Know When You’re Overpaying
The MROSupply Chrome Extension instantly alerts you when the part you're viewing is available for less at MROSupply.
Download Now
We never track your browsing or search history
We never sell your data to third parties
We never sell your data to third parties
Image for Illustration purposes only. Actual product may vary
Koyo JR40X45X20.5 inner race for needle roller bearings, 40 mm bore, 45 mm OD, 20.5 mm width. Solid race design for use with drawn cup or machined ring needle roller bearings. Precision-ground raceway for accurate needle guidance.
MODEL JR40X45X20.5
Returnable: See conditions
Full Complement Needle Roller Bearings The Koyo Bearing JR40X45X20.5 is a high-performance needle roller bearing designed for applications requiring robust support and minimal friction. This solid race inner ring bearing is engineered to accommodate radial loads while providing enhanced performance and reliability in demanding environments.
Key Features
| Precision Engineering | Constructed with high-quality steel, this bearing ensures superior wear resistance and longevity, making it ideal for heavy-duty applications. |
|---|---|
| Compact Design | The full complement design allows for maximum load capacity in a minimal space, enabling efficient use in confined areas. |
| Inner Ring | The solid race inner ring provides a smooth running surface, enhancing the durability and performance of the bearing. |
| Dimensions | With an inner diameter of 40 mm, outer diameter of 45 mm, and a width of 20.5 mm, this bearing is versatile for various fitting requirements. |
| Sealing Options | Available with optional seals for enhanced contamination protection, ensuring reliable operation in harsh conditions. |
Applications
| Automotive Industry | Perfect for integration in engine components and drivetrain systems where space is limited but load capacities are critical. |
|---|---|
| Agricultural Machinery | Suitable for use in farming equipment that demands durability and performance under heavy loads. |
| Industrial Equipment | Ideal for machinery operating in manufacturing and processing environments, providing reliable service in high-demand applications. |
Benefits
| Enhanced Load Capacity | The full complement design allows for a higher number of rollers, significantly increasing the load capacity compared to conventional designs. |
|---|---|
| Reduced Friction | The engineered design minimizes friction, leading to improved efficiency and lower energy consumption during operation. |
| Durability and Reliability | Built to last, this bearing withstands harsh operating conditions, ensuring long-term reliability and reduced maintenance costs. |
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.
$3,258.94
Each
Free Shipping orders over $100
$12.03
Each
Free shipping
#2127453
$732.77
Each
Free Shipping orders over $100
#1841645
MagPowr TS500PC-EC12 Tension Sensor
| Brand | MagPowr |
| Model | TS500PC-EC12 |
Click for 10% off
$1,130.00
Each
Free Shipping orders over $100
#746293
Climax Metal C123E-168 is a one-piece set screw shaft collar with a 1-11/16" bore, made of zinc-plated steel. The set screw provides point-load axial positioning for light-duty applications. This collar is suitable for shaft stops, component retention, and general positioning in industrial machinery.
| Brand | Climax Metal |
| Model | C123E-168 |
$83.29
Each
Free shipping
#5805769
Hubbell HBL18MBBL is a single pole series 18 receptacle male body in blue. This wiring device is designed for industrial applications requiring a reliable male body connection. The blue color coding aids in identification. Constructed with durable materials for long-lasting performance.
| Brand | Hubbell Wiring |
| Model | HBL18MBBL |
$13.50
Each
Free shipping
#2289220
$214.59
Each
Free Shipping orders over $100
#6554505
Consolidated Bearings 35 X 58 X 10 MM oil seal metric. This nitrile rubber seal features a double lip design for effective lubrication retention and contamination exclusion. Suitable for rotating shaft applications requiring a 35mm shaft diameter, 58mm housing bore, and 10mm width. Consolidated Bearings oil seals are manufactured to metric dimensional standards for reliable sealing performance.
| Brand | Consolidated Bearings |
| Model | 35 X 58 X 10 MM |
$18.45
Each
Free shipping