# Link-Belt PU347 10427691 2-Bolt Pillow Block Ball Bearing 2-15/16" Bore Set Screw Locking Cast Iron Housing - MROSupply.com

***Link-Belt PU347 10427691 2-bolt pillow block ball bearing with 2-15/16" bore, single set collar 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: 10427691
- SKU: 497950
- Price: ***$1,298.96*** 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: 74.000 lb
- UPC: 662327721374
- 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: U3476C
  

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

  
- Base Length (in): 15.13
  

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

  
- Base Width (in): 4
  

  
- Bearing housing: Pillow block 2 bolt 300 series
  

  
- Bearing housing material: Cast iron
  

  
- Bearing Insert Material: 52100 Bearing Steel
  

  
- Bearing Type: Heavy duty ball brg
  

  
- Bore diameter (in): 2.9375
  

  
- Bore length (in): 4 3/32 in
  

  
- Bore Shape: Straight
  

  
- C dynamic load rating: 26140 lb
  

  
- Cage Material: Molded fiber glass reinforced nylon
  

  
- Cage Type: Ball Riding Retainer
  

  
- Co static load rating: 17300 lb
  

  
- Distance between bolt holes (in): 12 in
  

  
- Distance from Bearing Centerline to Cap Face (in): 2 3/4 in
  

  
- Distance from Bearing Centerline to Outer Most Bearing Face (in): 2 3/8 in
  

  
- Fixed expansion: Fixed
  

  
- Foot Height (in): 1.75
  

  
- Grease fitting size: 1/8 NPT
  

  
- Height: 15.75
  

  
- Housing Base: Semi-Solid
  

  
- Housing coating: Powder coated
  

  
- Housing Color: Black
  

  
- Housing construction: One Piece
  

  
- Housing height (in): 8 3/8 in
  

  
- Inner Ring Outside Diameter (in): 3.99
  

  
- Insert: UG347L
  

  
- Length: 9.13
  

  
- Locking collar outside diameter (in): 4 15/16 in
  

  
- Locking device kit: U3475S
  

  
- Lubricant: Lithium Complex NLGI 2 Grease
  

  
- Lubrication type: EXXON RONEX MP STD
  

  
- Max Speed: 3700 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 5/8 in
  

  
- Mounting bolt size (in): 7/8 in
  

  
- Mounting pad height (in): 1 3/4 in
  

  
- Mounting pad length (in): 15 1/8 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): 620-680 in/lbs
  

  
- Shaft diameter (in): 2 15/16 in
  

  
- Shaft locking: Single set collar
  

  
- Size code: 347
  

  
- Total expansion capability: 7/32 in
  

  
- Type of seal: Clearance seal
  

  
- Unit of dimension: in
  

  
- Vibration frequency fundamental train: 0.0065 cps
  

  
- Vibration frequency inner ring defect: 0.0820 cps
  

  
- Vibration frequency outer ring defect: 0.0513 cps
  

  
- Vibration frequency roller spin: 0.0343 cps
  

  
- Volume: 3.266
  

  
- Volume unit: GLL
  

  
- Width: 5.25
  
## 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.