SMITH BEARING Inner Ring: 2 7/8 in Bore, 3.498 in OD, 2.01 in Overall Wd, Alloy Steel
The SMITH BEARING Inner Ring (SKU 3G-OTH-103016) is a needle roller bearing inner ring with a 2 7/8 in bore, 3.498 in OD, and 2.01 in overall width, made of alloy steel. This inch-system component, identified by…
SKU 3G-OTH-103016
Also listed as: IRR278 · IRR 2 7 8 · IRR-2-7-8
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The SMITH BEARING Inner Ring (SKU 3G-OTH-103016) is a needle roller bearing inner ring with a 2 7/8 in bore, 3.498 in OD, and 2.01 in overall width, made of alloy steel. This inch-system component, identified by manufacturer part number IRR-2-7/8, 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 serves as the raceway for needle roller bearings in rotating assemblies. It supports radial loads in applications such as gearboxes, pumps, and material handling equipment. This alloy steel ring with a 2 7/8 in bore is designed for inch-system machinery requiring precise shaft support.
What are the specifications of the SMITH BEARING IRR-2-7/8 inner ring?
The SMITH BEARING IRR-2-7/8 inner ring has a 2 7/8 in bore, 3.498 in OD, and 2.01 in overall width. It is made of alloy steel and uses inch-system measurements. The manufacturer part number is IRR-2-7/8, and it 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-2-7/8 to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. As a sourcing partner across 14 industrial departments, we provide genuine components and support for procurement anywhere.
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 and confirm the OD and width fit your housing. Verify the system of measurement—inch or metric—and ensure compatibility with your needle roller bearing. For the IRR-2-7/8, the bore is 2 7/8 in and OD is 3.498 in.
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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.
