCL 300 SERIES
  

  
- Bearing housing material: Cast iron
  

  
- Bearing Insert Material: 52100 Bearing Steel
  

  
- Bearing Type: Heavy duty ball brg
  

  
- Bolt hole spacing (width) (in): 11.25
  

  
- Bore diameter (in): 2.4375
  

  
- Bore length (in): 3 5/16 in
  

  
- Bore Shape: Straight
  

  
- C dynamic load rating: 18390 lb
  

  
- Cage Material: Molded fiber glass reinforced nylon
  

  
- Cage Type: Ball Riding Retainer
  

  
- Co static load rating: 11700 lb
  

  
- Distance between bolt holes (in): 11 1/4 in
  

  
- Distance from Bearing Centerline to Cap Face (in): 2 7/16 in
  

  
- Distance from Bearing Centerline to Outer Most Bearing Face (in): 1 15/16 in
  

  
- Fixed expansion: Fixed
  

  
- Foot Height (in): 1.5
  

  
- Grease fitting size: 1/8 NPT
  

  
- Height: 13.75
  

  
- Housing Base: Semi-Solid
  

  
- Housing coating: Powder coated
  

  
- Housing Color: Black
  

  
- Housing construction: One Piece
  

  
- Housing height (in): 7 1/2 in
  

  
- Housing style: Pillow Block
  

  
- Housing type: Pillow Block, Two Bolt, High Base
  

  
- Inner Ring Outside Diameter (in): 3.216
  

  
- Insert: UG339L
  

  
- Length: 7.38
  

  
- Locking collar outside diameter (in): 4 3/16 in
  

  
- Locking device kit: U3395S
  

  
- Lubricant: Lithium Complex NLGI 2 Grease
  

  
- Lubrication type: EXXON RONEX MP STD
  

  
- Max Speed: 4450 rpm
  

  
- Max temperature (°F (°C)): 225 (107) F (C)
  

  
- Maximum Temperature (C): 107
  

  
- Misalignment Capability: ±2.0° Misalignment - Static Only
  

  
- Misalignment Type: Static Only
  

  
- Mounted clearance: C3 standard
  

  
- Mounting bolt hole slot length (in): 1 3/8 in
  

  
- Mounting bolt size (in): 3/4 in
  

  
- Mounting pad height (in): 1 1/2 in
  

  
- Mounting pad length (in): 13 3/4 in
  

  
- Mounting pad width (in): 4 in
  

  
- Outer Ring Land Profile: Standard
  

  
- Primary seal: Clearance seal with flingers
  

  
- Retainer type: Nylon
  

  
- Rolling element: Ball Bearing
  

  
- Service instructions: BR3-007 LB 200 ball-300 ball
  

  
- Setscrew torque (in-lbs): 430-460 in/lbs
  

  
- Shaft diameter (in): 2 7/16 in
  

  
- Shaft locking: Single set collar
  

  
- Size code: 339
  

  
- Total expansion capability: 9/32 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: 0.0337 cps
  

  
- Volume: 1.975
  

  
- Volume unit: GLL
  

  
- Width: 4.50
  
## 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)






## 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.