# Koyo HJ-122016 Solid Race Needle Roller Bearing - 31.75 mm Bore, Open Type - MROSupply.com

***Koyo HJ-122016 solid race needle roller bearing with a 31.75 mm bore, 1.25 inch outer diameter, and 1 inch width. Open type design without seals for applications requiring high radial load capacity in a compact cross-section.***



## Product details:

- Catalog number: HJ-122016
- SKU: 1496443
- Price: ***$28.56*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Koyo Bearing](https://www.mrosupply.com/brands/koyo-bearing/)
- Category: 
    - [Outer Race](htts://www.mrosupply.com/bearings/roller-bearings/needle-roller-bearings/outer-race/)
    - [Needle Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/needle-roller-bearings/)
    - [Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 0.160 lb
- UPC: 60579018620


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Bearing Design: Outer Ring & Roller Assembly
  

  
- Dynamic Load Rating: 6190 lbf
  

  
- Housing Bore - Loose Fit [MAX]: 1.251 in
  

  
- Housing Bore - Loose Fit [MIN]: 1 1/4 in
  

  
- Housing Bore - Tight Fit [MAX]: 1 1/4 in
  

  
- Housing Bore - Tight Fit [MIN]: 1.249 in
  

  
- Housing Shoulder Diameter: 1.063 in
  

  
- I.D.: 3/4 in
  

  
- Limiting Speed - Grease: 16000 rpm
  

  
- Limiting Speed - Oil: 25000 rpm
  

  
- O.D.: 1 1/4 in
  

  
- Oil Hole: w/Oil Hole
  

  
- Origin: Needle Radial
  

  
- Precision Ground: Yes
  

  
- Self Aligning: No
  

  
- Static Load Rating [MAX]: 7580 lbf
  

  
- Width: 1 in
  

## Alternate products to `Koyo HJ-122016 Solid Race Needle Roller Bearing - 31.75 mm Bore, Open Type - MROSupply.com`:
- [McGill MR 12 CAGEROL machined-race radial needle roller bearing (size 12) with cage-guided needle rollers and unsealed construction. Built from 52100 bearing steel for high radial load capacity in a compact section. Used in transmissions, planetary gearboxes, and oscillating linkages.](https://www.mrosupply.com/products/2251614/as-markdown/)
- [IKO Bearing BR122016 Machined Type Needle Roller Bearings, 3/4" Inside Diameter, 1 1/4" Outside Diameter, 1" Width, High Carbon Steel, Oil Hole](https://www.mrosupply.com/products/861205/as-markdown/)

## Product's reviews:
- Koyo roller bearing inner ring - Good product.
- Great service - great items at great price
- Admin assistance - good product!




## 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.