# SealMaster ER-39 Mounted Bearing Insert 2.438" Bore Set Screw Lock Felt-Labyrinth Seal - MROSupply.com

***SealMaster ER-39 is a 2.438" bore mounted bearing insert (ER style) from the Gold Line. It features a 52100 bearing steel race with black oxide coating, single setscrew lock, and felt-labyrinth seal. Pre-lubricated for general industrial applications.***



## Product details:

- Catalog number: 701086
- SKU: 421750
- Price: ***$144.63*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [SealMaster](https://www.mrosupply.com/brands/sealmaster/)
- Category: 
    - [Inserts & Cartridges](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/inserts-cartridges/)
    - [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: 3.680 lb
- UPC: 662461008843
- 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
  

  
- Bearing Insert Coating: Black Oxide Coated
  

  
- Bore Shape: Straight
  

  
- Cage Material: PPS
  

  
- Centerline to Front Face (in): 1.563
  

  
- Duty: Standard
  

  
- End Cap: No
  

  
- Expansion: No
  

  
- Grease Fitting Thread Size: 5/8-18 UNF X .625
  

  
- Height: 4.81
  

  
- Housing: Insert (ER Style)
  

  
- I.D.: 2.4375
  

  
- Inner Race Heat Treat Method: Zone-Hardened
  

  
- Inner Race Length (in): 2.563
  

  
- Inner Race Profile: Wide Inner Ring
  

  
- Inner Ring OD (in): 2.984
  

  
- Insert Material: 52100 Bearing Steel, Black Oxided
  

  
- Internal Clearance: Standard
  

  
- Length: 4.75
  

  
- Locking: Single Setscrew
  

  
- Lubrication Type: Lithium Complex NLGI 2 Grease
  

  
- Max Operating Temperature (F): 220
  

  
- Maximum Speed (RPM): 3000
  

  
- Measure Unit: Inch
  

  
- Misalignment Capability: None
  

  
- Misalignment Type: Static Only
  

  
- Outer Race OD (in): 4.331
  

  
- Outer Race Profile: Cylindrical
  

  
- Outer Race Width (in): 1.25
  

  
- Outer Ring Land Profile: Tapered Lands
  

  
- Overall Width (in): 2.563
  

  
- Platform: Gold Line Ball Bearing
  

  
- Precision Rating: ABEC 1
  

  
- Radial Dynamic Load Capacity (lb): 11789
  

  
- Radial Static Load Capacity (lb): 8150
  

  
- Radius: 0.08
  

  
- Retainer Type: Land Riding Retainer
  

  
- Rolling element: Ball
  

  
- Seal: Felt Labyrinth Seal
  

  
- Set Screw Thread: 3/8-24 UNF X .38
  

  
- Width: 2.63
  
## Product documents / software:

- [Catalog Page](https://documents.mrosupply.com/product_documents/ER/ERX-32%20RL/MCC12004E_Sec_G-107_vxq1FYp.pdf)
- [Instruction Sheet](https://documents.mrosupply.com/product_documents/ER/ERX-32%20RL/740-0002_G-CH-I_WqA71LX.PDF)
- [3D Drawing IGES](https://documents.mrosupply.com/product_documents/ER/ER-39/regalpts_beloit_EPTCAD-er-39-DEFAULT_puWoCyw.IGS)
## Alternate products to `SealMaster ER-39 Mounted Bearing Insert 2.438" Bore Set Screw Lock Felt-Labyrinth Seal - MROSupply.com`:
- [Dodge 127393 INS-ER-SC-207 ER style ball bearing insert with 2-7/16" bore and set screw locking. Standard duty for general industrial applications with DualGuard seals and flingers for reliable protection. Bearing steel insert, relubrication capable.](https://www.mrosupply.com/products/2218340/as-markdown/)
- [AMI SER212-39 200 series insert bearing with 2-7/16" (61.913mm) bore, set screw locking, and wide inner ring. Chrome steel construction for normal duty applications. Designed for reliable shaft support in mounted bearing units.](https://www.mrosupply.com/products/13747/as-markdown/)
- [AMI SER212-39FSX insert bearing with 2-7/16" (61.913mm) bore, set screw locking, and wide inner ring. Chrome steel construction for normal duty industrial applications. Single row ball bearing design.](https://www.mrosupply.com/products/798256/as-markdown/)

## Product's reviews:
- Response - Very knowledgeable sales rep. Excellent delivery time. Very important when supply chains are challenging.
- Drum bearing - Very easy to order, arrived very quickly, We will be ordering more items from here in the future.
- Owner - Your shipment was quick and you have a great price on
Sealmaster bearings. Your Gates and Browning Power Belts were higher than I expected. Great Service Great Price. We have to get right or get left in this market in this market.
- Bearing - It was delivered on time




## 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.