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KOYO Inner Ring: 3/4 in Bore, 1 in OD, 1 in Overall Wd, Alloy Steel - Needle Roller Bearing Inner Rings
KOYONeedle Roller Bearing Inner Rings

KOYO Inner Ring: 3/4 in Bore, 1 in OD, 1 in Overall Wd, Alloy Steel

The KOYO IR-121616 is an inch-system needle roller bearing inner ring made of alloy steel. It has a 3/4 in bore, a 1 in OD, and a 1 in overall width. This component is designed for use with compatible needle roller…

SKU 3G-OTH-101816

Brand
KOYO
Item
Inner Ring: 3/4 in Bore, 1 in OD, 1 in Overall Wd, Alloy Steel
Category
Needle Roller Bearing Inner Rings
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Technical Specifications

KOYO
Manufacturer Part Number
IR-121616
System of Measurement
Inch
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KOYO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The KOYO IR-121616 is an inch-system needle roller bearing inner ring made of alloy steel. It has a 3/4 in bore, a 1 in OD, and a 1 in overall width. This component is designed for use with compatible needle roller bearings.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the KOYO IR-121616 inner ring used for?

The KOYO IR-121616 is a needle roller bearing inner ring used in industrial machinery and automotive applications. It provides a precision raceway for needle rollers, supporting radial loads in compact assemblies such as gearboxes, pumps, and conveyors.

What are the specifications of the KOYO IR-121616?

The KOYO IR-121616 is an inch-system needle roller bearing inner ring made of alloy steel. It has a 3/4 in bore, a 1 in OD, and a 1 in overall width. The manufacturer part number is IR-121616.

Where to buy the KOYO IR-121616 worldwide?

3G Electric supplies the KOYO IR-121616 needle roller bearing inner ring worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct KOYO inner ring for a needle roller bearing?

To select the correct KOYO inner ring, match the bore, OD, and width to your bearing assembly. The IR-121616 has a 3/4 in bore, 1 in OD, and 1 in width. Verify shaft and housing dimensions, and ensure compatibility with the needle roller complement.

Used in

Common applications for KOYO
Automotive transmissions — KOYO drawn-cup needle roller bearings (B-44) for gear support in compact gearbox assemblies.
Conveyor systems — KOYO heavy-duty needle roller bearings (HJ-202820) for radial load handling in roller conveyors.
Printing machinery — KOYO needle roller thrust bearings (NTA-3648) for axial positioning of rotating cylinders.
Industrial pumps — KOYO thrust bearing washers (TRD-3648) for axial load distribution in pump shafts.
Indexing tables — KOYO single-direction clutch and bearing assemblies (FCB-20) for precise indexing and overrunning control.
Material handling equipment — KOYO drawn-cup needle roller bearings (BH-2020) for compact wheel or roller supports.

KOYO Products

3G Electric supplies KOYO 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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