SMITH BEARING Inner Ring: 1 1/8 in Bore, 1.374 in OD, 1.01 in Overall Wd, Alloy Steel
The SMITH BEARING Inner Ring (SKU 49EP96) is an inch-system needle roller bearing inner ring with a 1 1/8 in bore, 1.374 in OD, and 1.01 in overall width, made of alloy steel. This IRR-1-1/8 component is designed for…
SKU 3G-OTH-104472
Need installation or engineering help?
Ask a question
Product Description
The SMITH BEARING Inner Ring (SKU 49EP96) is an inch-system needle roller bearing inner ring with a 1 1/8 in bore, 1.374 in OD, and 1.01 in overall width, made of alloy steel. This IRR-1-1/8 component is designed for use with compatible needle roller bearings.
Frequently Asked Questions
What is the SMITH BEARING Inner Ring IRR-1-1/8 used for?
The SMITH BEARING Inner Ring IRR-1-1/8 is a needle roller bearing inner ring used in industrial machinery to provide a hardened raceway for needle rollers. It is commonly applied in gearboxes, pumps, and conveyor systems where compact radial load support is required.
What are the specifications of the SMITH BEARING Inner Ring IRR-1-1/8?
The SMITH BEARING Inner Ring IRR-1-1/8 has a 1 1/8 in bore, 1.374 in OD, and 1.01 in overall width. It is made of alloy steel and uses the inch system of measurement. The manufacturer part number is IRR-1-1/8.
Where to buy the SMITH BEARING Inner Ring IRR-1-1/8 worldwide?
You can source the SMITH BEARING Inner Ring IRR-1-1/8 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the component reaches your facility reliably.
How to select the correct SMITH BEARING Inner Ring for a needle roller bearing?
To select the correct SMITH BEARING Inner Ring, match the bore size to your shaft diameter (1 1/8 in for the IRR-1-1/8) and confirm the OD and width are compatible with your needle roller bearing assembly. Always verify the system of measurement—inch versus metric—to avoid misalignment.
Used in
Common applications for SMITH BEARINGSMITH BEARING Products
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.










