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SMITH BEARING Inner Ring: 3 3/8 in Bore, 3.998 in OD, 2.01 in Overall Wd, Alloy Steel - Needle Roller Bearing Inner Rings
SMITH BEARINGNeedle Roller Bearing Inner Rings

SMITH BEARING Inner Ring: 3 3/8 in Bore, 3.998 in OD, 2.01 in Overall Wd, Alloy Steel

The SMITH BEARING Inner Ring: 3 3/8 in Bore is an inch-system needle roller bearing inner ring with a 3.998 in outer diameter and 2.01 in overall width, made of alloy steel. This IRR-3-3/8 component is designed for…

SKU 3G-OTH-103909

Also listed as: IRR338 · IRR 3 3 8 · IRR-3-3-8

Brand
SMITH BEARING
Item
Inner Ring: 3 3/8 in Bore, 3.998 in OD, 2.01 in Overall Wd, Alloy Steel
Category
Needle Roller Bearing Inner Rings
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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.

Technical Specifications

SMITH BEARING
Manufacturer Part Number
IRR-3-3/8
Type
Alloy Steel, IRR-3-3/8
OD
3.998 in
Overall Wd
2.01 in
System of Measurement
Inch

Technical Documents

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SMITH BEARING Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SMITH BEARING Inner Ring: 3 3/8 in Bore is an inch-system needle roller bearing inner ring with a 3.998 in outer diameter and 2.01 in overall width, made of alloy steel. This IRR-3-3/8 component is designed for use with compatible needle roller bearings.

Frequently Asked Questions

What is the SMITH BEARING Inner Ring IRR-3-3/8 used for?

The SMITH BEARING Inner Ring IRR-3-3/8 is a needle roller bearing inner ring used in industrial machinery to provide a precision 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-3-3/8?

The SMITH BEARING Inner Ring IRR-3-3/8 has a 3 3/8 in bore, 3.998 in outer diameter, and 2.01 in overall width. It is made of alloy steel and uses the inch system of measurement. This component is designed for use with compatible needle roller bearings.

Where to buy the SMITH BEARING Inner Ring IRR-3-3/8 worldwide?

You can source the SMITH BEARING Inner Ring IRR-3-3/8 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

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, the outer diameter to the housing, and the overall width to the bearing assembly. Verify the system of measurement (inch) and confirm the alloy steel material suits your load and speed requirements.

Used in

Common applications for SMITH BEARING
Packaging machinery — SMITH BEARING MCR series stud cam followers for cam actuation in carton erectors and case sealers.
Conveyor systems — SMITH BEARING HR series heavy stud cam followers for roller guidance in belt conveyors and chain drives.
Automated assembly lines — SMITH BEARING BYR series yoke cam followers for linear motion guides in pick-and-place units.
Food processing equipment — SMITH BEARING HR-2-1/4-XB-SS-FG stainless steel cam followers for washdown conveyor systems.
Material handling — SMITH BEARING BCR-7/8-X non-metallic cam followers for low-noise roller tracks in sortation systems.
Industrial printing presses — SMITH BEARING MCRV-90-SB track rollers for web guiding and tension control mechanisms.

SMITH 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.

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Compatible alternatives & equivalents

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