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SMITH BEARING Inner Ring: 1 3/8 in Bore, 1.624 in OD, 1.26 in Overall Wd, Alloy Steel - Needle Roller Bearing Inner Rings
SMITH BEARINGNeedle Roller Bearing Inner Rings

SMITH BEARING Inner Ring: 1 3/8 in Bore, 1.624 in OD, 1.26 in Overall Wd, Alloy Steel

The SMITH BEARING Inner Ring (SKU 49ER04) is an inch-system needle roller bearing inner ring with a 1 3/8 in bore, 1.624 in OD, and 1.26 in overall width, made of alloy steel. This IRR-1-3/8 component is designed for…

SKU 3G-OTH-105821

Brand
SMITH BEARING
Item
Inner Ring: 1 3/8 in Bore, 1.624 in OD, 1.26 in Overall Wd, Alloy Steel
Category
Needle Roller Bearing Inner Rings
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Technical Specifications

SMITH BEARING
Manufacturer Part Number
IRR-1-3/8
Type
Alloy Steel, IRR-1-3/8
OD
1.624 in
Overall Wd
1.26 in
System of Measurement
Inch
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Technical Documents

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

Product Description

The SMITH BEARING Inner Ring (SKU 49ER04) is an inch-system needle roller bearing inner ring with a 1 3/8 in bore, 1.624 in OD, and 1.26 in overall width, made of alloy steel. This IRR-1-3/8 component is designed for use with compatible needle roller bearings.

Frequently Asked Questions

What is a SMITH BEARING Inner Ring IRR-1-3/8 used for?

The SMITH BEARING Inner Ring IRR-1-3/8 is a needle roller bearing inner ring used in rotating machinery to provide a precision raceway for needle rollers. It is commonly applied in gearboxes, pumps, and industrial transmissions where compact radial load support is required.

What are the specifications of the SMITH BEARING Inner Ring IRR-1-3/8?

The SMITH BEARING Inner Ring IRR-1-3/8 has a 1 3/8 in bore, 1.624 in OD, and 1.26 in overall width. It is made of alloy steel and uses an inch system of measurement. The manufacturer part number is IRR-1-3/8.

Where to buy SMITH BEARING Inner Ring IRR-1-3/8 worldwide?

3G Electric supplies the SMITH BEARING Inner Ring IRR-1-3/8 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this component to your facility. Contact us for availability and lead time.

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 and the OD to the needle roller bearing's inner raceway. Verify the system of measurement (inch vs. metric) and confirm the overall width fits your housing. Always consult the bearing manufacturer's compatibility data.

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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