SMITH BEARING Inner Ring: 1 3/4 in Bore, 2.248 in OD, 1.76 in Overall Wd, Alloy Steel
The SMITH BEARING Inner Ring (SKU 49ER14) is an inch-system needle roller bearing inner ring with a 1 3/4 in bore, 2.248 in OD, and 1.76 in overall width, made of alloy steel. This component, referenced as…
SKU 3G-OTH-102614
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Product Description
The SMITH BEARING Inner Ring (SKU 49ER14) is an inch-system needle roller bearing inner ring with a 1 3/4 in bore, 2.248 in OD, and 1.76 in overall width, made of alloy steel. This component, referenced as manufacturer part number IRR-1-3/4, is designed for use with compatible needle roller bearing assemblies.
Frequently Asked Questions
What is a SMITH BEARING inner ring used for?
A SMITH BEARING inner ring serves as the raceway for needle rollers in a bearing assembly, enabling smooth rotary motion under radial loads. It is commonly used in industrial gearboxes, pumps, and material handling equipment where compact, high-load-capacity bearings are required.
What are the specifications of the SMITH BEARING IRR-1-3/4 inner ring?
The SMITH BEARING IRR-1-3/4 inner ring has a 1 3/4 in bore, 2.248 in OD, and 1.76 in overall width. It is made of alloy steel and uses an inch system of measurement. This needle roller bearing inner ring is designed for use with compatible needle roller bearing assemblies.
Where to buy SMITH BEARING inner rings worldwide?
3G Electric supplies SMITH BEARING inner rings like the IRR-1-3/4 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this alloy steel needle roller bearing component.
How to select the correct SMITH BEARING inner ring for an assembly?
To select the correct SMITH BEARING inner ring, match the bore size to your shaft diameter, the OD to the housing bore, and the overall width to the needle roller cage. Verify the system of measurement (inch vs metric) and confirm the part number, such as IRR-1-3/4, against your assembly requirements.
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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.








