SMITH BEARING Inner Ring: 1 1/4 in Bore, 1.499 in OD, 1.26 in Overall Wd, Alloy Steel
The SMITH BEARING Inner Ring (SKU 49EP98, IRR-1-1/4) is an inch-system needle roller bearing inner ring with a 1 1/4 in bore, 1.499 in OD, and 1.26 in overall width, made from alloy steel. This SMITH BEARING…
SKU 3G-OTH-102139
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Product Description
The SMITH BEARING Inner Ring (SKU 49EP98, IRR-1-1/4) is an inch-system needle roller bearing inner ring with a 1 1/4 in bore, 1.499 in OD, and 1.26 in overall width, made from alloy steel. This SMITH BEARING component is designed for use with compatible needle roller bearings.
Frequently Asked Questions
What is a SMITH BEARING inner ring used for?
A SMITH BEARING inner ring, such as the IRR-1-1/4, serves as the raceway for needle roller bearings in inch-system applications. It supports radial loads in machinery like gearboxes, conveyors, and pumps, ensuring precise shaft alignment and reduced friction in rotating assemblies.
What are the specifications of the SMITH BEARING IRR-1-1/4 inner ring?
The SMITH BEARING IRR-1-1/4 inner ring has a 1 1/4 in bore, 1.499 in OD, and 1.26 in overall width. It is made from alloy steel, uses an inch system of measurement, and is designed for use with compatible needle roller bearings.
Where to buy SMITH BEARING inner rings worldwide?
3G Electric supplies SMITH BEARING inner rings like the IRR-1-1/4 to customers worldwide. We handle full logistics, customs clearance, and delivery, sourcing genuine industrial components across 14 departments. Contact us for availability and lead times on this alloy steel bearing component.
How to select the correct SMITH BEARING inner ring for an application?
To select the correct SMITH BEARING inner ring, match the bore size to your shaft diameter (e.g., 1 1/4 in for the IRR-1-1/4), verify the OD and width fit the housing, and confirm the system of measurement (inch). Ensure compatibility with the needle roller bearing series for proper load distribution.
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3G Electric supplies SMITH BEARING needle roller bearing inner rings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










