# SealMaster ER-8 Mounted Bearing Insert 1/2" Bore Set Screw Lock Gold Line - MROSupply.com

***SealMaster ER-8 mounted bearing insert, 1/2" bore, Gold Line. Features 52100 bearing steel race with black oxide coating, single setscrew locking, and felt-labyrinth seal. Designed to replace worn inserts in SealMaster pillow block, flange, and take-up housings.***



## Product details:

- Catalog number: ER-8
- SKU: 420072
- Price: ***$63.55*** Each
- Quantity: This product has a minimum order quantity of 25.
This is the minimum order quantity available when purchasing this product.
- 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: 0.550 lb
- UPC: 662461008478
- 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): 0.813
  

  
- Duty: Standard
  

  
- End Cap: No
  

  
- Expansion: No
  

  
- Height: 2.38
  

  
- Housing: Insert (ER Style)
  

  
- I.D.: 0.5
  

  
- Inner Race Heat Treat Method: Zone-Hardened
  

  
- Inner Race Length (in): 1.219
  

  
- Inner Race Profile: Wide Inner Ring
  

  
- Inner Ring OD (in): 1.188
  

  
- Insert Material: 52100 Bearing Steel, Black Oxided
  

  
- Internal Clearance: Standard
  

  
- Length: 2.38
  

  
- Locking: Single Setscrew
  

  
- Lubrication Type: Lithium Complex NLGI 2 Grease
  

  
- Max Operating Temperature (F): 220
  

  
- Maximum Speed (RPM): 7300
  

  
- Measure Unit: Inch
  

  
- Misalignment Capability: None
  

  
- Misalignment Type: Static Only
  

  
- Outer Race OD (in): 1.85
  

  
- Outer Race Profile: Cylindrical
  

  
- Outer Race Width (in): 0.625
  

  
- Outer Ring Land Profile: Tapered Lands
  

  
- Overall Width (in): 1.219
  

  
- Platform: Gold Line Ball Bearing
  

  
- Precision Rating: ABEC 1
  

  
- Radial Dynamic Load Capacity (lb): 2611
  

  
- Radial Static Load Capacity (lb): 1444
  

  
- Radius: 0.04
  

  
- Retainer Type: Land Riding Retainer
  

  
- Rolling element: Ball
  

  
- Seal: Felt Labyrinth Seal
  

  
- Width: 1.44
  
## 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-8/regalpts_beloit_EPTCAD-ER-8-DEFAULT_Uj0XL8B.IGS)
## Alternate products to `SealMaster ER-8 Mounted Bearing Insert 1/2" Bore Set Screw Lock Gold Line - MROSupply.com`:
- [AMI SER201-8 200 series insert bearing with 1/2" (12.7mm) bore, set screw locking, and wide inner ring. Chrome steel construction for normal duty applications. Designed for use in mounted bearing assemblies.](https://www.mrosupply.com/products/18126/as-markdown/)

## Product's reviews:
- Excelent - excelent
- Solutions - Fast service, and excellent competitive price.
- Bearing - It was delivered on time
- 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.




## 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.