EXW Singapore — collect or forward from our Singapore office.

3G Electric
KOYO IR-121616 Needle Roller Bearing Inner Ring - Needle Roller Bearing Inner Rings
KOYONeedle Roller Bearing Inner Rings

KOYO IR-121616 Needle Roller Bearing Inner Ring

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

Also listed as: IR121616 · IR 121616

Brand
KOYO
Item
IR-121616 Needle Roller Bearing Inner Ring
Part Number
IR-121616
Category
Needle Roller Bearing Inner Rings
Available to Order
Also known as:IR-121616KOYO
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

KOYO
Manufacturer Part Number
IR-121616
System of Measurement
Inch

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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.

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
Conveyor systems — KOYO FCB-12 or FC-16 clutch and bearing assemblies for overrunning and indexing in material handling equipment.
Packaging machinery — KOYO FCB-25 or FCB-30 three-row assemblies for intermittent motion and backstopping in filling and sealing stations.
Industrial power transmission — KOYO FC-30 single-row clutch and bearing assembly for one-way rotation in gearboxes and drive trains.
Automotive manufacturing equipment — KOYO FCL-10-K compact clutch and bearing assembly for space-constrained indexing mechanisms.
Textile machinery — KOYO FC-10 or FCB-16 assemblies for controlled overrunning in yarn feed and winding systems.
Printing and paper converting — KOYO FCB-30 clutch and bearing assemblies for precise indexing and registration control.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from KOYO

View all KOYO parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first