We never sell your data to third parties
Image for Illustration purposes only. Actual product may vary
Koyo NK43/20A is a machined ring needle roller bearing with a 43 mm bore, 53 mm OD, and 20 mm width. It features an open-type solid race design without inner ring, suitable for compact radial load applications in gearboxes and industrial machinery.
MODEL NK43/20A
$75.74 Each
Prices are subject to change
FREE SHIPPING ON ORDERS OVER $100
Select Quantity
Typically Ships in: 1 day
Returnable: See conditions
Bearing Design
Outer Ring & Roller Assembly
I.D.
43 mm
O.D.
53 mm
Oil Hole
w/Oil Hole
Origin
Needle Radial
Precision Ground
Yes
Self Aligning
No
Width
20 mm
- Best used for high radial load applications
- Made from premium high carbon high chromium Japanese steel
- Available with no inner ring (NK NKS RNAO RNA2200 RNA48
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.
| Brand | IKO Bearing |
| Model | NAX4032Z |
| Brand | Jason Industrial |
| Model | 120AT10/1280 |
| Brand | E-T-A |
| Model | 2210-S231-P1F2-Z241-2.5A |
| Brand | Alvord-Polk Tool |
| Model | NAS897-A-0.1795-S |
| Brand | Coilhose |
| Model | A253-32 |